[cctalk] Re: Mylar/Sponge Keyboard Repair Kits

[geneb via cctalk]

On Fri, 17 May 2024, Marvin Johnston via cctalk wrote:

I've got a couple of keyboards where the sponge has disintegrated to the 
point they no longer work. The latest one is a Vector 3 keyboard and I would 
love to get it fixed.


Can repair kits still be purchased and/or are the instructions for making 
those sponge/mylar pieces available?




I think you can still get them from texelec.com.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
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Some people collect things for a hobby.  Geeks collect hobbies.

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[cctalk] Re: DOS p-System Pascal: (Was: Saga of CP/M)

[geneb via cctalk]

On Thu, 9 May 2024, Mike Loewen via cctalk wrote:


On Thu, 9 May 2024, Bill Degnan via cctalk wrote:


Without doing the research before asking, there was the UCSD p-System
Pascal for IBM PC which came out very early in the history of the IBM PC.
It was not very popular.  The SAGE II that had native Pascal (68000) was
not a popular machine.  Waterloo Pascal on the SuperPetPascal never
really made it on the microcomputer platform did it?


  I can't quote numbers, but Borland's Turbo Pascal was quite popular on 
both CP/M machines and IBM PC and clones.


It was a juggernaut until a pack of drooling morons wielding MBAs got 
their claws into Borland.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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[cctalk] Re: MS-DOS source code

[geneb via cctalk]

On Thu, 2 May 2024, Will Cooke via cctalk wrote:


Some may find this interesting.  Microsoft has released the source for MS-DOS 
versions 1.25, 2, and 4.

https://github.com/microsoft/MS-DOS



I think the most interesting thing about this is that they published it 
under an actual open source license (MIT) and not that nonsense that was 
used when they released 1.25 and 2.0 through the CHM years ago.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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[cctalk] Re: Borland Turbo C++ and Turbo Basic - Books and Manuals

[geneb via cctalk]

On Sat, 6 Apr 2024, Mike Norris via cctalk wrote:


Hello,

Before I consign the following books to be recycled I thought I would ask if 
they are any use to anyone.
I do not want anything for them except postage, but they are heavy so might be 
expensive to post from the UK.
(These are the manuals only no software)

Manuals
Borland C++ V4 for Windows - Programmers Guide, User Guide, Library Ref, 
Debugger, DOS Ref, Library Ref
Borland C++V2 Object Windows - Reference Guide, Programmers Guide
Turbo C++ V3 Object Windows - User Guide, Reference Guide
Turbo C++ V3 User Guide
Turbo C++ - Library Ref, Getting Started, Programmers Guide, User Guide
Resource Workshop
Turbo Assembler V2 (5 books in set)
Turbo Basic

Books
The Waite Group Turbo C Bible
Developing C++ Software



If you were only in the US. :( I'd buy you *two* beers. ;)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: RIP: Software design pioneer and Pascal creator Niklaus Wirth

[geneb via cctalk]

On Thu, 4 Jan 2024, Paul Koning via cctalk wrote:





On Jan 4, 2024, at 4:32 PM, Liam Proven via cctalk  
wrote:

Evangelist of lean software and devisor of 9 programming languages and
an OS was 89

https://www.theregister.com/2024/01/04/niklaus_wirth_obituary/

The great man has left us.


Great man, indeed.  I still have a soft spot for Pascal; it's one of only two 
languages where I was able to go from zero knowledge to having a fully 
functional significant program in one week.  (The other is Python.)

Pascal is still around; the GCC compiler suite has it, and Modula-2 as well.



Paul, take a look at Lazarus some time.  It's pretty awesome.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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[cctalk] 86-DOS disks...

[geneb via cctalk]

For those interested, I've imaged a couple of super rare (actually rare, 
not "ebay" rare) original 86-DOS disks.


https://archive.org/details/86-dos-version-0.1-c-serial-11-original-disk
https://archive.org/details/86-dos-version-0.34-c-serial-221-original-disk

Both will boot under simh.

g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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[cctalk] Re: Silly question about S-100 and video monitors

[geneb via cctalk]

On Wed, 30 Aug 2023, Fred Cisin via cctalk wrote:


Hence the short text lines on "home" computers.


The TRS80 used an RCA TV, converted into a monitor.  (presumably bulk 
purchased before the tuner was installed).


OB_irrelevant: In the TV sitcom "Married With Children" in many seasons, on 
the Bundy kitchen counter was a [off white, instead of gray] TV of that 
model.



When I bought my TRS80 ($400, instead of $600, by buying without the 
"monitor" and cassette player), I used a CCTV composite monitor.  I added an 
RCA jack, to use instead of the 5-pin DIN.  I upgraded the RAM and ROM, added 
another key (Michael Shrayer's "Electric Pencil" needed a Control key), added 
Joe Garner's add-in board for reverse video and lower case, switched to a 
tri-state LED, and put Riv-Nuts in the base, so that the CPU and Expansion 
Interface were bolted to a thin piece of plywood.  When the exterior paint 
was getting worn, I repainted it blue.  Dave Sparks, the RS repair 
technician, was happy to ignore any mods that he understood, so he didn't 
void the warranty.  When his boss objected, he said that since I had brought 
it in with an intact warranty label and paint on the screws, he assumed that 
I had done all of the mods through the vent slots, without opening it ("boat 
in a bottle" :-)




Fun fact - the "Warranty Void if Removed" tags were and are illegal.  The 
warranty can only be voided if the mfgr can prove the thing you did 
resulted in the problem you're claiming warranty on. :)


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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[cctalk] Re: Polymorphic Systems Poly88

[geneb via cctalk]

On Wed, 9 Aug 2023, Marvin Johnston via cctalk wrote:

I am more concerned with getting the documentation scanned and archived and 
will most likely end up buying a high speed double sided scanner. So this is 
just a heads up that a lot (most?) of the original Polymorphic documentation 
does still exist. Years ago, some highly uninformed individual said this 
could not be original since there were no graphics in the Circa early 1970 
docs. He was wrong about this not being original documentation!!! I also 
tried to keep any marked diskettes with the docs.  Those disks were primarily 
system disks. And those disks NEED to be backed up before they degrade to the 
point they would be difficult to read.


Marv, I'd love to help out if I can.  I'm set up to do bound book scanning 
(non-destructive), and duplex sheet fed scanning at both normal and 11x17 
page sizes.  I've also got an AppleSauce-based disk imaging setup that can 
do 3.5, 5.25, and 8" disks.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: SCO on Virtualbox

[geneb via cctalk]

On Fri, 4 Aug 2023, Doug Jackson via cctalk wrote:


Years ago I had the 5.25" installation floppies and the important yellow
slips of paper with the authorisation keys to install the operating system
and various extensions

Sadly I tossed them when I moved to FreeBSD.

Nowadays - I wonder how useful the installers would be without the licence
/ activation keys?



Keys can be...generated these days. :)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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[cctalk] Re: 1-click exploits was Re: BEWARE: Phishing

[geneb via cctalk]

On Sun, 9 Jul 2023, Todd Pisek via cctalk wrote:


Be aware that clicking on a malicious url can result on malware or spyware 
being installed on your machine without any further action on your part. All 
browsers have vulnerabilities. The most famous of these was the older version 
of Pegasus by NSO back in the 2014-2016 timeframe. These so called 1-click 
exploits are well known to bad actors. It?s a continuous cat and mouse game 
between exploit writers and infosec. For the interested, look at this report 
regarding Apple and the ?Trident? series of exploits from 2016.

https://info.lookout.com/rs/051-ESQ-475/images/pegasus-exploits-technical-details.pdf



Excellent advice.  I'd also point out that malware can be served up by ad 
networks, so it's also in your best interests to install the Privacy 
Badger and U-Block Origin plugins to whatever browser you use.


If you're /really/ paranoid, read email with Alpine.  You'll never get 
phished when it's painfully obvious where a link *really* goes. ;)


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: ***SPAM*** Re: ***SPAM*** Re: Getting floppy images to/from real floppy disks.

[geneb via cctalk]

On Thu, 25 May 2023, Chuck Guzis via cctalk wrote:


On 5/25/23 10:06, Guy Sotomayor via cctalk wrote:





The way SPARK works is that you have code and then can also provide
proofs for the code.  Proofs are you might expect are *hard* to write
and in many cases are *huge* relative to the actual code (at least if
you want a platinum level proof).


...and we still get gems like the Boeing 737MAX...

That wasn't a software problem, that was a criminally cheap management 
problem - they deleted the comparator for the AoA indexer to save money.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: Getting floppy images to/from real floppy disks.

[geneb via cctalk]

On Tue, 23 May 2023, Chuck Guzis via cctalk wrote:



On 5/23/23 14:10, geneb wrote:


Yep - Teensy 3.5 boards are basically unobtainium at this point - the
designer is working towards an update that will use the Teensy 4.x


The 4.x doesn't have 5V tolerant GPIO, which means that he'll need
level-shifters.


The chances of him not being aware of that are nonexistent. ;)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: Getting floppy images to/from real floppy disks.

[geneb via cctalk]

On Tue, 23 May 2023, Chuck Guzis via cctalk wrote:


On 5/23/23 09:57, geneb via cctalk wrote:



The AppleSauce can both image and write hard-sectored images.
These Northstar images were created with it:
http://annex.retroarchive.org/disks/northstar/

It's the best imaging tool out there.


On their website, the product is sold out.  I requires a Mac running
OSX.  And the guts, as you might imagine are pretty normal for this sort
of thing--a Teensy 3.5 ARM board running at 120MHz.

Yep - Teensy 3.5 boards are basically unobtainium at this point - the 
designer is working towards an update that will use the Teensy 4.x



The rest is software.


You're correct.  There's none better out there either.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: Getting floppy images to/from real floppy disks.

[geneb via cctalk]

On Tue, 23 May 2023, Tony Duell via cctalk wrote:


On Mon, May 22, 2023 at 5:25 PM j...@cimmeri.com  wrote:


On 5/22/2023 5:38 AM, Tony Duell via cctalk wrote:

I hereby formally retract my erroneous suggestion of a "386 98,SP2 desktop
with floppies and USB", and replace my suggestion with:
"a PC with USB and floppies", and let Tony decide what vintage to use.

Fully concur. If it were me, I'd probably suggest some box with from
the end of the era which came with an onboard floppy controller, and
dual-boot 98SE and some old Linux that can handle such a thing, like
Slackware or Debian. That would cover the most bases.

I am sorry, but I think this is a stupid suggestion for many reasons.



It is, however, a viable suggestion, and that is better than none :)


[1] Actually, do any such devices handle hard-sector disks? There
seems to be no technical reason why not, but I've never seen it listed
as a capability. But as just about all my machines use soft-sectored
disks this is not really an issue.



The AppleSauce can both image and write hard-sectored images.
These Northstar images were created with it: 
http://annex.retroarchive.org/disks/northstar/


It's the best imaging tool out there.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: ST-251 Data Recovery for Glenside Color Computer Club (GCCC)

[geneb via cctalk]

On Tue, 16 May 2023, Kenneth Gober via cctalk wrote:


On Mon, May 15, 2023 at 11:21 PM Jim Brain via cctalk 
wrote:


At the most recent CoCoFEST!, I brought home the old Glenside Club
Computer Hard Drive.  The mechanism is an ST-251, and I was wondering if
someone on-list would be willing to attempt to pull data off the drive.



In my experience, reading the data from this type of drive is dramatically
simplified if
you have the original controller it was attached to.  If you can get your
hands on it, this
job will be many many times easier, and doable without special equipment.


There's a gadget out there for imaging MFM drives - it uses a BeagleBone 
as the core of it - I've got one, but I don't know how to use it well 
enough for your task, but I'm sure someone else on this list has one.

(this thing: https://www.pdp8online.com/mfm/mfm.shtml)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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[cctalk] Re: Using Teledisk 2.16 to read old RX50 images

[geneb via cctalk]

On Sat, 13 May 2023, Chris Zach via cctalk wrote:


Hi!

Well, after a good bit of work I have finally gotten my Compaq XE4000 up and 
running with Windows 98, the BIOS all set, a new battery, and of course a 
1.2mb 5.25 floppy that seems to be working.


I'd now like to start sucking the rare images I have here on RX50 into a TD0 
format which can be converted to a .IMG format which can then be used on the 
mighty GoTek's to allow people to run such operating systems as:




Chris, you might want to find someone local to you with an AppleSauce - 
it's going to do a much better job on those RX50's and will output 
(simultaneously even!) IMG & IMD images.


It can also create amazing flux-level images (which also include literal 
images of the cookie contents) that can then be output to IMG, IMD, etc.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: The World Wide Web

[geneb via cctalk]

On Thu, 4 May 2023, Mike Katz via cctalk wrote:


True but I don't miss 53K bps analog POTS modem speeds.

My Internet varies between 700Mbps and 950Mbps.  I don't miss analog modem 
days in the least.  There is no nostalgia there.



Best of both worlds:

https://tempestfpga.com/retromodem/

:)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: The World Wide Web

[geneb via cctalk]

On Thu, 4 May 2023, Patrick Finnegan via cctalk wrote:


It seems like all of the good USENET providers are subscription
services now. I'm not sure of any ISP that I've heard of who still
runs one.

You can get free access via http://www.eternal-september.org/, however 
they don't carry any binary groups. (no loss really)


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: The World Wide Web

[geneb via cctalk]

On Thu, 4 May 2023, Warner Losh wrote:


On Thu, May 4, 2023, 6:59 AM geneb via cctalk  wrote:


On Wed, 3 May 2023, Mike Katz via cctalk wrote:


Don't forget fidonet (a network of bulletin board systems).


FidoNet is still a thing too.  I'm the NC of Net 138. (which sadly, is now
just myself and a couple of other nodes.)



Sadly, the node lists are super out of date...


Are you getting a current one?  The ones I get are up to date.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: The World Wide Web

[geneb via cctalk]

On Thu, 4 May 2023, Mike Katz wrote:

I closed down my BBS nearly 30 years ago.  I ran Bit Wiz Opus (115/689) for a 
long time.   I've forgotten what it was called in FidoNet but my system was 
the gateway for net 115 to the back bone for several years.  At a telephone 
cost of over $100/month.  I shut it down sometime in the early 90's.  It ran 
on a 10MHz 286.


It's nice to hear that Fidonet still exists though with direct email, blogs, 
forums, etc.  I'm quite surprised.


But then, I play with 50 year old PDP-8 computers so who am I wonder why 
people keep old technology running?.


While there are still some nodes running on POTS, it's mostly over IP 
these days.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: The World Wide Web

[geneb via cctalk]

On Wed, 3 May 2023, Mike Katz via cctalk wrote:


Don't forget fidonet (a network of bulletin board systems).

FidoNet is still a thing too.  I'm the NC of Net 138. (which sadly, is now 
just myself and a couple of other nodes.)


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: 3D Printing

[geneb via cctalk]

On Mon, 1 May 2023, Bill Gunshannon via cctalk wrote:



Are there any 3D printing experts hanging around here?? I need help.


I want to print things like a bracket to mount my FreHD in a disk bay.

Some other things, too.? The problem is the STL file wants to print these 
items


vertically instead? of laying flat on the table.? Needless to say by the time 
it gets


to the part where it wants to print the faceplate the object is unstable or, 
in some


cases, completely tipped over.


Is there any way to change the orientation of an object on the table using 
just the


STL file?




Bill, you should be able to change the orientation of the part inside the 
slicer.  This is a feature of every slicer I've seen in the last 10 years.


g.



--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: One of Paul Allen's Museums

[geneb via cctalk]

On Tue, 25 Apr 2023, Tom Hunter via cctalk wrote:


Hopefully the LCM will be sold as a going concern rather than just a
firesale of the assets.
AFAIK, it's a 503(c), and I suspect if they started to "fire sale" assets, 
lawsuits from folks that made significant donations would be inbound.


I say we sell his sister for science experiments and use the proceeds to 
re-open the museum.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: Nuking an MFM drive with a magnet, format/servo gone?

[geneb via cctalk]

On Fri, 24 Mar 2023, Tom Gardner via cctalk wrote:


Well the data are still there and could be retrieved with a sophisticated servo 
on data system and/or a probe head on the data surfaces.
Simpler to hit the spindle motor top dead center with a very large hammer 
ruining the bearings and crashing a few heads in the process.
Even then the data are still there so nothing beats a multi-pass full disk wipe



* Mr. Drill Press enter the chat *

:)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: on the origin of home computers

[geneb via cctalk]

On Fri, 10 Mar 2023, Steve Lewis via cctalk wrote:


A revised TAKE #10 version of the video is here to clean up some aspects
(some notes in the Description; still DRAFT and unlisted)

https://www.youtube.com/watch?v=_eaolOAcvmg



The speech synthesis basically wrecks it for me, sorry.

g.
--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: Store with "vintage" computers and parts

[geneb via cctalk]

On Thu, 9 Feb 2023, Fred Cisin via cctalk wrote:


There are some older folks on the list, so this is a good time to talk
about internet safety.


. . . and maybe a [youtube?] tutorial on sucking eggs?


My favorite is, "Don't try to teach your Grandmother how to steal sheep." 
:)


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: Computer Museum uses GreaseWeazle to help exonerate Maryland Man

[geneb via cctalk]

On Fri, 27 Jan 2023, Will Cooke via cctalk wrote:


On 01/27/2023 8:41 AM CST geneb via cctalk  wrote:




... my freshman year of HS. I was the only guy
in a room full of girls ...

g.



And the downside of this was...?



They never shut up.  EVER.  It was like trying to read in the middle of a 
car accident.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: Computer Museum uses GreaseWeazle to help exonerate Maryland Man

[geneb via cctalk]

On Thu, 26 Jan 2023, Chuck Guzis via cctalk wrote:


On 1/26/23 16:10, Fred Cisin via cctalk wrote:

On Thu, 26 Jan 2023, Chuck Guzis via cctalk wrote:



In college, for a while, I did some temp work keypunching.  I was not a
fast typist, but I managed to outperform many of the other keypunchers
simply becaause the first thing that I did was to look at the card
format, and punch a drum card.  For some reason many keypunchers think
that drum cards are too technical for them to do!


One of the things from high school that has proved to be of immense
value was the summer I took a typing class.   Legendless keys Underwood
standard office typewriter.

THIS!  I took a typing class my freshman year of HS.  I was the only guy 
in a room full of girls and IBM Selectrics. :D


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: USB Attached 5.25" drives?

[geneb via cctalk]

On Sun, 22 Jan 2023, Peter Corlett via cctalk wrote:


On Fri, Jan 20, 2023 at 07:55:50PM -0800, geneb via cctalk wrote:
[...]

I'm surprised nobody has mentioned the AppleSauce yet. Yes, it requires a
Mac. Yes, they're currently out of stock, but Yes, it's absolutely the
best solution out there for disk imaging. https://applesaucefdc.com/


It's certainly priced as if they think it's the "best solution". But it's
also closed-source, driven by a weird GUI tool, and unavailable for at least
six months. Charging a whopping $70 for shipping and tossing it into the
regular international mail is just icing. So it's not even close to my idea
of "best" on any of those fronts, but hey, whatever works for you.

I would love to see your equivalent hardware, hand soldered by you, and 
included a software package that's light years ahead of anything currently 
available in open or closed source.  Follow that up by shipping it at a 
loss because who cares how much it costs to ship something from Hawaii to 
the UK, as long as some rando on the internet is satisfied.


Go ahead.  I'll sit here, eaglerly awaiting your results.


My objection to such a thing being closed-source isn't just ideological. If
I am trying to read a disk which has an unrecognised format or is so mangled
that the software throws up its arms, I'm completely out of luck adding
support to it myself.

It's purely ideological.  Otherwise, you would have asked the developer 
what it takes to add new formats to the software.  You could have also 
gone to the Documentation page and discovered that the ability to create 
new formats for both hard & soft sectored media is built in.  Here's the 
link to the Hard Sectored format documentation to get you started: 
https://wiki.applesaucefdc.com/doku.php?id=adv:hardsectorconf


If you have no idea what format the disk is in, you can create an A2R flux 
image of it and send it to John(author) - he loves puzzles like that.



Their response to Linux and Windows users is basically "run our software on
a pirate copy of MacOS in a VM". Yes, users of disk imaging tools are
unlikely to care much about violating copyright, but it's probably best to
not say the quiet part out loud here.


Oh ffs.  No, "their" response is typically, "you can buy a used Mac Mini 
off of eBay for under $200 and use that" and if you can't afford that, 
THEN you can set up a VM.  You can get a suitable Mac Mini via this link 
for $150, free shipping and a 3 year warranty: 
https://www.ebay.com/itm/144642477287 If you don't have an HDMI monitor or 
USB keyboard, I suspect eBay can help there too.


Hopefully the statement at the end of the About page on the AppleSauce 
site will get you to stop the "but closed source!" pearl clutching.


"Applesauce is not an open source project, and there are some wild stories 
about why that is. But there are 3 independent people that have full 
access to the repository containing every scrap of source code and 
hardware projects about Applesauce. These people have been instructed to 
release everything into the public domain in the case of anything 
happening to me, or me getting bored and walking away from the project. It 
is important to me that people understand that even though it isn’t 
currently open source, there will never be a situation in which they will 
get stuck with hardware that is no longer supported or supportable. All of 
the file formats and such have already been fully documented and released 
into the public domain. I have also released documentation for the entire 
communication protocol between the client and hardware so that people can 
write their own software.


No silly licensing rules! No special institutional rules, expenses, or 
overreaching requirements. You are buying a tool from us. What you do with 
it is your business.


The client software is the most powerful disk analysis software available 
and is frequently updated adding new features. And it will always be 
free."


If you're super butthurt over the price of the hardware, there's nothing 
stopping you from writing firmware for the GreaseWeazel using the 
documented communication protocol that the AS hardware uses.  Of course 
you'd still have to touch one of those icky* Macs, but I can't solve all 
your problems for you.


g.

* [I *hate* Macs.  Like with a screaming purple passion.  The last good 
computer Apple built was the IIgs.  It's been shit downhill ever since. 
That being said, the capability presented by the AppleSauce hardware & 
software is a compelling reason to own one.]


g.




--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: USB Attached 5.25" drives?

[geneb via cctalk]

On Sat, 21 Jan 2023, Bill Gunshannon via cctalk wrote:


An interesting note.  I have a device from DBIT that lets you
hook up an 8" disk to the interface for 5.25 or 3.5 floppies.
I wonder how I would go about reversing that process so I could
hook one of these GOTEKs up in place of a physical 8" disk.



I use the DBIT adapter with my AppleSauce and it works pretty well.  You 
can also get one of these:

https://www.tindie.com/products/siliconinsider/8-floppy-disk-interface-50-pin-to-34-pin-adapter/

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: USB Attached 5.25" drives?

[geneb via cctalk]

On Fri, 20 Jan 2023, Fred Cisin via cctalk wrote:


On Fri, 20 Jan 2023, geneb via cctalk wrote:
I'm surprised nobody has mentioned the AppleSauce yet.  Yes, it requires a 
Mac.  Yes, they're currently out of stock, but Yes, it's absolutely the 
best solution out there for disk imaging. https://applesaucefdc.com/


I've used it for both hard & soft-sectored 5.25" disks and 3.5" disks. I've 
also imaged a few 8" disks using it, and I know more than one person has 
used it to image RX02 disks.


It'll image just about anything, including PC98 disks.  GCR, FM, MFM, it'll 
do it all.


The link that Sellam sent
https://hackaday.com/2021/01/27/reconstructing-data-from-a-corrupt-apple-floppy-disk/
was about using Apple Sauce


I think I replied before he posted that, or I didn't see it.

For me the AppleSauce provides so much capability that it was worth the 
cost of buying a Mac Mini in order to use it.  That was before I knew I 
could use the 2011 Macbook Pro I already had, but I still feel it was 
money well spent.


It's a one-man outfit and the devloper is very responive to user bug 
reports and feature requests.  A recent feature is the ability to use a 
web cam to photograph the media as part of the imaging process.


If anyone has questions, the AppleSauce Discord can be found here: 
https://discord.gg/YrQKdwNhdR


Here's a list of the formats that the AS supports /so far/:
https://applesaucefdc.com/what-is-applesauce/

g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: USB Attached 5.25" drives?

[geneb via cctalk]

I'm surprised nobody has mentioned the AppleSauce yet.  Yes, it requires a 
Mac.  Yes, they're currently out of stock, but Yes, it's absolutely the 
best solution out there for disk imaging. https://applesaucefdc.com/


I've used it for both hard & soft-sectored 5.25" disks and 3.5" disks. 
I've also imaged a few 8" disks using it, and I know more than one person 
has used it to image RX02 disks.


It'll image just about anything, including PC98 disks.  GCR, FM, MFM, 
it'll do it all.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: USB Attached 5.25" drives?

[geneb via cctalk]

On Fri, 20 Jan 2023, Zane Healy via cctalk wrote:

I’m now aware of the GreaseWeazle, but what I’ve not seen is if it 
allows standard access to the data on a floppy, or only provides a way 
to image the disk.  With an USB attached 3.5” floppy the disk mounts on 
my Mac, and I can easily pull files off the disk.  Does this work with 
the GreaseWeazle and a 5.25” floppy drive?


The GW is simply the interface between the host and a floppy drive. 
It's up to the software that you're using as to what capability it has.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: Computer Museum uses GreaseWeazle to help exonerate Maryland Man

[geneb via cctalk]

On Fri, 20 Jan 2023, Chris via cctalk wrote:

So ... can the GW be physically installed on a machine that doesn't have 
usb capability. But have the data stream analyzed (on the fly) by a 
different computer via it's usb capability?


The GW isn't something that's "installed".  It's an ARM-based, stand-alone 
device that connects to a floppy drive on one end and a USB-capable 
computer on the other.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: AI applied to vintage interests

[geneb via cctalk]

On Wed, 18 Jan 2023, Fred Cisin via cctalk wrote:

"The Adolescence Of P1" [by Thomas J. Ryan, 1977], ends with the AI (which 
started on a 360 at Waterloo) having become covert, letting humanity think 
that it has been destroyed.




That is an absolutely wonderful book.

Another good read is When HARLIE Was One.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: Disk pack production tools

[geneb via cctalk]

On Mon, 16 Jan 2023, Bill Degnan via cctalk wrote:


I bought RK05 packs from Althea (sp?).  I know they make diskettes too.
Trying to locate their web site so I must be spelling it wrong :-)


I think you're referring to Athana.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
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[cctalk] Re: best C compiler(s) for varied vintage programming

[geneb via cctalk]

On Tue, 27 Dec 2022, Chris via cctalk wrote:

Apparently Northstar's dos is yet another amended version of ms-dos. I 
suppose it was supplied for basic tasks, as it couldn't possibly provide 
all the features supplied by Netware. So whereas this may not be as 
difficult as I thought, there are still significant hurdles. The floppy 
drive's transfer rate is 250kbits/s. That probably isn't significant.


Based on what I've read, the Dimension is "fully" PC compatible, which 
leads me to believe that there's not going to be any compatibility issues 
regarding screen i/o..


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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[cctalk] Re: Microinterfaces Corp Run/CPM/Z80 Software?

[geneb via cctalk]

On Thu, 15 Dec 2022, Eric Christopherson via cctalk wrote:


On Thu, Dec 15, 2022 at 7:36 PM Christopher Satterfield via cctalk <
cctalk@classiccmp.org> wrote:


Was wondering if anyone had one of these and/or maybe had the software
floppy kicking around? It's an ISA card with a Z80 + RAM to shove into an
ISA slot for CP/M compatibility. Of course, information's sparse online and
forget software.

Here's a picture of said card, https://i.imgur.com/eJh2on5.jpg .

-Chris



I have one and have imaged the disk that came with it, which is version 7.4
for Z80. I seem to remember reading there was an 8080 version around
somewhere to; I've been wanting to find that one. I haven't tried out the
card yet.

Chris, I'm sending you an offlist email with a link to it. If anyone else
wants it, please let me know.


Eric (or Chris), can you please upload the disk image along with photos & 
info about the board to the Internet Archive and to bitsavers?


tnx.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: 100% Tape Seal (soft kind) failure

[geneb via cctalk]

On Mon, 14 Nov 2022, Fred Cisin via cctalk wrote:


On Mon, 14 Nov 2022, geneb via cctalk wrote:
Yep.  At least nowdays you can publically embarass companies that pull crap 
like that - assuming they care of course. :)


I don't know the details; didn't Apple push through an "update" that would 
"brick" phones with third party replacement screens?

Did somebody kick their ass?

I think that was related to the fingerprint sensor.  I didn't pay close 
attention as I avoid that ecosystem whenever possible. ;)


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: 100% Tape Seal (soft kind) failure

[geneb via cctalk]

On Mon, 14 Nov 2022, Fred Cisin via cctalk wrote:

In the EARLY years of the TRS80, Tandy actually believed that they could void 
the warranty if you opened the case.  Eventually, their lawyers explained to 
them about Magnuson-Moss.  Sometimes, it is GREAT to have your adversary 
lawyer-up, since they will listen to their lawyer, even if they won't believe 
you.


YES, you would be legally correct, but trying to get that through to the 
droids in the store could be difficult.  And, the state attorney general 
didn't always consider such to be a high priority.

So, it was easier just to reseal the case.

Yep.  At least nowdays you can publically embarass companies that pull 
crap like that - assuming they care of course. :)


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: 100% Tape Seal (soft kind) failure

[geneb via cctalk]

On Mon, 14 Nov 2022, Fred Cisin via cctalk wrote:

1) A piece of tamper-proof tape, labeled "breaking this seal voids 
warranty". If you do major modifications to something, such as a TRS80 
model 1, always put a fresh tamper-evident seal on it afterwards, to 
re-enable the warranty.


On Mon, 14 Nov 2022, geneb wrote:
It's a lot less effort to tell them the sticker was illegal to begin with. 
;)


. . . and have him have to escalate it to somebody authorized to make 
exceptions, or argue with tandy lawyers?


Nope.  You point out that the state attorney(sp) general would love to 
watch Tandy flail against the Magnusson-Moss Warranty Act. ;)


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: 100% Tape Seal (soft kind) failure

[geneb via cctalk]

On Mon, 14 Nov 2022, Fred Cisin via cctalk wrote:

1) A piece of tamper-proof tape, labeled "breaking this seal voids warranty". 
If you do major modifications to something, such as a TRS80 model 1, always 
put a fresh tamper-evident seal on it afterwards, to re-enable the warranty.


It's a lot less effort to tell them the sticker was illegal to begin with. 
;)


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: PDP 8a front panel hardware

[geneb via cctalk]

On Tue, 11 Oct 2022, Vincent Slyngstad via cctalk wrote:


On 10/11/2022 10:49 AM, geneb via cctalk wrote:

On Tue, 11 Oct 2022, Vincent Slyngstad via cctalk wrote:
The DEC part is essentially bent bar stock, with a nut press-fit into it. 
Also easy to to do if you have the tooling. I know a lot more folks with a 
3D printer than I do the folks with metalwork experience.



Got a photo of the part Vince?


Bob Armstrong sent some pictures from Jack, which helped my find the photos I 
knew were online somewhere:

https://forum.vcfed.org/index.php?threads/adding-a-programmers-console-to-a-pdp-8-a.75942/#post-921828



I get it now - the screw is perpendicular to the angled face, which means 
a heat set insert would work out very well for a printed version of that 
bracket.  The original appears to be die cut and die formed.  The nut used 
also allows for some play in how the screw hole is going to line up...


Thanks for the link!

g.



--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: PDP 8a front panel hardware

[geneb via cctalk]

On Tue, 11 Oct 2022, Vincent Slyngstad via cctalk wrote:


On 10/11/2022 12:37 PM, geneb via cctalk wrote:
Anyway, the original is bent bar stock, with notching near the apex, and a 
nut press-fit/spot welded where I've drawn an indent.  I've drawn it as a 
triangular plastic block in an effort to make it more structural.


I wonder if a heat-set insert would allow you to replicate the original 
design...


You mean in the metal, or the plastic?

In the plastic, an insert would be more durable, but then again it would be 
another part you'd have to stock, rather than print.


I was referring to the plastic.  A PEM fastener would do the same job in 
metal.  #6-32 heat set inserts are very cheap, even on Amazon. (less than 
$20 for 100 of them)


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

[cctalk] Re: PDP 8a front panel hardware

[geneb via cctalk]

On Tue, 11 Oct 2022, Vincent Slyngstad via cctalk wrote:


On 10/11/2022 10:48 AM, geneb via cctalk wrote:
If someone wants to provide me with a drawing, I'd be happy to design a 3D 
model of the part and print a few of them for testing.


Here's a pointer to mine:
https://so-much-stuff.com/pdp8/cad/3d.php
https://svn.so-much-stuff.com/svn/trunk/3D/8AClip/8aClip.jpg

The two holes in the base take screws to mount to the rack.  Depending on 
left vs right, you would drill and tap the indentations on one side or the 
other.


Anyway, the original is bent bar stock, with notching near the apex, and a 
nut press-fit/spot welded where I've drawn an indent.  I've drawn it as a 
triangular plastic block in an effort to make it more structural.


I wonder if a heat-set insert would allow you to replicate the original 
design...


g.

--
Proud owner of F-15C 80-0007
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[cctalk] Re: PDP 8a front panel hardware

[geneb via cctalk]

On Tue, 11 Oct 2022, Vincent Slyngstad via cctalk wrote:


On 10/11/2022 10:08 AM, Tony Duell wrote:

On Tue, Oct 11, 2022 at 6:04 PM Vincent Slyngstad via cctalk
 wrote:


Those are the ones.  The 3D printed parts are essentially triangular
blocks that mount to the rack and have a drilled and tapped hole for the
recessed Allen screw.


Why on earth would you 3D print something like that? Machining it from
a metal block would be a lot stronger.


The DEC part is essentially bent bar stock, with a nut press-fit into it. 
Also easy to to do if you have the tooling. I know a lot more folks with a 3D 
printer than I do the folks with metalwork experience.



Got a photo of the part Vince?

tnx.

g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

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[cctalk] Re: PDP 8a front panel hardware

[geneb via cctalk]

On Tue, 11 Oct 2022, Tony Duell via cctalk wrote:


On Tue, Oct 11, 2022 at 6:12 PM Sellam Abraham via cctalk
 wrote:


Not everyone has a fully tooled machine shop, perhaps?


And not everyone has a 3D printer.

Moreover, a small lathe/mill capable of making that sorr of part is
probably cheaper than a 3D printer and will last a lot longer.



A good and usable 3D printer is going to be a lot cheaper than even the 
worst imported table-top metal working lathe.  The mills you can buy for a 
simliar price won't cut non-ferrous metals for crap, and won't cut ferrous 
metals at all.


I would posit that more people have 3D printers at home than machine 
tools. :)


If someone wants to provide me with a drawing, I'd be happy to design a 3D 
model of the part and print a few of them for testing.


g.


--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

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[cctalk] Re: 8" floppy diskette storage cases

[geneb via cctalk]

On Mon, 10 Oct 2022, D. Resor via cctalk wrote:


Does anyone have, or know of a reasonably priced supplier of good clean
used, or new 8" floppy diskette boxes?  The kind made of plastic like these?

https://www.ebay.com/itm/134258177087

I have one 8" box with Xerox software in which the plastic literally
crumbling.

The price this seller wants for the case itself is reasonable but I find the
price of shipping outrageous.

Total shipping price for three boxes is shown to be $21.35.

I may be crazy, but this seems nuts for something so light.



Don, it's not the weight, it's the size.  They use a thing called 
"dimensional weight" for large, light packages.  (and I agree, it's 
stupidly expensive)


g.

--
Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one of 
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Some people collect things for a hobby.  Geeks collect hobbies.


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[cctalk] Re: 8" disk question!

[geneb via cctalk]

On Wed, 21 Sep 2022, Eric Smith via cctalk wrote:


On Fri, Sep 2, 2022, 07:51 geneb via cctalk  wrote:


The question I have is how did a contemporary system deal with the
combination of a disk with both index windows and a drive with both index
sensors?



They didn't deal with it at all. It didn't work. No normal 8-inch floppy
disks have both index holes in the jacket. If you convert a disk from SS to
DS, or vice versa, by punching the other index hole in the jacket, you have
to cover the original, unless you're going to use it in a drive that has
only one index sensor (typically an SS drive).


I've got at least three boxes of NOS Dysan disks with both of those index 
holes present, so they certainly were made commercially.


g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

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[cctalk] Re: 8" disk question!

[geneb via cctalk]

On Fri, 2 Sep 2022, Fred Cisin via cctalk wrote:


On Fri, 2 Sep 2022, geneb via cctalk wrote:
All the discussion around 8" disks reminded me about a question I've not 
been able to find an answer to.
I've got a Qumetrak 842 drive that I use for imaging 8" disks with either 
ImageDisk or AppleSauce.  When I first tried it out with AS, the listed RPM 
was > 7K.


well, 720, not 7K

No, it was actually some absurdly huge number.  It has something to do 
with how the AS hardware & software was working out the RPM of the drive.


g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

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[cctalk] 8" disk question!

[geneb via cctalk]

All the discussion around 8" disks reminded me about a question I've not 
been able to find an answer to.


I've got a Qumetrak 842 drive that I use for imaging 8" disks with either 
ImageDisk or AppleSauce.  When I first tried it out with AS, the listed 
RPM was > 7K.  It turns out that the disk I was working with was a NOS 
Dysan that had both the single and double-sided index windows punched in 
the jacket.  The 842 has both of those index sensors, so both were being 
triggered one after the other.  The solution was to cover one of the index 
windows on the disk.


The question I have is how did a contemporary system deal with the 
combination of a disk with both index windows and a drive with both index 
sensors?


tnx!

g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
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Some people collect things for a hobby.  Geeks collect hobbies.

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[cctalk] Re: Flipping an 8" diskette

[geneb via cctalk]

On Thu, 1 Sep 2022, Pete Turnbull via cctalk wrote:


On 01/09/2022 14:31, Kenneth Gober via cctalk wrote:

On 5.25" diskettes punching a notch to enable use of the second side
worked due to 2 factors:

First, the index hole was commonly unused on 5.25" systems so it
didn't matter that the index hole was in the wrong place when the
diskette was flipped over.


It's my experience that the index hole is used, and does matter, on pretty 
much all 5.25" systems except Apple ][s.


Commodore drives didn't use it either.

g.

--
Proud owner of F-15C 80-0007
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[cctalk] Re: "Revival" of a dedicated Micropolis webpage on internet

[geneb via cctalk]

On Wed, 17 Aug 2022, Liam Proven via cctalk wrote:


On Tue, 16 Aug 2022 at 23:51, Fred Cisin via cctalk
 wrote:


1) because they need to keep reinforcing until the very last SA400 is
buried.



Fred, Don't forget the SA390 in every Disk II. ;)


I had to look up SA400. I'm too young.

The Smithsonian has one. They say it's a 3¼ inch drive.

https://www.si.edu/object/microcomputer-peripheral-shugart-sa400-disk-drive:nmah_334325



Now THAT is just tragic.

g.

--
Proud owner of F-15C 80-0007
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Re: How to reproduce the DEC cabinets' grey colour paint?

[geneb via cctalk]

On Wed, 13 Jul 2022, Matt Burke via cctalk wrote:


On 13/07/2022 07:11, P Gebhardt via cctalk wrote:

Hello list,

does anybody of you know colour codes or the mixture to obtain the grey paint 
that DEC used for their early H960 cabinet side panels as well as for their 
later cabinet from the 80s and 90s like the H9A10 or H9A15?


Some of the colours are listed in DEC-STD-092
(http://www.bitsavers.org/pdf/dec/standards/EL-00092-00-0_F_Finish_and_Color_Standard_Dec82.pdf)
though it's not immediately obvious which one is the grey for the
cabinet side panels. Even then I think it's tricky to map to something
you can actually buy. MUN is short for Munsell. Not sure about CHM.

There's a number of resources on the net for looking up Munsell color 
numbers, and that might get you to what the color actually looks like.  A 
dedicated paint store may even be able to mix up paint based on the 
original Munsell color code.


g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

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Re: cleaning up edge connectors

[geneb via cctalk]

On Thu, 28 Apr 2022, Bill Gunshannon via cctalk wrote:



I am hoping to restore my TRS-80 Model-I(s).  As is usually
the case with these the edge connectors are badly corroded
and dirty and cleaning them with an eraser really doesn't
help much.  Back in the day there used to be something you
could get that let you "gold plate" the edge connectors.
Is anything like that still available?  How about reflowing
the pads using something like silver solder?
If neither of these is doable or practical, what are people
doing to clean up these connectors?


Bill, you might want to look into these: (quantities assume you're also 
working with an Expansion Interface)


40 pin - you'll need 3:
https://www.elliottelectronicsupply.com/connectors/card-edge/male-card-edge-connector-40-position-1-inch-2-54mm-solder-eyelet-double-readout.html

34 pin - you'll need 2:
https://www.elliottelectronicsupply.com/connectors/card-edge/male-card-edge-connector-34-position-1-inch-2-54mm-solder-eyelet-double-readout.html

I found them while tracking down a replacement for one on a Model I that 
had been severely damaged.


g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

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Re: RCA COSMAC MS2000 MicroDisk Development System

[geneb via cctalk]

On Thu, 7 Apr 2022, Bill Degnan wrote:


This one is from 1975 just before the Altair 8800
https://www.vintagecomputer.net/rca/COSMAC/EDN_COSMAC_Microkit.jpg


Ah, ok.  Thanks for the pic!


...but I bet yours is more like 1976-77.  What is the CPU type 1802 or
something else?

It's an 1802.  It's got some serial port boards, RAM, a disk controller 
and the CPU board in there.  I've also got the dual 8" drive and terminal 
that go with it.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
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Some people collect things for a hobby.  Geeks collect hobbies.

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Re: RCA COSMAC MS2000 MicroDisk Development System

[geneb via cctalk]

On Thu, 7 Apr 2022, Joshua Rice via cctalk wrote:


Hi all,

I’ve recently come across something i’ve soon realised really quite unusual. An 
RCA MS2000 MicroDisk Development System.


Does it look like this?
https://i.imgur.com/Q96sRhE.jpg

Nice find!


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
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Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: Commodore vic 20 poweroff

[geneb via cctalk]

On Wed, 16 Mar 2022, Fred Cisin via cctech wrote:


On Wed, 16 Mar 2022, geneb via cctech wrote:

Turn it off.


Then disconnect the power cord from the wall.
Clean the machine
Place it in a sealed container with vaccum or inert gas

Optional:  (if you are "done using it")
Post it on eBay as "R@RE"


Partial instructions.  Must include "LQQK!" if "R@RE" or "R@R3" are used.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: Commodore vic 20 poweroff

[geneb via cctalk]

On Wed, 16 Mar 2022, Diedrich, Bryce via cctech wrote:


Just got a Commodore Vic-20. What is the safest way to power it off when I am 
done using it?



Turn it off.

g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: Origin of "partition" in storage devices

[geneb via cctalk]

On Mon, 31 Jan 2022, Fred Cisin via cctalk wrote:


On Mon, 31 Jan 2022, Grant Taylor via cctalk wrote:
I think the same type of problem happened with the really old FAT-12 to 
FAT-16 conversion.

Wasn't FAT-12 limited to something near 31 MB?


32 MebiBytes - 1



*chases Fred out of the house with a broom, screaming incoherently about 
SI units*


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: AOL diskettes

[geneb via cctalk]

On Tue, 18 Jan 2022, Grant Taylor via cctalk wrote:


On 1/18/22 2:21 PM, Peter Coghlan via cctalk wrote:

https://www.thisiswhyimbroke.com/floppy-disk-table/


I like it!

But I hate the price.


The problem is right there in the name of the site. :D

g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: tamayatech let down

[geneb via cctalk]

On Sun, 26 Dec 2021, Chuck Guzis via cctalk wrote:


I got a kick out of the eBay sellers flogging logic analyzers without
the pods, advertising them as "working".  How can you tell?


It's painfully obvious!  The power light came on. ;)

g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: Women of Computing

[geneb via cctalk]

On Sun, 5 Dec 2021, Liam Proven via cctalk wrote:


This is a bad way to behave. Nobody should act like that. It violates
Wheaton's Law, which is a basic principle of how to be a civilised
human being.



For those unfamiliar, Weaton's Law: "Don't be a dick."



"OK, Boomer" is just a succinct and clear way of saying "you are an
unpleasant old man and we do not need to listen to your useless
hurtful opinions."



More importantly, it's shorter to type. ;)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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RE: Women of Computing

[geneb via cctalk]

On Sat, 4 Dec 2021, Chris Long via cctalk wrote:


I accept that far less women than men work in computing.

I believe however that this is large due to their own perception of the 
industry and their career choices.



It's not "perception". It's the rampant sexual harassment, "dudebro" 
culture, etc.  It takes a strong person to work in an industry that 
demonstratedly treats them like second class citizens.


If you've got an issue with Lego promoting women in STEM fields, ya'll 
should probably go sit in the corner until you've come to grips with the 
fact that you've got a dramatic flaw in your perception of reality.


Almost all the women I know would describe working in it as "sad" or 
"geeky" and several of them are married men who do work in IT.




Five bucks says all or most of them were denigrated or humiliated in some 
fashion after showing an early interest in those things.


If I were you, I'd go back to shouting at clouds and chasing kids off your 
lawn.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: 8" disk drive questions...

[geneb via cctalk]

On Mon, 1 Nov 2021, Chuck Guzis via cctalk wrote:


Just as a follow up, I grabbed one of the Memorex "flippies" out of my
files:

https://i.imgur.com/3VnrazS.jpg


That's really neat.  Thanks for the photo!

g.

--
Proud owner of F-15C 80-0007
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Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: 8" disk drive questions...

[geneb via cctalk]

On Sun, 31 Oct 2021, geneb via cctalk wrote:


On Sun, 31 Oct 2021, Chuck Guzis via cctalk wrote:


I use an 842 here quite frequently, and as far as memory serves, it's
side-hole-blind.   That is, a disk with a single-sided aperture only can
still be processed as a double-sided disk.

However, as Fred says, best to check the jumpers.  I believe that Al has
put the OEM guide on bitsavers.



I've taped over the SS hole, but still have issues with the Applesauce - I 
suspect I damaged it with all my messing around.  I'll try hooking it back up 
to a PC and see how it does with the hole covered.


I've got the drive connected to a PC and with the single-sided index hole 
covered, it behaves perfectly.  I'm able to format the disk and copy 
files.


I've got the maintenance guide, so I'll look to see what is there when I get 
a chance, thanks.


I didn't see anything in the manual about how to handle the two index 
sensors, or to deactivate one of them.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
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Re: 8" disk drive questions...

[geneb via cctalk]

On Sun, 31 Oct 2021, Chuck Guzis via cctalk wrote:


I use an 842 here quite frequently, and as far as memory serves, it's
side-hole-blind.   That is, a disk with a single-sided aperture only can
still be processed as a double-sided disk.

However, as Fred says, best to check the jumpers.  I believe that Al has
put the OEM guide on bitsavers.



I've taped over the SS hole, but still have issues with the Applesauce - I 
suspect I damaged it with all my messing around.  I'll try hooking it back 
up to a PC and see how it does with the hole covered.


I've got the maintenance guide, so I'll look to see what is there when I 
get a chance, thanks.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: 8" disk drive questions...

[geneb via cctalk]

On Sun, 31 Oct 2021, Chuck Guzis via cctalk wrote:


On 10/31/21 9:57 AM, geneb via cctalk wrote:


I'm working with the developer of the Applesauce disk imaging tool in
order to iron out some issues with 8" disk support.

I'm using a Qumetrak 842 disk drive that's got support for both double
and single-sided media.  This means that it's equipped with two index
hole sensors, slightly offset from one another.  It's my understanding
that single-sided media has the index hole in one spot on the jacket,
and double-sided media has one in a slightly different location.

The issue at hand is some NIB Dysan double-sided 8" media I have - the
disks have index holes in the jacket in both locations.  Is this
typical, or do I have some weird "special" disks on my hands?  The
Applesauce author posits that the combination of the dual-sensor drive
and the dual-hole media wouldn't typically find themselves together.  Is
this accurate?  If it's not, how would a system contemporary with the
media have handled the two index holes?


Gene, are you certain that these aren't "flippy disks" (two index
apertures)?


Chuck, here's a photo of the disk type I'm using:
https://i.imgur.com/Cq778xT.jpg

As you can see, they're not mirrored for "flippy" use.


But I've seen what you describe.

I recall one occasion where I received the single-double type that you
describe and having to cover the single-sided hole to get to the other
side of the disk.


If I have to mask off one of the index holes I can do that.  I can 
understand why Dysan would produce a disk that could be used in either 
drive, but a drive that could use both single and double-sided media had 
to have been common back then, which leaves me wondering how it was 
handled.


tnx!

g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

8" disk drive questions...

[geneb via cctalk]

I'm working with the developer of the Applesauce disk imaging tool in 
order to iron out some issues with 8" disk support.


I'm using a Qumetrak 842 disk drive that's got support for both double and 
single-sided media.  This means that it's equipped with two index hole 
sensors, slightly offset from one another.  It's my understanding that 
single-sided media has the index hole in one spot on the jacket, and 
double-sided media has one in a slightly different location.


The issue at hand is some NIB Dysan double-sided 8" media I have - the 
disks have index holes in the jacket in both locations.  Is this typical, 
or do I have some weird "special" disks on my hands?  The Applesauce 
author posits that the combination of the dual-sensor drive and the 
dual-hole media wouldn't typically find themselves together.  Is this 
accurate?  If it's not, how would a system contemporary with the media 
have handled the two index holes?


Thanks!

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Vt131 4 sale in St.Louis

[geneb via cctalk]

On Tue, 26 Oct 2021, Andrew Diller via cctalk wrote:


https://www.estatesales.net/marketplace/items/579642 


ADM-3a. Some interesting stuff to be sure. too bad it too far from me.



I like how they position the manual so it hides the screen rot. :)

It's got the little dip switch cover too!  (If anyone has a spare they 
want to part with, please contact me off list.  My 3A is missing it.)


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: An American perspective on the late great Sir Clive Sinclair, from Fast Company

[geneb via cctalk]

On Wed, 29 Sep 2021, John Many Jars via cctalk wrote:


I had a TI 99/4 when I was a kid.  It was my first computer (although I
used my friend's Apple ][ much more).

All I can say is, what a piece of garbage.  It was horrible in every way,
and it overheated if you left it on too long.  SLOWEST BASIC EVER!



The TI 99/4A is what you get when the MBAs on the design team outnumber 
the engineers by ten to one.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: OpenVMS/VAX license expiration

[geneb via cctalk]

On Sun, 26 Sep 2021, geneb via cctalk wrote:


On Sat, 25 Sep 2021, Adam Thornton via cctalk wrote:



I REALLY hate how the list munges email addresses.  That was intended to 
be a private reply.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: OpenVMS/VAX license expiration

[geneb via cctalk]

On Sat, 25 Sep 2021, Adam Thornton via cctalk wrote:


You might want to search the Github repositories of a certain "athornton"
looking for something called "yarr".


I'm not finding anything.  Help! :D


Obviously it would be wrong to use it.  So don't.


Oh absolutely.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: scanning a ton of documentation

[geneb via cctalk]

On Wed, 22 Sep 2021, Christian Corti via cctalk wrote:


On Wed, 22 Sep 2021, Jay Jaeger wrote:

B/W, CCITT Group 4 tiffs at 400dpi is what I do, but then I also


600 DPI should be the absolute mininum today. There is absolutely no reason 
to go below that for B/W.



Agreed.


Bitsavers will post process and create a searchable PDF


Since when?



No idea, but the IA will process the upload into html, plain text, mobi, 
and OCRd PDF.


If I'm scanning bound books, those end up as indiviual tiff images (one 
per page).  At the end of processing those, they get stuffed into a zip 
file with the suffix "cbz" (Comic Book Zip) and once uploaded, the derive 
task at the IA handles all the OCR work as well as creating those other 
formats.  I'm pretty sure it will do the same with uploaded PDF files.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: scanning a ton of documentation

[geneb via cctalk]

On Wed, 22 Sep 2021, devin davison via cctalk wrote:


I have picked up storage containers for all the books, and i can scan it
all. after that, its all probally going in the recycle bin, as i dont know
where or how i would keep such a large pile of paper manuals on hand.

what is the prefered format to upload things to bitsavers in? is pdf
acceptable?

I would scan it all at 600dpi - that's what I do with everything I scan. 
I'd upload it to the IA as well, but that's just me. :)



How can i create a pdf that is not too big on file size? Can the text be
recognized  and be made searchable within the scanned pdf?


Disk space is cheap, go for scan quality.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Archiving otrona attache disks

[geneb via cctalk]

On Tue, 24 Aug 2021, Fred Cisin via cctech wrote:

The 96tpi ones are 800K, and should be treated like any other "Quad Density" 
CP/M disk.





Just for my own curiosity, can a "typical" high-density 5.25" drive 
correctly image a 96tpi disk?


Thanks Fred!

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: 3d modelling software

[geneb via cctalk]

On Mon, 23 Aug 2021, shad via cctech wrote:


Hello Rob,
FreeCAD is nice for modeling 3D shapes.


Not if you've ever used a commercial product that does the same job. ;)

For 3D printing, depending on the technology of 3D printer, you need to 
process original model to convert compact sections into hollow honeycomb 
structure, and add small plastic bars into empty volumes to support the 
model while it's printed. I'm not expert of this latter procedure and 
tools.


Dictating the infill pattern of a STL file is *never* the job of the 
drawing tool, it's the job of the slicer being used to turn the STL file 
into gcode.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: 3d modelling software

[geneb via cctalk]

On Mon, 23 Aug 2021, Alan Perry via cctalk wrote:


I use Fusion360. It is free for hobbyists and students.


...for now.  Pray Autodesk doesn't alter the deal further.  Again.

For a true, completely offline, free parametric design package, take a 
look at Solid Edge 2020 Community Edition.  The only in-built restriction 
is the inability of the commercial edition of Solid Edge from opening 
native format files created by the Community Edition.  It's a perpetual 
license too - you don't even enter a license key.  Download and go.


It only works under Windows however.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Need Spectravideo SVI-328 parts....

[geneb via cctalk]

I've got a very nice SV-328 that's had the sad misfortune of having the 
"K" key rather violently removed. (https://i.imgur.com/IxBIQTj.jpg)


Can someone point me to where I could obtain a replacement key top and 
post?


Thanks!

g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: CDC drive needs a home! (FTGH!)

[geneb via cctalk]

On Thu, 19 Aug 2021, James B DiGriz wrote:


On Thu, 19 Aug 2021 06:23:45 -0700 (PDT)
geneb via cctalk  wrote:


I have a CDC 9427H drive ( https://i.imgur.com/Wn87MRb.jpg ) that is
absolutely desparate for a new home.  It's quite likely over 80lbs,
so shipping would be problematic.  I'm in Graham, WA.

It's free, it's lonely, and it's desparate for your gentle touch.
Please won't you think of the disk drives?

g.




I'm interested. The TI 990 DS10 drive is a re-badged 9427H as far as I
can tell, and I have the controller for that, and half a dozen
of the cartridges, so I can definitely use it. My guess is shipping
would be prohibitive for me, but I'll look into it.


If the shipping isn't well over $200 I would be astonished.  Because of 
the size/weight of it this thing is pretty much in the "come get it" 
category.


g.



--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: CDC drive needs a home! (FTGH!)

[geneb via cctalk]

On Thu, 19 Aug 2021, Chris Zach via cctalk wrote:

Wow, a Hawk drive. I have a pair of Wrens here (9457's), need to find the SMD 
power supply that's up in the attic somewhere. Hope it finds a home, does it 
have an SMD or other type of interface?


Chris, I don't know enough about it to answer that, sorry!

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

CDC drive needs a home! (FTGH!)

[geneb via cctalk]

I have a CDC 9427H drive ( https://i.imgur.com/Wn87MRb.jpg ) that is 
absolutely desparate for a new home.  It's quite likely over 80lbs, so 
shipping would be problematic.  I'm in Graham, WA.


It's free, it's lonely, and it's desparate for your gentle touch.  Please 
won't you think of the disk drives?


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: 30 yrs. ago

[geneb via cctalk]

On Fri, 13 Aug 2021, Fred Cisin via cctalk wrote:

There were many of us who said that it was the END of the era.  And that in a 
few years, more that half of the personal computers would be PC, or 
imitations thereof.




Yep.  It ushered in the era of billions of identical x86 shitboxen. :(

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Skew vs. interleave

[geneb via cctalk]

On Fri, 30 Jul 2021, Fred Cisin via cctalk wrote:



Good question.
You obviously understand the issue, but others might not.  So, here is the 
background:




This was a great read, Fred.  Thanks for taking the time to write it up!

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Link Rot

[geneb via cctalk]

On Mon, 24 May 2021, ben via cctalk wrote:


On 2021-05-24 9:58 a.m., Jules Richardson via cctalk wrote:

On 5/22/21 10:28 PM, Chuck Guzis via cctalk wrote:

A more disturbing popular trend is information being placed in long-ish
Youtube videos that could have been summarized concisely in a page of 
text.


Kids. It seems to be the modern way - current generations don't want to 
spend a couple of minutes reading text when they can sit though 30 minutes 
of visual content instead. It's like brains have lost the ability to focus 
on something unless it's noisy and moving.




Like Television? Oh wait we don't have that anymore. Just You-tube with ADS.


Ads?  What ads?  Oh! You must not have UBlock Origin installed. ;)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Writings on AI from 17 years ago....

[geneb via cctalk]

On Mon, 24 May 2021, Chris Zach via cctalk wrote:

Ah however in the door pocket there is a letter stating that if Paul ever got 
tired of the system or the museum closed that I would come and pick it up 
again.


Done this a number of times. It kind of gets old, but I really thought Paul 
Allen wouldn't run out of money or interest. Go figure.




His money or interest isn't the problem.  It's the fact that he's dead and 
not able to protect his projects from his sister thats the problem.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Writings on AI from 17 years ago....

[geneb via cctalk]

On Mon, 24 May 2021, Chris Zach via cctalk wrote:


Considering there is no staff as they were all laid off and have now
all found other jobs, I'd guess that's a hard no.  They'd basically
need to spin up from 0 again -- considering Vulcan shut down LCM,
Cinerama and the Flying Heritage Museum as soon as they could after
Paul's death -- I put my money on asset dispersal, rather than
reopening.

I say with a pit in my stomach as a former member and regular visitor.


Well, if this happens I guess I'll have to schedule a trip out there and a 
long ride back in a U-Hack. Then what do I do with it?


You think they'll give it back? HAHAHAHAHAHAHAHA!  Five bucks says it all 
goes to a recycler because it's "easier" for his lazy f*cking sister to do 
it that way.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: DEC LK201-AA removable feet dimensions?

[geneb via cctalk]

On Tue, 27 Apr 2021, Seth Morabito via cctalk wrote:

Thanks to all the help from this list, I've been able to successfully 
print some replacement feet for my LK201 keyboards. For anyone 
interested, the model is now on Thingiverse, here: 
https://www.thingiverse.com/thing:4841952


It's not a 100% perfect match by any means, but it's "Good Enough" to 
get the job done. The fit is snug and solid. I could wish that the clips 
were a little less brittle, but that's the nature of 3D printing with 
very small layers.


Seth, if you print those in PETG or ABS, you'll get the flexibility that 
you want.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Is this a new record?

[geneb via cctalk]

On Thu, 22 Apr 2021, Josh Dersch via cctalk wrote:


https://www.ebay.com/itm/164815576309

$9570 for a keyboard.

As much as I'd like to find a keyboard for my Lambda's second head, I
somehow doubt that's going to happen.  And now I think I need to go find a
really, really (really) safe place to keep the keyboard I *do* have...



I really hope that whomever bought it is going to mate it with an orphaned 
Lisp Machine.  Otherwise they belong in a shallow, unmarked grave.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Looking to buy any of the IR. INTERNATIONAL RECTIFIER KITS WITH SOLAR RADIOS OR SOLAR RADIO EXIMERMENTS FOR SMECC MUSEUM'S SOLAR ELECTRONICS DISPLAY. -- ALSO INTERESTED BY SOME BY OTHER MAKERS TOO

[geneb via cctalk]

On Sun, 4 Apr 2021, Tony Aiuto via cctalk wrote:


Ed. When you type in all caps it looks like you've been owned. Can you tone
it down so we know it is real mail.



If he did that, then we'd worry about him being "owned".

1.  Entire message body in subject line? Check!
2.  Message body duplicate of subject? Check!
3.  UTF-16 space characters? Check!
4.  Poor grammar?  Check!

Yep, that's Ed alright. ;)

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: OT: Newsreader for Windows

[geneb via cctalk]

On Thu, 1 Apr 2021, Rob Jarratt via cctalk wrote:


I am hesitant to post this because I don't want to start a massive debate,
but what Newsreader programs do people use on Windows?


Rob, you might want to give Xananews a shot.

https://github.com/graemeg/xananews

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Any info on a Western Peripherals DC-230 disk controller?

[geneb via cctalk]

On Fri, 12 Mar 2021, Chris Zach via cctalk wrote:

Hm. I have a Q bus controller for a Diablo 44 which is the 5mb removable, 5mb 
fixed using an RL01 type pack. It emulates 4 RK05's. Same edge connector but 
only one of them.


Kind of related, I've got a Diablo Series 30 disk drive (Model 31 H6) 
that's free to a good home.  Local pickup only though - it's a bit on the 
chubby side to ship. :)  I'm in Graham, WA.


g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

New pinion gears for plotters...

[geneb via cctalk]

For those of you with the Atari & Commodore pen plotters that have broken 
pinion gears, there's now a guy making new ones in brass:


https://www.soigeneris.com/alps-printer-plotter-mechanism-pinion-gears

g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Greaseweazle

[geneb via cctalk]

On Tue, 2 Feb 2021, John Foust via cctalk wrote:


At 08:32 AM 2/2/2021, geneb via cctalk wrote:

On Mon, 1 Feb 2021, Al Kossow via cctalk wrote:

and it is the software and the knowledge of what you need to do when
recovering media in volume these guys have no clue about


How about helping out instead of bitching from the sidelines?


I was quite eager to hear Kossow's insights.  Any engineer or programmer
(or both) worth their salt eagerly seeks and accepts the "but it would be really
handy if it did X, Y and Z" insights, especially if they're coming from
someone with decades of experience in the field in question.

How else will products improve?



You're absolutely correct, however the only thing Al contributes (for the 
purposes of this particular discussion) are complaints about how other 
people are doing it wrong.  He complains about "siloed" projects, but the 
silos are of his own construction.  There's two fully open source projects 
that do flux-level disk imaging, but he's apparently not interested in 
helping either one because of how they choose to interact with their user 
base.  Frankly, as far as I'm concerned, he needs to cut loose his 
belt-onions and quit shouting at clouds.



g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Greaseweazle

[geneb via cctalk]

On Mon, 1 Feb 2021, Chris Hanson via cctalk wrote:


On Feb 1, 2021, at 5:07 PM, Antonio Carlini via cctalk  
wrote:


Indeed. The important part is that someone's written some firmware. Oh, and 
it's cheap too, of course.


And that it's something available for the community to work with and improve, 
rather than something where people are hoping to profit off archival ventures.


*cough*kryoflux*cough*

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Greaseweazle

[geneb via cctalk]

On Mon, 1 Feb 2021, Al Kossow via cctalk wrote:


On 2/1/21 4:13 PM, Chuck Guzis via cctalk wrote:

any moderately capable
modern MCU can do the job.


and it is the software and the knowledge of what you need to do when
recovering media in volume these guys have no clue about


How about helping out instead of bitching from the sidelines?

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Greaseweazle

[geneb via cctalk]

On Mon, 1 Feb 2021, John Foust via cctalk wrote:


At 04:58 PM 2/1/2021, geneb wrote:

I've got one (F7+ Lightning version) and I've used it with 5.25" and 8" disks.  I've 
got plans to use it with 8" disks, but I've not done it yet. You'll need to get the 
FDADAP from here: http://www.dbit.com/fdadap.html in order to use it with the GW.


Already have one of those.  Did you say you have it working with eight inch?


Not yet.  It's on my TODO list.

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Greaseweazle

[geneb via cctalk]

On Mon, 1 Feb 2021, John Foust via cctalk wrote:



https://github.com/keirf/Greaseweazle

I heard about this today and I'm surprised I hadn't heard about it
on this list before.

Flux reading and writing from all sizes of floppy?

Anyone here using one?  I'd love to get it working for 8 inch,
5 1/4, 3 1/2 drives here in my shop.

I've got one (F7+ Lightning version) and I've used it with 5.25" and 8" 
disks.  I've got plans to use it with 8" disks, but I've not done it yet. 
You'll need to get the FDADAP from here: http://www.dbit.com/fdadap.html 
in order to use it with the GW.


g.



--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re: Compuserve

[geneb via cctalk]

On Sun, 10 Jan 2021, Grant Taylor via cctalk wrote:


On 1/10/21 7:16 PM, James B DiGriz wrote:

Synchronet is still very much "a thing".


Yes, and no.

Yes, there is /a/ product named Synchronet, probably from the same vendor or 
subsidiary.  However, I don't think that it is the /same/ product.


It's the same package, by the same author.  Rob Swindell(author) released 
Synchronet as open source a number of years ago.  I currently run v3.18c, 
which is the current release version. You can run it in Windows, Linux, or 
*BSD.  MS-DOS and OS/2 versions are also available under the "legacy" 
branch.  Downloads: http://www.synchro.net/download.html


If v3 won't import the DOS message bases automagically, I'm quite sure 
that if you email Rob, he can help make this happen.


g.


--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!

Re:

[geneb via cctalk]

On Mon, 28 Dec 2020, Adrian Stoness via cctalk wrote:


you got marked as spam ed

On Sun, Dec 27, 2020 at 5:02 PM ED SHARPE via cctalk 
wrote:



Hey look!  A spam filter doing it's job!  \o/

g.

--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of its kind.
http://www.diy-cockpits.org/coll - Go Collimated or Go Home.
Some people collect things for a hobby.  Geeks collect hobbies.

ScarletDME - The red hot Data Management Environment
A Multi-Value database for the masses, not the classes.
http://scarlet.deltasoft.com - Get it _today_!