to a
doesn't-exist-yet tag on my blog), but here are the Eagle design files:
https://github.com/NF6X/DLV11toRJ45
I should take a picture of the finished item, too. Maybe later today...
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Nov 9, 2015, at 11:48, Al Kossow <a...@bitsavers.org> wrote:
>
> On 11/9/15 11:46 AM, Mark J. Blair wrote:
>> I got a reply from the seller of this system, and I'll see if I can go take
>> a look at it today or tomorrow.
>
> And so far, it's still pri
le be allowed to vanish forever.
Preserve the data and software while it's still possible! If an owner comes
forward later who gets pissed off about it, we can deal with that as it comes
up.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
. If it's something like a hundred, then automating
the testing might be a good idea, and a fun project all by itself if that sort
of thing interests you.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
is up to date, then he's probably near Corpus
Christi, TX.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
Only other ham radio operators tend to recognize ham radio callsigns and know
how to look them up.
> On Nov 16, 2015, at 15:44, Adrian Stoness wrote:
>
> huh?
>
> On Mon, Nov 16, 2015 at 1:16 PM, Bill Sudbrink
> wrote:
>
>> Mark Linimon wrote:
At long last, here are pictures and details!
http://www.nf6x.net/2015/11/ibm-system32-at-the-local-electronics-recycler/
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
I've seen it, and it is for real. Looks complete except for missing paper rack
on the back. Has keyswitch and band printer options.
More details and a blog post with pictures to follow once I'm back home in
front of a real computer. For now, I've posted a few pictures on my Twitter
feed
ess it can be broken down into
pieces no wider than a 19" rack.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
-datamaster/
http://www.nf6x.net/2014/09/ibm-5322-system23-datamaster-internals/
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Nov 5, 2015, at 15:19, Mike Ross wrote:
>
> That's the guy I've been talking to.
Are you near Riverside? If not, maybe I can help you out with this machine
somehow. It is local to me, and I happen to have a couple weeks of free time
between jobs.
pool disturbs me a bit. :) Can
anybody fill me in on what these disks likely contain, to help me decide
whether I might like to trade blank floppies for them?
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
he 1410A manual at Bitsavers
notes some incompatibilities including incompatible formats for 256 byte
sectors, so I presume that Jason has already determined that an older 1410
won't work for the recovery he's attempting. :(
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ere is some important historical
> data we are trying to recover, but the controller is nonfunctioning.
This may a dumb question, but could the drive be imaged by some other means,
such as David Gesswein's MFM emulator?
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ugged into
> the
> expanison bus and read out video RAM?
I think it was electrostatic, using the aluminized paper.
I don't imagine that electrostatic paper is still manufactured, is it? Even in
different roll widths that might be cut down to support some old-timey computer
printer?
--
www.digikey.com
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
reaction was ... and it's
RUNNING?!
Another boss later got the same treatment with a TU77 drive. Good times, good
times.
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
Very good explanation, Tony!
Is there any chance that he might need to worry about a pack being inside the
drive with the heads un-parked, e.g. from an abrupt power failure?
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
for anybody to locally mirror the
archive, and it provides a complete history of changes to the archive over time.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
I have no interest in causing any deliberate harm to whoever may hold the
rights to RT-11, but I am curious about whether the rights holder has shown any
interest in preserving old RT-11 code and documentation that has no current
commercial value. I would very much hate to see such stuff lost
> On Nov 14, 2015, at 15:56, rod wrote:
>
> I am of the opinion that RT,RSX M & D etc could be dealt with in exactly the
> same way as the very successful OpenVMS Hobbyists program.
Has anybody contacted the RT-11 rights holder to see if they might be
> On Nov 14, 2015, at 17:27, Johnny Billquist wrote:
> We need HP to release things.
If XX2247 LLC owns RT-11 as stated in another post, then what does HP have to
do with it? I am glad that HP continues to license VMS to hobbyists, and I am
one of the licensees. But I
over the place. Maybe something 3D printed the depresses the latches, with
a crank that engages the spool?
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
success so far.
If I gain the ability to somehow run a 1/2 magtape drive on one of my modern
computers (Ultra 60, Macbook or Mac Pro) then that could also provide a way to
transfer stuff in both directions.
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
rewinder gizmo, too, to make the failures less painful. Not this month, but one
of these days!
Can the TK50 cartridges be baked as-is, or do the reels need to come out of the
casings to get air flow? I'm new to this magnetic pastry chef stuff. :)
--
Mark J. Blair, NF6X n...@nf6x.net
http
Given that it's summertime, I wonder if I could just leave the tapes in my
truck for a week to bake them? :)
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
On Aug 28, 2015, at 08:09, Al Kossow a...@bitsavers.org wrote:
On 8/28/15 12:46 AM, Mark J. Blair wrote:
leave the tapes in my truck for a week to bake them? :)
not enough airflow
Well, I guess I'll need to build a little convection tape baker, then. Maybe
I'll use something like
for 5.25 and 8 floppy disks to
fit in it? I have a lot of 8 disks that need baking, too.
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
that I'll get a much better
understanding of how my layout affects things like tombstoning once I reflow my
own boards. I've designed many a board, but other than ones I've hand soldered
myself with irons, they've all been assembled out of sight and out of mind from
me.
--
Mark J. Blair, NF6X n
To be honest, an engine block wouldn't look out of place in my living room. :)
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
On Aug 29, 2015, at 06:55, Matt Patoray mspproducti...@gmail.com wrote:
On the American Harvest the center hole is 2.25 across I think an 8
floppy will fit in that but I am not sure, I don't have any on hand to test
with
I don't think 8 floppies will fit, then.
--
Mark J. Blair, NF6X n
thought the center support was some sort of
fixed air duct, and that anything too large to fit between the center and edge
would need a center hole large enough to fit over the center support.
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
vary
depending on the freight company that you choose to handle the load.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
Here's a picture that I found online:
http://s7.photobucket.com/user/earthman606/media/glasscapacitor.jpg.html
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
I like the irony of a plastics company using a wooden computer, even if the
asking price seems quite ambitious.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
And a pinball machine, too!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
212 handy to look at its supported device list.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
e picked the locks, but that's just how I roll. :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Sep 21, 2015, at 10:52 , Marc Verdiell <marc.verdi...@gmail.com> wrote:
>
> Wow. Thanks for sharing. What a beautiful looking machine. I hope one of us
> gets it.
It looks like it is in pristine condition!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
don't have any
prior history with DG gear, this rack won my heart:
http://www.nf6x.net/2014/03/data-general-nova-3-and-dec-pdp-11v03-l/
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
52-002 and a Cipher 5120.
Thanks for sharing the pictures, and I'm glad that the freighting worked out!
Freight shipment is a bit weird at first, until you get used to it.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
in the pictures looks really lovely!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
to measure temperature.
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
baker. If the hub is small enough for 8 floppies to fit
around it, then that will be even better.
--
Mark J. Blair, NF6X n...@nf6x.net
http://www.nf6x.net/
sensor positions are used?
I would imagine that it's a moot point if the disks are being formatted,
written and read on the same drive, but I can imagine interoperation issues if
you later punch the second jacket window to read/write the disks on an
unmodified drive.
--
Mark J. Bl
a pile and snatched them
immediately, hoping they would be useful. Both ended up having SCSI interfaces.
I haven't done much with my Kennedy drive yet other than ordering a replacement
power switch for it.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
that you use your thumb instead of arrow keys,
and there's generally a lot more swearing involved as you fumble about trying
to select parts of the quote that you want to trim. :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
this part does not exist yet, beeing
> "too old" ??
It's normal to need to create footprints for new PCB designs. The public KiCad
libraries have a lot of parts in them, but they're still a tiny subset of all
of the footprints that exist.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
The manufacturer links are all 404 and the video was from 2011.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
; or "Seek
error during burn-in or recal". Maybe the sensor is just knocked slightly out
of adjustment? I'm hesitant to move it if there's any chance that it's in the
correct location, but maybe this is worth experimenting with.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
al shaft. Crossing my fingers...
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ssis wiring before I try smoke testing it.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
By the way, I found a stamp marking on the inside of the drive's front bezel
which I think represents the expected attitude of a Miniscribe drive. :-p
https://twitter.com/nf6x/status/669368721094238211
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
gt; I'm guessing you're more of a FORTRAN devotee, based on the ALL CAPS?
OH, SNAP! :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
he disks he had in there.
Based on the label picture linked to above, do any of you IBM fans know whether
the contents of these are likely to be interesting to anybody?
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
MFM Reader/Emulator to
get the track 0 sensor readjusted by trial and error.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
bly around a year ago. I searched for a long time
before I found it. Another hen's tooth that I would like to find is a magtape
end clipper/crimper, but I'm even less likely to find one since I'm taking an
eBay vacation.
Good luck!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Nov 29, 2015, at 06:29, Noel Chiappa <j...@mercury.lcs.mit.edu> wrote:
>
>> From: Mark J. Blair
>
>> I'm taking an eBay vacation.
>
> Which 12-step program are you in to help with that? :-) I could use a good
> recommendation!! :-) :-)
P (park
hard drive), but the BASIC just returns I/O errors. Might be hardware, might be
PEBCAK.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
I just emailed the seller of this system to see if it has been purchased yet.
They say it's still available, and they're thinking of putting it on eBay.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
n.
2) Use a Spartan 6 FPGA in a TQFP package, with a BeagleBone Black as its brain.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
The images are now available here:
https://github.com/NF6X/ibm4341disks
The original disks are now available for trade if anybody is interested in them.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
;
> How get 63 more bytes when running BASIC?
> Ducks!
I'm hoping for VCF Southern California. It's probably not VCF Southern
California. Is it VCF Southern California? :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
; But northern California is nice too.
I seem to have missed the announcement in the noise, unless you were referring
to the Woz-signed Apple auction. Northern CA is nice, but it's farther than I
wish to drive. ;)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
e some more.
BTW, the console is running at 4800 baud, while I expected it to be at 9600
baud based on the strapping. That needs some more investigation, too.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
much longer.
I can look up the part numbers from Digi-Key that I used if necessary. I think
that any safety-rated poly film caps with suitable lead spacings, same or
higher voltage ratings, and similar capacitance should be fine.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
Ok, I've found a description of the .rb format in manual 093-81-02 for the
Macro Assembler, and a description of the .ab format in manual 093-03-06
for the Binary Loader. Now, off to dig into Toby's assembler some more to
figure out how to make it emit absolute binary!
--
Mark J
to splice in the absolute binary conversion.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
to write up test programs to try out drive functions and debug things. I ran
one of the memory checkerboard tests for quite a while without any apparent
failures.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
's advisable to post
it publicly after getting it working, since it'll have original DGC binary code
embedded in it. Opinions?
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ame spot on the left:
https://twitter.com/nf6x/status/691171883236995072
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Jun 9, 2016, at 11:05 , Chris Hanson <cmhan...@eschatologist.net> wrote:
>
> On Jun 8, 2016, at 9:08 PM, Mark J. Blair <n...@nf6x.net> wrote:
>>
>>
>>> On Jun 8, 2016, at 09:34, Evan Koblentz <cct...@snarc.net> wrote:
>>> Give u
server duty,
so a matching external drive enclosure makes sense to me.
My machine came without its original hard drive, so I substituted a SCSI2SD. I
also added a SCSI CD-ROM drive that I harvested from one of my Sun Ultra 60
stripped chassis, then used that to install OS/2 on it.
--
Mark J.
te additional test programs to debug my disk drive!
For example, I'll probably write one that polls the DONE flag after a seek to
see if the I/O status flags are working despite status register reads returning
zero.
It's early work, and likely to be buggy, but here's my fork:
https://github.com/NF6
some brain bandwidth.
Now I'm off to try and figure out what baud rate my console is strapped for,
which I wasn't smart enough to write down last time I worked with the system.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
my archive:
On Jun 14, 2014, at 09:21, Mark J. Blair <n...@nf6x.net> wrote:
> Do any of y'all know the bulb number for the fragile little wire-leaded bulbs
> used in the Data General Nova's switch console? I have at least one burned
> out, and a couple have snapped off. I meas
.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
e out of neutron star matter. I can't let my dogs walk near
it for fear that it might accrete them.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
videos.
Nice. Subscribed. The case comes together and goes apart just like my PS/2 85,
though it doesn't have the sliding safety cover over the power button like the
85 does.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Jun 5, 2016, at 14:02, Alexandre Souza <alexandre.tabaj...@gmail.com>
> wrote:
>
> http://tabajara-labs.blogspot.com.br/2015/05/fazendo-o-expletiva-cabo-da-duodisk.html
>
> Better than nothing :)
Nice hack! Too bad that Noy guy defaced his computer. :D
--
> On Jun 8, 2016, at 09:34, Evan Koblentz <cct...@snarc.net> wrote:
> Give us a break, this is fundraising for a non-profit.
I wasn't trying to be critical at all. I just didn't make the connection that
the auction was the specific announcement that you were referring to.
--
M
As I expected, it went fast!
davetu...@yahoo.com wrote:
> Looks like the Decwriter III will be going to a new home. If for some reason
> this effort falls through, I will re-list the machine on Greenkeys.
>
> thanks.
> --dave
> W5DT
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On May 30, 2016, at 14:13, couryhouse <couryho...@aol.com> wrote:
>
>
>
> Someone needs to grab this heads are hard to get...
Complete units aren't cheap and plentiful these days, either.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On May 30, 2016, at 15:37, shad <shado...@gmail.com> wrote:
>
> If somebody is interested, I can share my ideas, I already begun with the
> hardware.
Yes, please do share!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On May 31, 2016, at 09:35 , Al Kossow <a...@bitsavers.org> wrote:
>
>
>
> On 5/31/16 8:38 AM, Mark J. Blair wrote:
>>
>> If I could find a way to create new tape belts, then it would be nice to be
>> able to overhaul old cartridges.
>>
>
&g
> On May 27, 2016, at 09:31 , Guy Sotomayor Jr <g...@shiresoft.com> wrote:
>
>
> I don’t recall anyone who did but everyone was locked out of the labs until
> security came through and collected all the materials.
Wow, that's a legendary level of spite.
--
Mark J. Blair
The Plastibands that I tried were about half the width of the original belt
once stretched into place, and they would not stay centered on the pulleys or
tape spools at all. Once they slipped, after just a few turns of the roller,
they tangled things up badly.
--
Mark J. Blair, NF6X &l
en
> restoration.
>
> Let me know if you are interested off-list and I will put you in touch with
> my son to make the arrangements for pickup.
>
> thanks.
> --dave
> W5DT
--
Mark J. Blair, NF6X <n...@nf6x.net <mailto:n...@nf6x.net>>
http://www.nf6x.net/ <http://www.nf6x.net/>
to the correct bit
length.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
n Prime. I'm still working on the
problem creating more cubic feet^H^H^H^Hyards of available volume in a small
house, though.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
all the fiche in one place and dedup it. ECO-LOGs
> are definitely in there (have several DEC PDP-xx 'blue boxes')
That's great news, Al! Thanks for doing this stuff. It's a great service to
collectors and computer historians of the present and the future.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
Update! An interface card schematic has appeared in my inbox as if by magic.
That changes this task from "breaking the enemy cipher" to plain ol' logic
debugging. Woohoo!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
nd bigger dog gets 2/3. That's the In-N-Out prescribed
dosage; for McDonald's, it's 1/2 for little dog, 1 for big dog, and 1/2 for me
(plus the Quarter Pounder I already ate) since their cheeseburgers are smaller.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
L02 drives from New York a couple
of years ago, then I'd probably be buying your rack now!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
back of your van back at MRCG last month. ;)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
in my DG rack
to hold my PDP-8/M and a mil-surplus Chalco high speed paper tape reader I have
that could be fun to interface to the PDP-8 and/or the Nova. But if I'll be
hosting a 6030 drive in the rack then I'll need to come up with a different
plan!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
need a PC (linux preferred) and Python installed (plus serial port
> module).
I forgot about your disk dumper tool! I was planning to write my own, but maybe
I don't need to now!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
hing
> I'd want...
Please say southern California... ;)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ough to
withstand shock. A fully assembled heavy thing inside a fragile plastic case
may not make it intact no matter how good the padding is.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
DEC
LP32 series band printer, or perhaps another printer made for use with the
DMF32 controller.
http://vt100.net/docs/tp83/chapter16.html
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
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