;
> 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/
> 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
--
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
> 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 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/
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/
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/
> 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
> On May 17, 2016, at 02:58, martin.heppe...@mh-aerotools.de wrote:
>
> and more documentation also at
> http://www.hp41.org/Intro.cfm
Somehow, I missed finding HP41.org in my searches so far. That looks like a
fantastic resource. Thank you!
--
Mark J. Blair, NF6X <n...
my ribbon's roller with some sort of solvent and then
re-inking it, possibly by vacuum impregnation of some as-yet-undetermined type
of ink. Even if it's restorable, I might wreck it with the wrong solvent or ink
in the experimental process, so I would be happy to have some more ribbons in
any
to restore the roller or
fabricate a new one, but I wouldn't mind having more ribbons on hand in any
case.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
cope of the course.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
faster than anything else at the time
> they were released.
Ah, then I am probably confusing two different memories: Seeing a CDC 6000, and
using a Harris H800 remotely. I recall that whatever OS was running on the H800
was very un-UNIX-like, but that's the extent of my memory.
--
site called searchtempest.com. I've never really found Craigslist very
appealing, personally.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
to remember an operator's console with two round CRTs on it, but I
might have fabricated that memory from whole cloth.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
wer supply
cabinet, in the path of its blower exhaust. I experimentally determined that
was the warmest easily-accessible area in the machine room.
Good times, good times.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ngs for me. I'm just concerned
that if eBay manages to connect us together in their database, then they'll ban
my dad. Maybe I should pick a frenemy to do my straw purchases, instead? :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
like random non-computer-interested folks selling off dear
departed Dad's old C64.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
items of interest being sold on
eBay, but they simply annoy some (many? most? few? just the cantankerous ones?)
of us enough that we wish there was a better venue. Whether we can make a
viable alternate venue seems doubtful to me, but I'll participate if we give it
a try.
--
Mark J. Blair, N
ing.
>
> Thanks,
>
>
>
> eBay
>
>
>
> Please don't reply to this message. It was sent from an address that doesn't
> accept incoming email.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ealous of your 11/785! Buying it and
shipping it to the US probably isn't in my future, sadly.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
VERY low, maybe 200mV. So, I suspect those regulators need to be
> replaced.
Could they be going into thermal shutdown? I don't recall whether linear
regulators from that era commonly had thermal shutdown features yet.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
/imaging-vax-11730-disks/
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
table for producing raw block copies of the
> disks on the 11/730 on the filesystem of the system hosting the emulation.
Hmm, I don't remember whether it output any messages like that, and I don't
recall where the console printouts are from my successful boots of the system.
I'll look for thi
write a utility to translate between
them and other formats.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
some SCSI device on the MicroVAX such as a SCSI2SD.
I think I'd need to find a fairly turnkey MicroVAX, though, to avoid a bring-up
problem that's even bigger than the data transfer problem I'm trying to solve.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
3 is also stamped XX2065.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ar as
> the RL02 test; not surprising as there's no RL controller or drive -
> or the special diag pack! - installed.
Congratulations!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ying
it on my 11/730 sometime!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Feb 22, 2016, at 16:12 , Mike Ross <tmfdm...@gmail.com> wrote:
>
> Mark am I missing something or is there no make option for Linux in your
> tweaked tu58em?
I think you simply type "make" to build it on a unix-like system (e.g., Linux).
--
Mark J. Blai
if you were stranded there, you don't exist
> now.
As a case in point, look at apple switching from 68k to PowerPC for their
desktop systems, then again from PowerPC to x86. With overlapping emulation in
both cases, even. Both of those transitions were critical for their survival
and growth.
--
The bigger picture:
https://twitter.com/nf6x/status/701796809413304320
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Feb 22, 2016, at 07:35, Ethan Dicks <ethan.di...@gmail.com> wrote:
>
> On Mon, Feb 22, 2016 at 10:28 AM, Mark J. Blair <n...@nf6x.net> wrote:
>> When I was debugging the connection between my VAX and tu58em on my Mac, I
>> ended up buying an old ser
le
3.5" floppy drive! ;)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
ith
> Xcode or any other dev environment...
https://dl.dropboxusercontent.com/u/29876211/tu58em.zip
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Feb 15, 2016, at 17:46, Jay Jaeger <cu...@charter.net> wrote:
>
>
> Ah. I see I was too late.
Me, too. Well, that's what I get for failing to keep on top of my personal
email while at work today. :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
everal
> months.
Or at least until I get hungry. :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
with an oscilloscope.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
.
* Yet some other remote battery option.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
In this Amiga, the battery is just for a real time clock. I don't think the
A3000 saves any parameters in nonvolatile memory.
for felt material is McMaster-Carr. I don't know which composition and
hardness are best for this application, though. They carry both wool felt and
synthetic felt.
https://www.mcmaster.com
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
-does no one use NiMH nowadays? Why go
> with the toxics?
>
> --Chuck
NiMH is worth considering; I would just need to study the charging circuit
carefully before changing secondary battery chemistry.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
o I replaced it with a CR123 mounted remotely inside the
back panel so that the next replacement will be easier.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
lity version 1.0.0a1
Copyright (C) 2016 Mark J. Blair, released under GPLv3
https://github.com/NF6X/pyImageDisk
https://github.com/NF6X/pyImageDisk
Arguments are processed in the order encountered, with cumulative effects
upon the disk image buffer. The disk image buffer is discarded at program
> On Feb 3, 2016, at 20:37, Lee Courtney <leec2...@gmail.com> wrote:
>
> Date on the 730 notice is Aug 2009 - I suspect it is long gone by now. :-(
Where do you see that? The listing states:
"Status: Open 2/1/16 - 02/07/16 23:59:00"
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
cylinder and head numbers in the headers. It'll also
do hex dumps of the entire disk image or individual sectors. And it can change
interleave factors and first sector after the index pulse if that might be
helpful.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
is too old to deal well with the modern web. I'm not sure how
much better Firefox 2 will be, but I'd like to find out!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
n't even include TCP/IP support. The IBM
WebExplorer browser is not able to cope with the modern web, and the updater
was not able to resolve updates.gopher.ibm.com, oddly enough. :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
, now that it's working, I guess I can put it all on a shelf! :)
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
I tried the touch screen again. This time the mouse remained working, and it's
kind of usable-ish after running the CALIBRAT.EXE utility.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
XDFCOPY.EXE from that BonusPak ISO isn't working on my ImageDisk rig; it says
it can't format track 0. I think I'll try reinstalling DOS 6.22 on the PS/2
temporarily to see if I can write out the XDF disks there. Or maybe I'll try
PC-DOS 7 if I can find it.
--
Mark J. Blair, NF6X &l
the images. Yay!
This is like a text adventure.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
:) Maybe
google translate can help me find my way around... yeah, much better now.
Thanks for the links!
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
tion" (but
with mouse pointer still movable) and yielded a system that doesn't boot past
the loading screen. The system passes its diagnostic tests, but maybe the
scsi2sd is incompatible in some way, or maybe a different distribution is
needed for this machine?
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
most likely shipped with this system originally, but maybe this machine
required a special version of 2.0/2.1 that differs from the shelf versions that
got archived online?
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
Per off-list email, it looks like the manuals are near the Pasadena/Glendale
border, which is over 2 hours from me... and there's a dumpster deadline on
Thursday, so I don't think I can help with this one. :(
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
u might want to check those out first.
> It is possible, IIRC, at least on some of the models to substitute a
> commodity DSHD 3.5" drive with a few small modifications.
Luckily, the floppy drives on this machine still seem to be fine.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
> On Jan 25, 2016, at 10:19, drlegendre . wrote:
>
> You should also be able to attach an external SCSI CD drive using a device
> like the Trantor T-348, which is a parallel port -to- SCSI adapter built
> into a cable.
I should also be able to plug one into the system's
> On Jan 25, 2016, at 09:21, Chuck Guzis wrote:
>
> IBM distributed free CDs with Warp on them about then, publicizing their
> "Developer Connection"--something akin to MSDN. The CD included (IIRC) a C
> compiler and a few tools as well. I still have my CD; if you want an
ngeles area who would be willing to
> pickup the manuals (there are 14 in all) and either keep them until there is
> a pickup of else ship them?
Do you know where in the LA area it is? If it's out in the Inland Empire
(Corona, Riverside, Ontario, etc.), then maybe I could help.
--
Mark J. Blair
> On Jan 24, 2016, at 23:17, Glen Slick <glen.sl...@gmail.com> wrote:
>
> On Sun, Jan 24, 2016 at 10:34 PM, Mark J. Blair <n...@nf6x.net> wrote:
>>
>> Do you know where in the LA area it is? If it's out in the Inland Empire
>> (Corona, Riverside,
or maybe point me towards non-eBay sources
of software that it would like to run?
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
Since my 11/730 is so small compared to its contemporary VAXen, I'm thinking of
naming it VAXINA.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
On Jan 16, 2016, at 12:15, tony duell wrote:
> I had considered that, or one of the TU58 emulators that use SD cards or
> similar but (a) I am trying to restore this VAX, not make a machine that runs
> VAX software and is not original and (b) I do have this moral
tianm...@gmail.com
must pick up san antonio texas
pick up by 12-24-2016"
I would pick it up myself if I was local. Somebody grab it, please!
--
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/
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/
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/
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/
> 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!! :-) :-)
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/
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
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/
; 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/
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/
. 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:
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/
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
ot; as I found the unit, so I rotated it to the "ON"
position. If there's a spindle lock, it wasn't obvious enough for me to notice
it.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
housings to cover DLV11 cables
plus the common varieties of jumpers I often need to cobble together. I can
share part numbers if anybody would like me to.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
doesn't mind.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
while you're in the area. I might have to be in the office in Irvine,
but there's a good chance that I'll be available this week.
--
Mark J. Blair, NF6X <n...@nf6x.net>
http://www.nf6x.net/
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
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/
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