On 5/21/2020 7:38 AM, ste...@malikoff.com wrote:
> Jay said
>> The application was/is developed in C# under Visual Studio 2017 to run
>> under Windows, primarily because I was interested in trying out C#. I
>> would expect it to build in VS 2019 with little or no change, but have
>> not tried it.
On 5/21/2020 7:41 AM, Peter Corlett via cctalk wrote:
> On Thu, May 21, 2020 at 01:34:09PM +0200, Sytse van Slooten via cctalk wrote:
> [...]
>> So basically what it comes down to is Quartus or Vivado. I’ve kind of
>> implicitly chosen Quartus, because the Altera based development boards tend
>> to
On 5/21/2020 9:51 AM, Paul Koning wrote:
>
>
>> On May 20, 2020, at 10:22 PM, Jay Jaeger via cctalk
>> wrote:
>>
>> As I wrote in my last post, but write here for use as a separate thread:
>>
>> I'd be interesting in hearing from folks w
On 5/21/2020 10:00 AM, Tom Uban wrote:
>>
> Paul, your project is super interesting. Is there a website where I can track
> it?
>
> --tom
>
Mainly the github.com/cube1us/IBM1410SMS .
I do have a website: www.computercollection.net . I do post there, but
not often.
JRJ
On 5/21/2020 11:07 AM, Jon Elson wrote:
> On 05/20/2020 09:22 PM, Jay Jaeger via cctalk wrote:
>> As I wrote in my last post, but write here for use as a separate thread:
>>
>> I'd be interesting in hearing from folks what toolsets they have used
>> for HDL (VHDL
On 5/21/2020 11:22 AM, Jay Jaeger via cctalk wrote:
> On 5/21/2020 10:00 AM, Tom Uban wrote:
>>>
>> Paul, your project is super interesting. Is there a website where I can
>> track it?
>>
>> --tom
>>
>
> Mainly the github.c
On 5/21/2020 11:55 AM, Paul Koning wrote:
>
>
>> On May 21, 2020, at 12:21 PM, Jay Jaeger wrote:
>>
>> On 5/21/2020 9:51 AM, Paul Koning wrote:
>>>
>> ...
>>> If the timing in your machine is reasonably sane and has enough margin, the
>&g
On 5/22/2020 4:45 PM, Chris Hanson wrote:
> On May 21, 2020, at 8:46 AM, Jay Jaeger via cctalk
> wrote:
>>
>> Helpful tips - I agree with avoiding vendor extensions. Thanks.
>
> I’d strongly suggest that the situation with FPGAs & HDLs requires a bit more
>
Thanks to all of those who suggested looking at GHDL. Essentially
instant "analyze" runs. That alone is going to save me hours => days =>
even weeks of time compared to Vivado or even ISE.
I tried one file I had already generated and it worked as is, except for
the need to yank out the library/u
On 5/23/2020 6:47 PM, Chris Hanson wrote:
> On May 23, 2020, at 7:54 AM, Jay Jaeger wrote:
>>
>
> I think it depends on whether you want to expose *Ethernet* to the device
> you’re implementing, or just to provide access to it *over* Ethernet.
> Exposing serial and othe
On 5/29/2020 7:27 AM, Noel Chiappa via cctalk wrote:
> "DO NOT just keep the boards, and discard the box, bulkhead panels, cables,
> etc. Everyone does that, as a result of which we are now over-supplied with
> boards - but the cables, boxes etc are now rare (un-obtainium in some cases
> ..) These
Don't know if anybody much cares, but:
The HDL synthesis aspect of the SMS data gathering / HDL synthesis
application is coming along. I can now handle:
- Oscillators (using a counter divider)
- Delay lines (using a shift register, so limited to a reasonable number
of FPGA clock clock cycles,
The IBM mainframe memory add ons I was familiar with were from Itel rather
than Intel. I don’t see how intel could have had semi memory for mainframes in
the early 1970s.
Sent from my iPhone
> On Jun 15, 2020, at 8:32 AM, Joshua Rice via cctalk
> wrote:
>
> Somehow it seems the thread got
Yes, but that is *MID* 70s, not early 70s
Sent from my iPhone
> On Jun 15, 2020, at 10:44 AM, Chuck Guzis via cctalk
> wrote:
>
> On 6/15/20 8:19 AM, Jay Jaeger wrote:
>> The IBM mainframe memory add ons I was familiar with were from Itel rather
>> than Intel. I d
icroBlaze, but always thought it wasn't free?
>
> --tom
>
> On 6/14/20 4:25 PM, Jay Jaeger via cctalk wrote:
>> Don't know if anybody much cares, but:
>>
>> The HDL synthesis aspect of the SMS data gathering / HDL synthesis
>> application is coming
As part of my project to create a Field Programmable Gate Array
implementation (FPGA) of the IBM 1410 Data Processing System based on
Automated Logic Diagrams (ALDs), I decided to look at using the
Instructional Logic Diagrams (ILDs) to guide my testing, rather than
using the ALDs directly.
The IL
I have the Installation manual, EK-AI785-IN-002 if it would be helpful.
It is only maybe 50 pages, spiral bound.
JRJ
On 6/25/2020 6:36 PM, Al Kossow via cctalk wrote:
> On 6/12/20 10:45 AM, Al Kossow via cctalk wrote:
>> On 6/12/20 9:46 AM, Noel Chiappa via cctalk wrote:
>>> /785 docs are very r
(And not acting as part of a resonant circuit)
Answer: When it is acting like a little delay line.
https://www.computercollection.net/index.php/2020/07/18/q-when-is-a-capacitor-not-just-a-capacitor/
On 7/25/2020 8:26 AM, Will Cooke via cctalk wrote:
> The LGP-30 has been discussed here (often fondly) a few times so I thought
> this might be of interest. Adds a bit of fame to the little guy that I
> wasn't aware of.
>
> I was reading the wikipedia web page on chaos theory and found this pas
On 7/24/2020 1:36 AM, Boris Gimbarzevsky via cctalk wrote:
> found a box of old Univac cards which appear to be DTL with individual
> transistors and then go on to having DTL IC's as well as some old IBM
> cards. Used to pull transistors and diodes off these to build my own
> circuits 50 years ag
On 7/28/2020 6:48 PM, Carlos E Murillo-Sanchez via cctalk wrote:
>
> So, what would two chips marked
>
> F U6A7709393
> 7043
>
> and
>
> F 7306
> 7-6987
>
> be?
>
> Carlos.
>
U6A seems likely to me to be referring to a linear chip, rather than a
digital one, though the 6 between th
On 7/28/2020 1:43 PM, Brent Hilpert via cctech wrote:
>
> Per the OP's machine, the early HP21xx machines were based on CTµL, for which
> the main supply is +4.5V.
> DTL and TTL chips in these machines ran off that 4.5 supply.
>
The DTL I referred to in my posting are in a third-party (IOMEC) d
On 7/28/2020 11:33 PM, Brent Hilpert via cctalk wrote:
>
> On 2020-Jul-28, at 6:40 PM, Jay Jaeger via cctech wrote:
>
>> On 7/28/2020 1:43 PM, Brent Hilpert via cctech wrote:
>>>
>>> Per the OP's machine, the early HP21xx machines were based on CTµL, f
On 7/29/2020 4:47 AM, ED SHARPE via cctalk wrote:
> RE iomec drive and controller- SMECC has manuals for this subsystem and
> diags and drivers for it.Wen things get back to normal we will be able to
> accesses themshould you need any info. We are also looking for a 2114!
> and a 2
I encountered my second missing Automated Logic Diagram (ALD) page for
the IBM 1410: 13.64.03.1, which, based on the signals fed to it and
which it produces, would, fortunately, necessarily have the same logic
as page 15.41.10.1 - "E CH FULL CONTROL-ACC". Page 13.64.03.1 is for
the second, or F C
Bill, did you ever cross paths with Dan Nissen or Karen Nissen? Friends
from U. Wisconsin (and Karen also worked at WisDOT for a while after I
started there, before they both went off to MPLS.)
JRJ
On 6/30/2020 8:05 PM, Bill Gunshannon via cctalk wrote:
> On 6/30/20 6:29 PM, Alan Perry via cctal
>
> I really liked MASM and PLUS.
> I remember two ERs, ADED$ and SMOQUE$. With the latter I was able to move my
> print out to the top of the queue 😊
> IIRC, with ADED$ you could assign (and lock) a CPU to your program. A silly
> mistake in my MASM program “ate” all three CPUs of the 1100/63. E
On 7/1/2020 12:23 PM, Kevin Monceaux via cctalk wrote:
> On Wed, Jul 01, 2020 at 09:17:47AM -0400, Michael Kerpan via cctalk wrote:
>
>> This thread has been truly enlightening. I had no idea that UniSys had
>> hobbyist versions of both their Univac and Burroughs stuff available.
>
> I'm very hap
On 8/18/2020 10:58 AM, Kevin Monceaux via cctalk wrote:
On 8/18/2020 10:58 AM, Kevin Monceaux via cctalk wrote:> Jay,
>
> On Mon, Aug 17, 2020 at 08:46:37PM -0500, Jay Jaeger via cctalk wrote:
>
>> There are a couple of B5500 emulators out there. One I have worked with
>&
On 8/18/2020 10:58 AM, Kevin Monceaux via cctalk wrote:
>
> The first emulator is web based, and the second fails to build. I'm not a
> fan of web interfaces. Are there any other B5500 emulators and/or software
> that Bing missed?
>
>
This post might also be informative:
http://mailman.tra
A 6TB hard drive, available for about $130 (or less), would be
equivalent to about 60 of the 100GB BDXL disks, which seem to go for
about $6 each, so $360 for around 6TB. And the hard disk will take less
time to read and write. And the hard drive would take up less space.
JRJ
On 1/4/2018 7:50 P
On 10/4/2017 3:33 PM, Dominique Carlier via cctech wrote:
> Hi all
>
> I start here another topic concerning my research about a new Operating
> System for my freshly restored DCC-116 E.
>
> http://www.zeltrax.com/classiccmp_forum/second_boot/04.jpg
> http://www.zeltrax.com/classiccmp_forum/secon
I wasn't aware of that. I have a ton of Apollo QIC images. Shall I put
them up on my Google Drive for you to grab?
On 1/21/2018 1:50 PM, Al Kossow via cctalk wrote:
> CHM has an agreement with HP to host Apollo and 68K HP 9000 software legally.
>
>
> On 1/21/18 11:42 AM, David Collins via ccta
A fair amount of Apollo software doc can be found at:
http://bitsavers.org/pdf/apollo/
I have other stuff that they probably don't have (yet),
I just fired off a note to Al Kossow, and I expect that QIC tape images
I have will end up on bitsavers.org/bits before too long. Things like
Aegis SR 9
I haven't
> had time to do anything with
>
> also, i have lots of the last couple of revs of manuals up on bitsavers and
> there is a functional
> Apollo emulator running in MAME
>
>
>
> On 1/21/18 7:16 PM, Jay Jaeger via cctalk wrote:
>> I wasn't aware
als up on bitsavers and
> there is a functional
> Apollo emulator running in MAME
>
>
>
> On 1/21/18 7:16 PM, Jay Jaeger via cctalk wrote:
>> I wasn't aware of that. I have a ton of Apollo QIC images. Shall I put
>> them up on my Google Drive for you to gr
No, at least not right now, but as someone who attended UW (long before
this distro was made), I find it interesting.
JRJ
On 2/5/2018 6:06 PM, Noel Chiappa via cctalk wrote:
> Can anyone help 'Darkstar' with this:
>
> http://gunkies.org/wiki/Talk:Installing_4.3_BSD%2BNFS_Wisconsin_Unix
>
>
On 1/28/2018 10:56 PM, Marc Howard via cctalk wrote:
> The second question has to do with rack mounting. I want to mount this in
> a H960 cabinet but will obviously need to slide it out to replace packs.
> All the unit has is a thin rail on both sides that is riveted to the unit.
> It looks like
I *might* be able to help, *if* you also have a MicroVax you can plug
this controller into - eventually (months). I have a pair of MicroVaxen
with Emulex QD32 SMD controllers in my collection. (My inventory shows
them as QD325, but I expect that is a misnomer; my notes indicate QD32).
With those
On 2/23/2018 11:45 AM, Paul Birkel via cctalk wrote:
> The following extract comes from a History of Programming Languages (HOPL)
> retrospective on the development of the Ada programming language written by
> the individual who was the government lead at DARPA for much of the time of
> its develo
> On Mar 16, 2018, at 12:39, Josh Dersch via cctalk
> wrote:
>
> On Fri, Mar 16, 2018 at 9:07 AM, Glen Slick via cctalk <
> cctalk@classiccmp.org> wrote:
>
>> On Fri, Mar 16, 2018, 8:51 AM Al Kossow via cctalk
>> wrote:
>>
>>> https://www.ebay.com/itm/1372243559202
>>>
>>> basic.p11
>>> sys
On 3/21/2018 4:37 AM, Ulrich Tagge via cctech wrote:
> Hi all,
>
> is there somewhere a list of DG modules which includes also 3rd
> party/OEM, ... like it is available for DEC?
>
> Would be good to know what the following is:
>
> 107-000621 02
> 107-000621 03/11
> 107-001632-00
> 107-0016320/02
My inventory indicates that I have a pair of lower ("UP") heads, part
number 70-15637 for an RL02. (I don't have any spare "DOWN" heads as
far as I can tell). I think they might even be new old stock, as they
are marked "NEW" in my inventory. So maybe we could work something out.
You might sug
> On Apr 15, 2018, at 09:44, Bill Gunshannon via cctalk
> wrote:
>
>
>
>> On 04/15/2018 02:28 AM, r.stricklin via cctalk wrote:
>>> On Apr 14, 2018, at 4:00 PM, Bill Gunshannon via cctech wrote:
>>>
>>> I'm familiar with Univac's having worked on the 1100 many moons ago,
>>> But look at the
On 5/6/2018 1:19 PM, Paul Koning via cctalk wrote:
>
>
>> On May 5, 2018, at 2:32 PM, Chuck Guzis via cctalk
>> wrote:
>>
>> On 05/05/2018 10:23 AM, Pete Lancashire via cctalk wrote:
>>> Core temp was a big issue even in commercial environments. You didn't see
>>> it temp but you would see core
On 5/20/2018 9:31 PM, Randy Dawson via cctalk wrote:
> For a while I have collected bits of legacy CAD, most recently Martin
> Hepperle sent me what I believe is the last version of Hank Christianson's
> MOVIE.BYU, a FORTRAN based 3D modeling and animation system.
>
> I also have experimented wi
On 5/22/2018 5:18 PM, John Foust via cctalk wrote:
> At 09:31 AM 5/22/2018, Jay Jaeger via cctalk wrote:
>> I still have an Intergraph IP2000 workstation (with software loaded),
>> install media (but not license keys to load it) and Intergraph disk
>> controllers, high spe
On 5/23/2018 9:28 AM, JP Hindin via cctalk wrote:
>
>
> On Tue, 22 May 2018, Jon Elson via cctalk wrote:
>> so I use Thunderbird on a Linux platform. It is awfully slow.
>> Sometimes it takes 5 minutes to download 3 messages when I start it up.
>>
>> At home I use Thunderbird with standard Linu
On 5/26/2018 3:15 PM, Dave Wade via cctech wrote:
> Folks,
>
>
>
> Well in case any one has the slightest bit of interest, I have now plugged
> the RAID card back in and after replacing on of the drive carriers I can get
> five of the six drives to spin up. Its now copying stuff to
FYI, the service under which I have been hosting my website for many,
many years is going away.
So, webpages.charter.net/thecomputercollection
Has been relocated to
www.computercollection.net
(The content is unchanged for now).
This will also give me the freedom to eventually post lots more (a
Wow. It is rare to see anything related to the IBM 1410. The two sales
models with the 1415 console (one with a 13xx disk, the other with two
729 tape drives) were mouth watering...
It was interesting to see the time clock (perhaps from S/N 00360?) as
well - complete with key.
Maybe they will s
FYI, I have a design for a RS-232 interface to the Documation M series
interface, based on a PIC 16F877. The design is in turn based on one
that does not use a PIC, that Al Kossow shared with me some time back -
and is designed to work with the same software on the PC side (at least
if I recall co
The information on my Documation card reader interface have now been
uploaded, and is available at:
https://drive.google.com/drive/folders/13KyRN4NuHIlTlBhoHiWZWmIfLwQbP5jn?usp=sharing
On 9/24/2018 5:58 PM, Jay Jaeger via cctalk wrote:
> FYI, I have a design for a RS-232 interface to
On 10/7/2020 8:41 AM, Ethan Dicks via cctalk wrote:
> On Wed, Oct 7, 2020 at 5:07 AM Peter Allan via cctalk
> wrote:
>> I am looking for the following software products for a PDP-11, ideally to
>> be run on RSX-11M.
>>
>> RJE/HASP
>> 2780/3780 Protocol Emulator
>
> I used to do this with specialt
"However, once it reaches the Timing Error Skip Instruction and Logic
Test, it fails with the following:
> TIMING ERROR SKIP INSTRUCTION AND LOGIC
> TIMING ERROR STATUS BIT NOT SET IN COMMAND REGISTER
>
> TIMING ERROR DOES NOT CLEAR WRITE FLIP/FLOP "
If at this point it is doing a wrap-around test
On 10/16/2020 1:37 PM, David Gesswein via cctalk wrote:
>Noticed in another thread an 8L is upcoming on the persons restoration
> list. Making separate post so more visible. The G228's have a 20 uF 50V
> electrolytic capacitor on them. I have had two short. When they short its
> a race between
On 10/18/2020 10:59 PM, Chris Zach via cctalk wrote:
> Weird. Set all the switches for the 11/24 CPU and Unibus map, and still
> nothing coming out of the serial port. Figured I would document the
> settings and see if anyone with an 11/24 can cross-check my settings.
>
> Serial: Because my VT52 h
On 10/20/2020 9:05 PM, Chris Zach via cctalk wrote:
> Now I'm starting to look through boxes to see if I have another 11/24
> CPU. I seem to recall picking a second one up somewhere, I also want to
> see if I still have the driver board for the second Plessy core memory.
> Might be around, might ha
On 10/21/2020 11:36 AM, Noel Chiappa via cctalk wrote:
> > From: Jay Jaeger
>
> >> 2--M7134 KT24 Memory map
>
> > M7891 UNIBUS Memory (256K, I think, presumably addressed for 0).
>
> If that's all the memory you have, the KT24 isn't real
On 10/21/2020 11:36 AM, Noel Chiappa via cctalk wrote:
> > From: Jay Jaeger
>
> >> 2--M7134 KT24 Memory map
>
> > M7891 UNIBUS Memory (256K, I think, presumably addressed for 0).
>
> If that's all the memory you have, the KT24 isn't real
Oh, man.. I am really sorry to hear that. I think we have
corresponded before.
But, if you have insurance, I would encourage you to at least see a
Doctor somewhere. I had a brother in law who got 2 years of pretty good
quality of life with Keytruda before succumbing to a blood infection (at
I may have a little info - but the info is in storage, and it is just a
"Western Peripherals Instruction Reference Card", apparently referring
to the DC-230, PDP-11 and TC-130 (the latter being a tape controller,
for which I do have some doc.)
Once the weather warms up again - say, maybe this
I scanned the reference card I had - appears to be a RK11 compatible
disk controller (but maybe/maybe not compatible at the drive bus level?)
https://drive.google.com/drive/folders/1HBHDnEnpwE9OzDQjHEEasqci8KOfsw4p?usp=sharing
(Al Kossow: Free free to grab, as always.)
JRJ
On 3/12/2021 5:02
On 4/25/2021 3:55 PM, Mattis Lind via cctalk wrote:
Den sön 25 apr. 2021 kl 22:43 skrev Josh Dersch via cctalk <
cctalk@classiccmp.org>:
Hi all --
In addition to the 11/45 project I'm also working on restoring an RF08/RS08
fixed head disk/controller (in the vain hopes of one day running TSS/8
The last 12 months I have been pretty busy working on my 1410 in FPGA
project, and there is now more to share, though I have not done much
actual work since February - been too busy playing with other "toys". 8D
First, I finished working through all of the IBM 1410 and IBM 1415
Automated Logi
On 5/2/2021 4:29 PM, Fritz Mueller wrote:
Wow, what a project -- super cool, Jay!
You can read more about my travails at
https://www.computercollection.net/index.php/ibm-1410-fpga-implementation/
The idea is to get timing accuracy - down to the logic block level. If
I run the system "oscillator" (which is really a clock divider on the
FPGA development board clock) at the same speed as the original, then it
should run at pretty much the same speed as the original - much MUCH
slower t
On 5/3/2021 7:15 AM, Tom Hunter via cctalk wrote:
I think this implementation would give definitive answers to some of the
obscure corner cases which may not be well documented and thus may not be
correctly emulated in software. So even if never implemented on an actual
FPGA this is very valuable
On 5/3/2021 6:23 PM, Michael Thompson via cctech wrote:
Date: Sun, 2 May 2021 15:38:33 -0500
From: Jay Jaeger
Subject: IBM 1410 FPGA Implementation Update - new github repository
Message-ID: <68c06711-e563-f1bf-8abc-090793bed...@charter.net>
The last 12 months I have been prett
On 5/4/2021 1:00 PM, Peter Dreisiger via cctalk wrote:
Firstly, apologies if my response doesn't show up nicely in this thread --- I
only receive the daily digests so I'm not sure how best to reply to a specific
post...
But on the subject of sourcing / making video cables with 3W3 connectors
I think a lot of the time audio-phools, if they will be honest with
themselves, are really trying to recreate the stereo (or even HiFi)
sounds of the 1960s because they have fond memories and like it better.
THAT I have no problem with whatsoever.
What gets annoying is when the phools try and
On 5/5/2021 7:18 PM, Jules Richardson via cctalk wrote:
On 5/5/21 6:09 AM, Mark Linimon via cctalk wrote:
On Tue, May 04, 2021 at 10:07:28PM -0700, Chuck Guzis via cctech wrote:
"Power for the basic computer consists of one 250 kva, 400 Hz motor
generator set. The motor-generator set has the c
On 5/6/2021 12:14 AM, Chuck Guzis via cctalk wrote:
On 5/5/21 6:40 PM, Jay Jaeger via cctalk wrote:
While I was in grad school at U.W. (the one in Wisconsin) we had
obtained via surplus an IBM 7094 II from military surplus - I seem to
recall WSMR (White Sands Missle Range). Of course, it had
On 5/6/2021 8:26 AM, Jay Jaeger via cctalk wrote:
Apparently, yes: https://dl.acm.org/doi/10.1145/365660.365671
https://docs.lib.purdue.edu/dissertations/AAI7003878/
https://minds.wisconsin.edu/bitstream/handle/1793/57766/TR160.pdf?sequence=1&isAllowed=y
The last two papers invo
I have a couple spares made of wood that I and a friend put together. I
know I have two for sure - may have a couple more in storage. Stores
the disks vertically (which is probably better than storing them
horizontally). Not as space efficient as wire racks of course. 7 disk
packs stored in
I’d like a copy. This is the card version?
Sent from my iPhone
> On Jun 22, 2021, at 3:28 PM, Van Snyder via cctalk
> wrote:
>
> On Tue, 2021-06-22 at 15:44 -0400, Paul Koning via cctalk wrote:
>> The Electrologica ALGOL compilers used somewhat similar mixtures of
>> pseudocode and machine
On 6/26/2021 9:11 PM, Al Kossow via cctalk wrote:
On 6/26/21 3:42 PM, Jules Richardson via cctalk wrote:
The panels at the tops of the racks all seem to say Adage. Perhaps the
blinkenlights panel is theirs, too?
The entire system is an Adage Graphics Terminal
There are some docs now up
On 7/11/2021 9:33 AM, Eric Moore via cctalk wrote:
Hello, I am looking for any of the following items. I have terminals and
assorted qbus and S100 cards for trade, or am happy to discuss payment :).
1) Qbus scsi card
You and me both. ;) I have one - and I intend to keep it.
2) Emulex TC01
On 7/20/2021 6:59 AM, Eric Moore wrote:
>> 11) ESDI disk emulator
>
> I am not aware of any such beasties in the wild. MFM, yes, but I
haven't seen ESDI. I would love for such a thing to exist,
thinking of my Apollo, 3B2 and IBM RT/PC workstations.
I’d also love t
Over the past few weeks I have been playing with the COBOL, FORTRAN and
RPG compilers that are present on the IBM 1410 PR108 Processor Operating
system tape, available at:
http://piercefuller.com/library/kau1401s.html (it is really 1410) and
https://sky-visions.com/ibm/ibm7010_soft.shtml (For u
On 7/20/2021 7:34 PM, Josh Dersch wrote:
On Tue, Jul 20, 2021 at 4:06 PM Jay Jaeger via cctalk
mailto:cctalk@classiccmp.org>> wrote:
On 7/20/2021 6:59 AM, Eric Moore wrote:
>
>
> >> 11) ESDI disk emulator
> >
> > I
On 7/23/2021 11:48 AM, Rob Jarratt via cctalk wrote:
I gave up trying to repair this PSU myself and I have got someone to do it
professionally. It seems they have it working well but think that two
capacitors should still be replaced. I think these are the two big "Coke
Can" sized filter capacit
James, I am located in Madison WI. I would need to fire up my SCSI 9
Track drive (software on Linux) and test it as I have not used in a
couple of years, but I have done recovery of old tapes from this era
before, and have a primitive setup for "baking" tapes before trying to
read them.
Assu
tware
would read blocks forward and backward, including the parity frames, and
make corrections.
Van Snyder
On Wed, 2021-08-04 at 09:25 -0500, Jay Jaeger via cctech wrote:
James, I am located in Madison WI. I would need to fire up my SCSI 9
Track drive (software on Linux) and test it as I have
Some thoughts
On 8/4/2021 4:14 PM, Chuck Guzis via cctech wrote:
Whoever does it, I have a few suggestions when it comes to 40+ year old
tapes.
1) Bake the thing at 58C for a day or two. It might just prevent you
from staring at a tape stuck to the head and a pile of brown dust at the
bottom o
by anyone.
paul
On Aug 5, 2021, at 8:39 AM, Jay Jaeger via cctech wrote:
I know Paul well (we were contemporaries at U. WI). He does not do that very
often. He did not indicate any issue with a fire at the building that contains
his collection when I last spoke with him.
He does
On 8/5/2021 9:28 AM, James Liu wrote:
On Wed, Aug 4, 2021 at 10:25 AM Jay Jaeger wrote:
Thanks, Jay (and others) for offering your assistance. I've asked
Chuck to have a look at the tape, and we'll see how it goes.
Great!
Given the name "IEBUPDTX" this tape was c
On 8/5/2021 2:57 PM, Len Shustek via cctalk wrote:
> On Aug 5, 2021, at 8:39 AM, Jay Jaeger via cctech
wrote:
> I know Paul well (we were contemporaries at U. WI). He does not do
that very often. He did not indicate any issue with a fire at the
building that contains his collection
On 8/6/2021 12:21 PM, John Foust via cctalk wrote:
At 11:45 AM 8/6/2021, Jay Jaeger via cctalk wrote:
On 8/5/2021 2:57 PM, Len Shustek via cctalk wrote:
On Aug 5, 2021, at 8:39 AM, Jay Jaeger via cctech wrote:
I know Paul well (we were contemporaries at U. WI).
Where did Paul work at UW
ROTFL - especially given the earlier case, and since Noel knows about
you folks quite well..
Typically I search the "mirror" on my drive first (which I update about
once/year), then if I come up empty, search the bitsavers site.
BTW I hope to scan the Xenix manuals tomorrow. If not, it will
On 8/10/2021 6:30 PM, Noel Chiappa via cctalk wrote:
> From: Jay Jaeger
> ROTFL - especially given the earlier case, and since Noel knows about
> you folks quite well..
The joke's actually on you:
DQ11_RevL_Engineering_Drawings_Aug75.pdf 20
On 7/29/2021 1:22 PM, Mark Huffstutter via cctech wrote:
Yes, I sadly, learned that important lesson years ago, after finding My
"Original" Original PC DOS diskette set pretty much destroyed, left in
The folders in storage for too long.
-Original Message-
From: cctalk [mailto:cctalk-
On 8/14/2021 11:53 PM, Warner Losh via cctalk wrote:
On Sat, Aug 14, 2021 at 3:26 PM jim stephens via cctalk <
cctalk@classiccmp.org> wrote:
> I'm running Ultrix V2 on Simh quite happily today and have a couple
I did some quick searching and couldn't find a Ultrix-11 V2 image out in
the in
> On Aug 15, 2021, at 10:08, Bill Gunshannon via cctalk
> wrote:
>
> On 8/15/21 12:45 AM, Warner Losh via cctalk wrote:
>>> On Sat, Aug 14, 2021 at 2:36 PM Warner Losh wrote:
>>>
>>>
>>> On Sat, Aug 14, 2021, 2:08 PM Douglas Taylor
>>> wrote:
>>>
On 8/14/2021 1:54 PM, Warner Losh wr
On 8/10/2021 10:30 PM, Jay Jaeger via cctech wrote:
On 7/29/2021 1:22 PM, Mark Huffstutter via cctech wrote:
Yes, I sadly, learned that important lesson years ago, after finding My
"Original" Original PC DOS diskette set pretty much destroyed, left in
The folders in storage fo
On 8/21/2021 3:44 PM, Bill Degnan via cctalk wrote:
On Sat, Aug 21, 2021 at 1:49 PM Noel Chiappa via cctalk <
cctalk@classiccmp.org> wrote:
> From: Bill Degnan
> Was there a UNIBUS storage system that used a cassette player as the
> storage device .., rigged to send receive s
On 8/17/2021 1:39 PM, Paul Koning via cctalk wrote:
I thought V7M and Ultrix were entirely diferent and unrelated things.
At least on the Pro, DEC released a betal version of the one (which I tried when it came
out) and then canceled it and replaced it by a release of the other. I forgot which
On 8/21/2021 10:50 PM, Jay Jaeger via cctalk wrote:
On 8/17/2021 1:39 PM, Paul Koning via cctalk wrote:
I thought V7M and Ultrix were entirely diferent and unrelated things.
At least on the Pro, DEC released a betal version of the one (which I
tried when it came out) and then canceled it and
On 8/23/2021 8:51 PM, Van Snyder via cctech wrote:
On Tue, 2021-08-24 at 01:38 +0100, Tom Stepleton via cctalk wrote:
For the sake of illustration to folks who are not necessarily used to
thinking about what computers do at the machine code level, I'm
interested
in collecting examples of single
I don't have that code, however a couple of points:
First of all, I think Vector Graphic actually used Micropolis drives
(and I suspect yours are because of the hard sectoring). I have
Micropolis drives on my Altair. Back in 2006 I imaged my floppies - by
reading the sectors on my Altair and
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