We have this Precision Instruments PI1200 7 track tape drive. It can do 200
bpi, 556 bpi and 800 bpi. It should be an incremental type tape drive.
Once upon a time (read seventies) it was used for experiments storing PCM
audio on tape. But has since then not been used. The manual is somewhere
near
On Wed, Dec 16, 2015 at 8:01 PM, Brent Hilpert wrote:
> On 2015-Dec-15, at 6:21 PM, Mike Ross wrote:
>> On Wed, Dec 16, 2015 at 11:43 AM, Mike Stein wrote:
>>
>> I have taken Brent up on that :-)
>>
>> I'll poke a bit more myself and see what we can work out together
>> before I decide if the eff
I have the following for sale from zip 61853. The "L" boards are up to 2
for $10 shipping within USA, 3 for $10 shipping for the "M" boards.
For larger quantity, overseas shipments, or other question, please contact
me off list.
Quantities are limited, and I may have some third party memory i'll
My Dad used to bring home bits of dead System/360 from work, my brother and I
would of course pull this stuff to bits 'just to see what was inside'.
Printer trains, SLT cards, a pile of SMS cards from his earlier workings with
IBM 650s, all sorts of bits of electronic and electromechanical items. D
> On Dec 16, 2015, at 4:19 PM, Liam Proven wrote:
>
> TIL modern Intel chipsets have a hidden SPARC core (inside Intel's
> Management Engine)
> https://recon.cx/2014/slides/Recon%202014%20Skochinsky.pdf … (2014)
>
Don’t get me started on ME. Also be careful about inferring too much from
Baytr
On 14 December 2015 at 23:16, Ian S. King wrote:
> And think of all the PDP-8s *still* buried in the control units of
> factories across the world. The majority of these machines had no
> displays, not even teleprinters. Some had custom controls wired in through
> stock or custom modules, and so
On Dec 15, 2015 16:36, "Glen Slick" wrote:
> The main manual is already available online. I could image the CD-ROMs
> from both boxes (not sure if they are actually different between the
> two) and make that available to archive if it is not already archived
> somewhere so nothing would be really
On 12/16/2015 1:29 PM, Mike Stein wrote:
So you can definitely do lots of useful stuff without a screen,
although I imagine NetFlix or YouTube on a Selectric terminal might
lose something...
m
Yes, Audio. :-)
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck
> Guzis
> Sent: 16 December 2015 22:14
> To: jwsm...@jwsss.com; General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: IBM CMS dumpfile idiocy
>
> On 12/16/2015 01:19 PM, jwsmobile wro
On 12/16/2015 4:58 PM,
m...@markesystems.com wrote:
Yep. Among the things that I have
given away (to Goodwill, or possibly
Salvation Army) - all in running
condition:
- A complete HP-1000 system: A600
processor with internal hard drive,
serial card + 8-port serial mux, all
floppies,
On 12/16/2015 11:48 AM, Jon Elson wrote:
> On 12/16/2015 11:01 AM, Jay Jaeger wrote:
>> Anywho, I was looking at a couple of 19" racks containing an odd
>> computer of some sort. Had this funny square keyboard, and what looked
>> like LINCTapes to me. Looked kinda "home brew", using DEC Flip Chips.
> On Dec 16, 2015, at 3:58 PM,
> wrote:
>
> I'm going to go shoot myself now.
At least nothing you’ve destroyed was the last example on earth.
I drove two RM03s cross-country without locking the heads, then destroyed a
stack of rare PDP-10 disk packs (including a RED pack and an ITS system
Mark wrote...
-
Among the things that I have given away (to Goodwill, or possibly Salvation
Army) - all in running condition:
...[snip a list of equipment I'd *LOVE* to have]...
-
I just put in an application for employment at Goodwill/Salvation army ;)
J
From: j...@mercury.lcs.mit.edu (Noel Chiappa)
Subject: Re: Decisions you regret Was: Mystery IC: Allen Bradley
> From: Brent Hilpert
> I threw out a print-only selectric a few years ago ... Regret it now,
> just because it would have been fun to figure it out. C'est la vie.
I can top
On 12/16/2015 01:19 PM, jwsmobile wrote:
If it's an 80 byte record, the PSW is further into the block. the
first 80 positions from the Green card should be a clue.
No, the first record is 4101 bytes long. Interestingly, all blocks on
this tape are an odd number of bytes in length.
--Chuck
On Dec 16, 2015 8:54 PM, "Chuck Guzis" wrote:
>
> On 12/16/2015 12:11 PM, Dave Wade wrote:
>>
>>
>> p.s. any luck in extracting the files?
>
>
> Yes! Peter Coghlan has graciously offered to jump into the fray and take
care of this. Results will make for a very happy customer.
>
OK ask off line
> On Dec 16, 2015, at 3:25 PM, Robert Jarratt
> wrote:
>
>> ...
>> Similarly, there are manuals I used to have that have disappeared; many of
>> those exist elsewhere so I can still get the data, but some I have not
> seen.
>> CDC Algol 68 manual? CDC 7054 buffer controller programming manual?
From the IBM 360/40 functional characteristics:
When IPL is initiated, the selected input device starts reading. The
first 24
bytes read are placed in storage locations 0-23. Storage protection,
program
controlled interruption, and a possible incorrect length indication are
ignored. The doub
No psw on a cms tape. It's just a dump of the disk blocks.
On Dec 16, 2015 9:24 PM, "jwsmobile" wrote:
> If it's an 80 byte record, the PSW is further into the block. the first
> 80 positions from the Green card should be a clue.
>
> thanks
> jim
>
> On 12/16/2015 12:35 PM, Chuck Guzis wrote:
>
If it's an 80 byte record, the PSW is further into the block. the first
80 positions from the Green card should be a clue.
thanks
jim
On 12/16/2015 12:35 PM, Chuck Guzis wrote:
On 12/16/2015 12:03 PM, jwsmobile wrote:
Does the first block have a PSW looking thing in the appropriate
start, a
Has anyone dumped the contents of the bipolar PROMs of the M7859, KY11-LB,
programmer's console form the 11/34 and 11/04? Dump for both the program
PROMS (512x4 4 pieces) and the decoding PROM (32x8 one piece) are sought
after.
It has a 8008 chip onboard but my logic analyzer trace is not matching
>
> > This is a 1980s all-in-one business desktop computer with 2 internal
> > 8" drives. Based on an 8085 CPU.
>
> Actually, a 70s micro--I used to work with the guys who did a lot of the
Right. I was going by the date codes on the ICs, etc. Makes sense it
could be earlier.
They should have c
On 12/16/2015 12:11 PM, Dave Wade wrote:
p.s. any luck in extracting the files?
Yes! Peter Coghlan has graciously offered to jump into the fray and
take care of this. Results will make for a very happy customer.
A lot of this conversion stuff is coming down to the question "Will I
ever s
On 12/16/2015 12:03 PM, jwsmobile wrote:
Does the first block have a PSW looking thing in the appropriate
start, and an I/O program to boot the next record from the boot
device?
Not to my eye--it starts off thusly:
02 c3 d4 e2 c6
Looks more like 02 "CMSF"
--Chuck
On Sat, Dec 12, 2015, Mike wrote:
> The one question I do have for the older gentlemen on here is what in the
> world did the computers without a screen to look at do? Now I know about the
> tape, cassette tape's and even the paper with the hole punches in them but
> what kind of applications we
On Tue, Dec 15, 2015 at 11:50 PM, Paul Anderson wrote:
> opps... The "N" parts are easier to find.
>
> On Tue, Dec 15, 2015 at 5:49 PM, Paul Anderson wrote:
>
> > I think that is a BA11-M in the picture. The M parts are easier to find.
> >
> > On Tue, Dec 15, 2015 at 2:48 PM, Pontus Pihlgren
>
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Holm
Tiffe
> Sent: 16 December 2015 17:27
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: VAX 4000-500 PSU Overload?
>
> Robert Jarratt wrote:
>
> ...sounds very similar to my e
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul
> Koning
> Sent: 16 December 2015 17:12
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: Decisions you regret Was: Mystery IC: Allen Bradley 314B102
>
> There are similar reg
From: Jay West
Sent: Wednesday, December 16, 2015 7:57 AM
> After a time my parents ordered them out of the house and a "friend" agreed
> to store them. A few weeks after moving them to his house, he informed me
> that he gave them away and wouldn't tell me to who/where.
Apparently they've never
>
> > CMS TAPE files are not intended to be used by other systems and the
> > format is undocumented (well except a little in the source code) and
> > has changed several times as disk formats have changed.
>
> I've been on the receiving end of this before--several times. Damned
> inconsiderate
On 12/16/2015 11:43 AM, Chuck Guzis wrote:
On 12/16/2015 11:11 AM, Dave Wade wrote:
CMS TAPE files are not intended to be used by other systems and the
format
is undocumented (well except a little in the source code) and has
changed
several times as disk formats have changed.
I've been on
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jason T
> Sent: 15 December 2015 22:34
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: Anyone want a copy of DIGITAL ServerWORKS Manager ?
>
> On Tue, Dec 15, 2015 at 2:43 PM, Gl
On 12/16/2015 10:08 AM, Chuck Guzis wrote:
On 12/16/2015 07:57 AM, Paul Koning wrote:
IBM standard labels are older than ANSI. Then again, IBM (in OS/360
at least) had something they called "ANSI label" that were not
actually ANSI at all. They used "8 bit ASCII" which was a bizarre
code crea
From: Paul Koning
Sent: Wednesday, December 16, 2015 7:58 AM
> IBM standard labels are older than ANSI. Then again, IBM (in OS/360 at
> least) had something they called "ANSI label" that were not actually ANSI at
> all. They used "8 bit ASCII" which was a bizarre code created from standard
> 7 b
On 12/16/2015 7:57 AM, Paul Koning wrote:
On Dec 15, 2015, at 10:10 PM, Chuck Guzis wrote:
On 12/15/2015 01:48 PM, Dave Wade wrote:
What I meant was are they still on 9-track, or some kind of
tape-in-a-file disk? IBM tapes are usually written to AWS format
files not the formats (.TAP ?) used
On 12/16/2015 11:11 AM, Dave Wade wrote:
CMS TAPE files are not intended to be used by other systems and the format
is undocumented (well except a little in the source code) and has changed
several times as disk formats have changed.
I've been on the receiving end of this before--several times
From: Christian Gauger-Cosgrove
Sent: Tuesday, December 15, 2015 4:25 PM
> Also, I really want one of those 2741s. Selectrics that can do I/O are
> *bleep*ing cool.
2741s are OK. I much preferred the 2740, though. We had those at the
Computer-Assisted Instruction Laboratory at the UTexas School
Chuck wrote
> ... without screens, we might be better off today ...
*Genuflects*
Amen.
J
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck
> Guzis
> Sent: 16 December 2015 18:08
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: IBM CMS dumpfile idiocy
>
> On 12/16/2015 07:57 AM, Paul Koning wrote:
>
> > IBM st
On 12/16/2015 10:07 AM, tony duell wrote:
I suspect the answer is no, but before I spend a few afternoons
tracing out the diagrams, does anyone have a schematic or (real)
service manual for the Diablo/Xerox 3000 computer, in particular the
MRPRO CPU board.
This is a 1980s all-in-one business des
On 12/15/2015 09:13 PM, Mouse wrote:
What would you do with a home no screen computer?
Depends on what counts as a "screen". If any visible output counts,
there isn't much - but I suspect you don't want to go that far.
You can connect to it from other computers. I have six machines
running r
>
> Tony, good advice but probably more work than I'm inclined to put in.
What I have suggested would take about 10 minutes tops. It has probably
taken me longer to type this message than it would take me to figure
that out.
> As you said there were many interfaces with different standards -
> d
I suspect the answer is no, but before I spend a few afternoons tracing out the
diagrams,
does anyone have a schematic or (real) service manual for the Diablo/Xerox 3000
computer, in particular the MRPRO CPU board.
This is a 1980s all-in-one business desktop computer with 2 internal 8" drives.
B
This was the five-part seminal description of the S/360, published in the
IBM Systems Journal, Volume 3, Number 2.
I've very much like to read all five parts. Does anyone have a copy that
might be shared?
Thank you,
paul
On 12/16/2015 07:57 AM, Paul Koning wrote:
IBM standard labels are older than ANSI. Then again, IBM (in OS/360
at least) had something they called "ANSI label" that were not
actually ANSI at all. They used "8 bit ASCII" which was a bizarre
code created from standard 7 bit ASCII by moving one o
I'm interested in the blinkenlitz! Of course, I'm interested in the
controller even without that too!
On Wed, Dec 16, 2015 at 10:43 AM, Noel Chiappa wrote:
> > I'm trying to get a sense of how much demand there would be for the
> > indicator panel option (for parts ordering; I have a chan
Robert Jarratt wrote:
> > Tonight I replaced the leaking capacitors on the +12V/-12V board, and also
> > replaced the two similar ones that looked and measured fine. I put the PSU
> > back together, put in a couple of less important boards and drives, and
> the
> > machine now seems to power on OK
On 12/16/2015 11:01 AM, Jay Jaeger wrote:
Anywho, I was looking at a couple of 19" racks containing
an odd computer of some sort. Had this funny square
keyboard, and what looked like LINCTapes to me. Looked
kinda "home brew", using DEC Flip Chips. Well a couple of
years later I saw a photo of
There are similar regrets on a smaller scale. I have one or two of the
programs I wrote early on, in listing form. Most I did not save, nor did I
save paper tapes or card decks. I have none of the OS/360 programs I wrote in
college -- rather unfortunate because there were some unusual things
On 12/16/2015 9:17 AM, Noel Chiappa wrote:
> > From: Brent Hilpert
>
> > I threw out a print-only selectric a few years ago ... Regret it now,
> > just because it would have been fun to figure it out. C'est la vie.
>
> I can top that.
>
> MIT offered me (as a gift) the PDP-11/45 that
Sorry for that BAD stuff in the Subject line - my e-mail provider
stuffs that in much of the time and I forget to remove it when I reply.
If anyone needs a clean copy, I can send it again!
Jerome Fine
> I'm trying to get a sense of how much demand there would be for the
> indicator panel option (for parts ordering; I have a chance to buy some
> discontinued stuff, and I want to know how much to stock up on). If you
> would be interested in one or more indicator panels, could you
>Tapley, Mark wrote:
On Dec 16, 2015, at 9:22 AM, Jerome H. Fine wrote:
Note that for many CPUs, adding values (a push) results in the
stack pointer becoming numerically smaller (unsigned of course).
Internally, the code would handle the actual arithmetic.
(Warning: assembly language noob
On Dec 16, 2015, at 9:22 AM, Jerome H. Fine wrote:
> Note that for many CPUs, adding values (a push) results in the
> stack pointer becoming numerically smaller (unsigned of course).
> Internally, the code would handle the actual arithmetic.
(Warning: assembly language noob talking, please disre
So I've mention that Dave Bridgham and I are working on a new QBUS board (the
'QSIC', for lack of a more imaginative name) that will emulate a variety of
older DEC disk controllers/drives using a micro-controller/FPGA and SD cards.
(We currently have one prototype [for Dave] mostly constructed, and
On 16 December 2015 at 15:17, Noel Chiappa wrote:
> the time (I was on the IESG at that point) to deal with arranging to get it
> shipped down to me. They gave it to someone else, and near as I can work
> out,
> eventually it got scrapped.
>
> Every time I think about it I kick myself... Sigh!
>
> On Dec 15, 2015, at 10:10 PM, Chuck Guzis wrote:
>
> On 12/15/2015 01:48 PM, Dave Wade wrote:
>> What I meant was are they still on 9-track, or some kind of
>> tape-in-a-file disk? IBM tapes are usually written to AWS format
>> files not the formats (.TAP ?) used by SIMH... Some source to extr
Noel wrote
-
Every time I think about it I kick myself... Sigh!
Although I suspect a lot of people here have stories like that...
-
Yeah Noel, we all do. I had a couple different really great machines offered
to me long before I got into collecting. A DG nova 3
> From: Brent Hilpert
> I threw out a print-only selectric a few years ago ... Regret it now,
> just because it would have been fun to figure it out. C'est la vie.
I can top that.
MIT offered me (as a gift) the PDP-11/45 that I used to run; it included a
pair of CalComp 50MB drives,
I have been investigating the possibility of adding an enhanced
feature to a debug program. There does not seem to be anything
specific about the concept, so it should be applicable to every
current CPU in addition to most old CPUs.
The current syntax for many debuggers uses the letter "S" along
On Sat, Dec 12, 2015, Mike wrote:
> The one question I do have for the older gentlemen on here is what in the
> world did the computers without a screen to look at do? Now I know about the
> tape, cassette tape's and even the paper with the hole punches in them but
> what kind of applications
> What would you do with a home no screen computer?
Depends on what counts as a "screen". If any visible output counts,
there isn't much - but I suspect you don't want to go that far.
You can connect to it from other computers. I have six machines
running right now with no screens on them (thou
On 2015-Dec-15, at 6:21 PM, Mike Ross wrote:
> On Wed, Dec 16, 2015 at 11:43 AM, Mike Stein wrote:
>
> I have taken Brent up on that :-)
>
> I'll poke a bit more myself and see what we can work out together
> before I decide if the effort is worth it.
First crack can be picked up here:
On 2015-12-15 10:21 PM, Mike Ross wrote:
I have taken Brent up on that :-)
I'll poke a bit more myself and see what we can work out together
before I decide if the effort is worth it.
http://www.corestore.org
'No greater love hath a man than he lay down his life for his brother.
Not for million
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