On 12/14/2015 04:31 PM, Mike wrote:
What would you do with a home no screen computer? I mean what could
be done with one that would benefit your work / hobby. I mean NO
DISREPECT by asking this question.
I saw plenty of early home computers with TTY or Selectric I/O. If you
could find a time
On 15 December 2015 at 01:31, Mike wrote:
>
> On 12/14/2015 08:21 PM, Chuck Guzis wrote:
>> Personally, I think the world is GUI-addicted.
>>
>> --Chuck
>>
> Chuck If I may ask...
>
>
> What would you do with a home no screen computer? I mean what could be
> done with one that would benefit you
Just finished reading a 9 track tape made with IBM CMS in its dumpfile
format.
Why on earth--or might I say, what idiot--designed this format? First
the file data in a series of records, *then* the file name and other
metadata.
Anyone know of a DOS/Windows/Unix utility to unravel one of the
On 12/14/2015 06:05 PM, Paul Koning wrote:
I've only ever seen them called "12" and "11" for the top and next
rows respectively. For example, the card code listing on the IBM 360
"green card" shows them that way (e.g., A is 12-1).
Same here. But it's not outside the range of possibility that
On 2015-Dec-14, at 2:02 PM, Mike Ross wrote:
>
> - intention was to rip all this out and convert it to a full I/O
> serial terminal, using an Arduino-based setup that Lawrence Wilkinson
> has already built and tested:
> https://www.flickr.com/photos/ljw/sets/72157632841492802/with/9201494189/
> -
2015-12-15 3:15 GMT+01:00 william degnan :
> On Mon, Dec 14, 2015 at 1:33 PM, Mattis Lind wrote:
>
> > 2015-12-14 17:12 GMT+01:00 william degnan :
> >
> > > Just to change the subject..
> > >
> > > There were "S" and an "NC" version of 11/05 high profile system. Why?
> > >
> > > I am curious if
> From: William Degnan
> *why* did they make these two versions of the high-profile 11/05?
> What was one used for vs. the other? *Why did DEC do this*?
Check the dates on the machines. I'm pretty sure the -NC is the earlier
version, with the bespoke H750 power supply (mounted alongsi
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick
> Sent: 14 December 2015 22:33
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Anyone want a copy of DIGITAL ServerWORKS Manager ?
>
> Before I chuck these in the recycle
> - intention was to rip all this out and convert it to a full I/O serial
> terminal, using an Arduino-based setup
> that Lawrence Wilkinson has already built and tested:
> https://www.flickr.com/photos/ljw/sets/72157632841492802/with/9201494189/
Looks very nice! Is there documentation f
On 15/12/2015 00:31, Mike wrote:
On 12/14/2015 08:21 PM, Chuck Guzis wrote:
On 12/14/2015 03:53 PM, Jay West wrote:
In any case... early computers without screens weren't necessarily so
"early" in the scheme of things, and often did process control and
test & measurement :)
The IBM 1710 di
Solder side pic sent to your email! Thanks!
On Dec 16, 2015 2:22 AM, "Brent Hilpert" wrote:
> On 2015-Dec-14, at 2:02 PM, Mike Ross wrote:
> >
> > - intention was to rip all this out and convert it to a full I/O
> > serial terminal, using an Arduino-based setup that Lawrence Wilkinson
> > has alr
>
>
>
> Yes, and my guess that they are of different vintage. The BA11-D is the
> older box used for the NC and the BA11-K is the more modern box used for
> the S model. Over the years the memory requirements increased and thus they
> had to increase the density.
>
> I think the NC/ND models are th
On 12/14/2015 08:13 PM, Jason Howe wrote:
> On 12/13/2015 10:17 AM, william degnan wrote:
>> I have found that most vintage ribbons can be replaced with new
>> ribbons for
>> new devices. Worst case you may find the right width but you'll have to
>> re-thread to fit the vintage spindle. Just ha
On 2015-12-15 1:54 AM, Paul Birkel wrote:
Looks very nice! Is there documentation for it somewhere? I also have
a Selectric (unfortunately it's located distant from me at the moment
so I can't provide particulars) that I worked on interfacing to a
micro in the mid-70's. I was using a MC6800 in
> On Dec 15, 2015, at 12:54 AM, Paul Birkel wrote:
> ...
> I believe that the Selectric came configured for remote operation, but
> presumably using an EBCDIC-based data stream. I vaguely recall a DB-50
> connector, but it's been an awfully long time ...
>
> Does this description sound famili
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck
> Guzis
> Sent: 15 December 2015 05:37
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: Display-less computing
>
> On 12/14/2015 06:05 PM, Paul Koning wrote:
>
> > I've on
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Chuck
> Guzis
> Sent: 15 December 2015 06:21
> To: CCtalk
> Subject: IBM CMS dumpfile idiocy
>
> Just finished reading a 9 track tape made with IBM CMS in its dumpfile
> format.
>
> Why on earth--or m
>
> I guessed that might be the case... any suggestions for what were
> common pinouts and signals used? I can analyze 'backwards', testing
There were just about as many parallel interface versions as devices
that used them back then. Nothing 'common' really...
The idea of 7 or 8 data lines,
>
> > Well, 19 could be a general printer-ready pin in that if the paper runs
> > out it would say the printer is not ready for another character but
> > it might well also be put to the not-ready state when the printer
> > was printing the current character. Seen that before.
>
> Maybe, but Sele
I've only ever seen them called "12" and "11" for the top and next
rows respectively. For example, the card code listing on the IBM 360
"green card" shows them that way (e.g., A is 12-1).
Same here. But it's not outside the range of possibility that *someone*
called them X and Y, although I don
What would you do with a home no screen computer? I mean what could
be done with one that would benefit your work / hobby. I mean NO
DISREPECT by asking this question.
Use the lights.
Wish for a teletype
Buy Don Lancaster's books (How many copies did he sell?)
Not having a screen made it a li
>> [T]here's a whole lot of potential 'no, wait, I'm not ready!'
>> conditions. Would they all be ORed onto one pin?
> Why not? It's all the host really needs to know -- can I send
> another character or not.
Well...it can be very nice for the host to report "out of paper"
differently from "pape
On 2015-12-15 11:27 AM, Paul Koning wrote:
On Dec 15, 2015, at 12:54 AM, Paul Birkel wrote:
...
I believe that the Selectric came configured for remote operation, but
presumably using an EBCDIC-based data stream. I vaguely recall a DB-50
connector, but it's been an awfully long time ...
Does
> On Dec 14, 2015, at 10:21 PM, Chuck Guzis wrote:
>
> Just finished reading a 9 track tape made with IBM CMS in its dumpfile format.
>
> Why on earth--or might I say, what idiot--designed this format? First the
> file data in a series of records, *then* the file name and other metadata.
>
>
On 12/15/2015 07:37 AM, Dave Wade wrote:
The files are in the same format as on disk. The system just copies
them back to disk. What size are the blocks as I have a "C" utility
that will read the older smaller block size files. You can always
download Hercules and VM/370
Jim, Dave, Peter,
On 12/14/2015 06:31 PM, Mike wrote:
What would you do with a home no screen computer? I mean what could be
done with one that would benefit your work / hobby. I mean NO DISREPECT
by asking this question.
Well, that would severely limit things. But, it could still
be useful. I have one a
Needs some more for the read and write controls.
Is the address latched from the altairmicro? if not you'll need a latch using
the ALE.
You need to add a read port for the various status bits.
Dwight
From: cctalk on behalf of d...@661.org
Sent: Sunday,
HI,
I would take the bet that this IC is simply a R network, 1 KOhm, 1 resistor
"across" ie from pin 1 to opposite pin, from pin 2 to opposite pin, etc
What about simple and quick Ohmmeter check ??
---
L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel
antivi
On 12/15/2015 10:34 AM, GerardCJAT wrote:
I would take the bet that this IC is simply a R network, 1 KOhm, 1
resistor "across" ie from pin 1 to opposite pin, from pin 2 to
opposite pin, etc What about simple and quick Ohmmeter check ??
That was my first guess--the numbering matches th
From: Fred Cisin
Sent: Tuesday, December 15, 2015 9:12 AM
> My father claimed that the use of round holes on divergent cards was due
> to an attempt by IBM to patent the shape of the hole in the cards.
http://www-03.ibm.com/ibm/history/ibm100/us/en/icons/punchcard/
Prior to 1928, the holes in I
[Printer's Ready signal]
> > Why not? It's all the host really needs to know -- can I send
> > another character or not.
>
> Well...it can be very nice for the host to report "out of paper"
> differently from "paper jam" differently from "motor or position
> encoder failure" differently from "fa
On Wed, Dec 16, 2015 at 4:27 AM, Paul Koning wrote:
>
>> On Dec 15, 2015, at 12:54 AM, Paul Birkel wrote:
>> ...
>> I believe that the Selectric came configured for remote operation, but
>> presumably using an EBCDIC-based data stream. I vaguely recall a DB-50
>> connector, but it's been an aw
On 12/15/15 12:05 PM, Mike Ross wrote:
What other OSes might have native 2741 support built in, anyone know?
I would expect that IBM mainframe OS's would support it (especially
older ones). The issue there would be getting the 2741 connected up.
I have a DECWriter III with the APL option on
On Mon, Dec 14, 2015 at 10:49 PM, Robert Jarratt
wrote:
>
>> I have two boxes, QB-4QYAA-SA 3.2 sealed in shrink wrap, and QB-4QYAA-SA
>> 3.3 open box that is slightly crushed.
>>
>> The boxes (at least the still sealed one) look like this eBay item (not mine)
>> listing:
>> http://www.ebay.com/itm
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Robert
> Jarratt
> Sent: 13 December 2015 15:47
> To: 'General Discussion: On-Topic and Off-Topic Posts'
> Subject: RE: VAX 4000-500 PSU Overload?
>
>
>
>
> I have been able to remove the leaking o
Hi
It's a longshot. But recently I aquired two BA11-N. One is just the cage
and power supply. Looks just like this:
http://www.ricomputermuseum.org/_/rsrc/1300059803599/Home/equipment/dec-pdp-11-03/DEC_PDP-11_03-inside.jpg
The other came with mounting box but no front panel. I would like to
ma
On Tue, Dec 15, 2015 at 09:20:35PM +0100, Tomasz Rola wrote:
[...]
> Now, the funny stuff: I try "print preview" in Firefox and it shows me
> sixty three pages, because, you know, apart from the original article
> I was interested in there is a side frame with about twenty (forty?)
> others and for
On Wed, Dec 16, 2015 at 4:35 AM, tony duell wrote:
>>
>> I guessed that might be the case... any suggestions for what were
>> common pinouts and signals used? I can analyze 'backwards', testing
>
> There were just about as many parallel interface versions as devices
> that used them back then.
On Sun, Dec 13, 2015 at 01:18:01PM -0800, Chuck Guzis wrote:
[...]
>
> I've tried reading my email using text-to-speech software and felt
> like I wanted to throw the damned machine out the window.
I wonder how tts would manage with a website like nasa.gov ... Some
time ago they became javascript
On 15 December 2015 at 15:05, Mike Ross wrote:
> What other OSes might have native 2741 support built in, anyone know?
>
I might be completely wrong, but I think some of the early UNIX
versions might "speak" 2741. But I'm not sure. Perhaps a sufficiently
"vintage" RSX-11 might as well?
Of course
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy
> Sotomayor
> Sent: 15 December 2015 20:26
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: IBM Selectric-based Terminals
>
>
>
> On 12/15/15 12:05 PM, Mike Ross 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. I measured the ripple using the
On Wed, Dec 16, 2015 at 9:26 AM, Guy Sotomayor wrote:
>
>
> On 12/15/15 12:05 PM, Mike Ross wrote:
>>
>> What other OSes might have native 2741 support built in, anyone know?
>
> I would expect that IBM mainframe OS's would support it (especially older
> ones). The issue there would be getting th
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 extract some versions of these from AWS files (and windows
executables) are in this ZIP file:-
http://1drv.
On Tue, Dec 15, 2015 at 12:38 PM, 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
> machin
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy
> Sotomayor
> Sent: 15 December 2015 17:09
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: IBM CMS dumpfile idiocy
>
>
> > On Dec 14, 2015, at 10:21 PM, Chuck Guzis wrote:
- Original Message -
From: "Mike Ross"
Sent: Tuesday, December 15, 2015 3:41 PM
> On Wed, Dec 16, 2015 at 4:35 AM, tony duell wrote:
>> If you can identify the data lines on the connector you are getting there.
>> See if you
>> can trace the other pins to inputs or outputs.
>>
>> -ton
On Tue, Dec 15, 2015 at 2:43 PM, 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
> Hi
>
> It's a longshot. But recently I aquired two BA11-N. One is just the cage
> and power supply. Looks just like this:
>
> http://www.ricomputermuseum.org/_/rsrc/1300059803599/Home/equipment/dec-pdp-11-03/DEC_PDP-11_03-inside.jpg
>
> The other came with mounting box but no front panel. I would
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
wrote:
> Hi
>
> It's a longshot. But recently I aquired two BA11-N. One is just the cage
> and power supply. Looks just like this:
>
>
> http://www.ricomputermuseum.org/_/rsr
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
> wrote:
>
>> Hi
>>
>> It's a longshot. But recently I aquired two BA11
DEC made a Selectric interface called LT33 or something, consisting of
a general purpose parallel card for a PDP-8/E coupled to a small
chassis with a bunch of solenoid drivers and stuff for the Selectric.
I think it was a CSS product, so I doubt it was supported by any
official OS.
I have three o
On 15 December 2015 at 20:21, William Donzelli wrote:
> DEC made a Selectric interface called LT33 or something, consisting of
If I recall my DEC naming correctly, the LT33 is *not* for the
Selectric. It (and the corresponding LT35) are the modifications made
to private line Model 33 (and Model 35
On Wed, Dec 16, 2015 at 10:50 AM, Dave Wade wrote:
>> -Original Message-
>> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy
>> Sotomayor
>> Sent: 15 December 2015 20:26
>> To: General Discussion: On-Topic and Off-Topic Posts
>>
>> Subject: Re: IBM Selectric-based Term
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 extract
some versions of these from AWS files (and windows executable
On Wed, Dec 16, 2015 at 11:43 AM, Mike Stein wrote:
> - Original Message -
> From: "Mike Ross"
> Sent: Tuesday, December 15, 2015 3:41 PM
>
>
>> On Wed, Dec 16, 2015 at 4:35 AM, tony duell wrote:
>>> If you can identify the data lines on the connector you are getting there.
>>> See if y
Like I said "or something". I could not recall that the time.
A quick look shows that it is actually LT73.
--
Will
On Tue, Dec 15, 2015 at 9:13 PM, Christian Gauger-Cosgrove
wrote:
> On 15 December 2015 at 20:21, William Donzelli wrote:
>> DEC made a Selectric interface called LT33 or somethin
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