"Data General Alumni" lots of knowledge there.
Original message
From: Bruce Ray
Date: 12/13/2015 7:09 PM (GMT-08:00)
To: "General Discussion: On-Topic and Off-Topic Posts"
Subject: Re: Identifying Data General (or DG-related) console/terminal/whatsit?
Not identifiable a
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 didn't have a screen; nei
On Mon, Dec 14, 2015 at 9:15 PM, Fred Cisin wrote:
> On Tue, 15 Dec 2015, Mike Ross wrote:
>>
>> I thought Centronics dated back to early 1970s - not always in the
>> standard 'modern' form, but in general principles with same signaling
>> and strobing of data.
>
> I got in late. My first encount
On 12/14/2015 06:15 PM, Fred Cisin wrote:
I got in late. My first encounter with Centronics was TRS80 (1979?)
At that time, Centronics did not yet have a monopoly on parallel
"protocols", although the company had certainly been around for a
while. Once they got the TRS80 market, and then the IB
On Mon, Dec 14, 2015 at 6:32 PM, dwight wrote:
> Do remember when ordering 2114's that these are all NOS units
> and just about as likely to be bad as the ones in your unit.
Too true. NOS doesn't mean it's working.
> I don't know of any surplus place that has the ability to test them.
Or the i
On Tue, 15 Dec 2015, Mike Ross wrote:
I thought Centronics dated back to early 1970s - not always in the
standard 'modern' form, but in general principles with same signaling
and strobing of data.
I got in late. My first encounter with Centronics was TRS80 (1979?)
At that time, Centronics did
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 any DEC historians here know the reason for two versions
> of
> The IBM 1710 didn't have a screen; neither did the 1800.
It was an option on the 1800, using a cheap TV. I have docs (not much) for it.
--
Will
On Tue, Dec 15, 2015 at 1:21 PM, Fred Cisin wrote:
> On Tue, 15 Dec 2015, Mike Ross wrote:
>> That was my conclusion too. The old Western I/O ads I've seen
>> definitely refer to it as having an 'ASCII' or 'parallel' interface.
>> Assuming they only ever made the two models; I suppose it *could*
> On Dec 14, 2015, at 2:46 PM, Mike wrote:
>
> ...
>>
>> At
>> https://en.wikipedia.org/wiki/Punched_card#/media/File:Blue-punch-card-front-horiz.png
>> is a picture of a card. It was punched with a printing punch, or run
>> through a 029 series interpreter punch, NOT with an INTERPRETER, whi
If you need 6522 chip(s) please contact me off-list - I have more than I
need, would be happy to pass one along to a needy drive..
On Mon, Dec 14, 2015 at 5:32 PM, dwight wrote:
>
> Do remember when ordering 2114's that these are all NOS units
> and just about as likely to be bad as the ones in
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 didn't have a screen; neither did the 1800.
Personally, I think the world is GUI-
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 have to match the width.
I recently bought new ribbons fo
On Mon, 14 Dec 2015, Mike wrote:
Thank you Paul for that reply I have learned more about the history in
the short time I have been on here than I have if I would have spent 10
bagillion dollars in collage I'm just a busted up old welder now but I
wet to collage for that and it was not cheap I c
On Tue, 15 Dec 2015, Mike Ross wrote:
Maybe, but Selectrics aren't exactly fast devices; there's a whole lot
of potential 'no, wait, I'm not ready!' conditions. Would they all be
ORed onto one pin?
possibly. It's been done that way before.
That was my conclusion too. The old Western I/O ads
I am starting to think that the age of the PDP-8 is finally coming to
a close. The last bastion of PDP-8ness - controlling machine tools and
industrial processes - well, think about that. When was the last time
you *actually* *saw* a PDP-8 in production doing this? The US has very
little left in th
On Dec 13, 2015, at 1:20 PM, Fred Cisin wrote:
>> > So did you have to learn how to read the punch hole cards also or did
>> > the punch hole cards go into the computer and than printed out the
>> > data on the fan fold paper also was it in code or just plane English?
>> You COULD read the ho
> On Dec 14, 2015, at 11:55 AM, Paul Koning wrote:
>
>> 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 wi
I spent a lot of time in my early career on Allen-Bradley PLC 3's & 5's. They
were definitely computers - no screens, and obviously purpose built for process
control.
But then I started thinking... the HP 2100's that are the focus of my
collecting, very often (usually, actually) didn't have sys
On Tue, Dec 15, 2015 at 4:59 AM, tony duell wrote:
> Some more random thoughts
>>
>> Of the above 10 pins, 11, 13, 22 & 23 are high at power-up (printer
>> NOT connected to any interface). The only pin with known function is
>> 19, which is 'paper out'; if I toggle the paper out switch I can s
Before I chuck these in the recycle bin, does anyone want a copies of
DIGITAL ServerWORKS Manager?
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:
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 some had no more "UI" than the front panel
("set switches 2
On Mon, 12/14/15, Ethan Dicks wrote:
> On Mon, Dec 14, 2015 at 2:05 PM, Mike wrote:
>> On Dec 14, 2015, at 12:34 PM, Chuck Guzis wrote:
>>>
>>> The subject brought up the thought of how many display-less
>>> computers we encounter every day without giving it a
>>> thought. I think that probably
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Paul
> Koning
> Sent: 14 December 2015 17:55
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: What did computers without screens do?
>
> On Sat, Dec 12, 2015, Mike wrote:
> > The
Do remember when ordering 2114's that these are all NOS units
and just about as likely to be bad as the ones in your unit.
I don't know of any surplus place that has the ability to test them.
Most any of the places that I've dealt with will replace bad ones
but if dealing by mail order, it may not
On Mon, Dec 14, 2015 at 2:42 PM, Robert Jarratt
wrote:
> I have had a few replies now. So it seems that it wasn't that unusual to
> connect up these big drives to a MicroVAX II.
In the late 1980s, your choices for uVAXII disk were essentially,
5.25" DEC RD drives, which topped out at 154MB, or ex
They can be easily replaced with newer chips. But any work with it should
make you think about building a sd2iec hehehehe
(I gotta build one for me...)
Enviado do meu Tele-Movel
Em 14/12/2015 16:09, "tony duell" escreveu:
> >
> > I don't think any of the single-disk CBM drives used 2114s (but I
On 12/14/2015 11:34 AM, Chuck Guzis wrote:
The subject brought up the thought of how many display-less computers we
encounter every day without giving it a thought. I think that probably
100 would be a safe bet.
Looking over past this screen, I see my network hub, mouse, keyboard and
heaven kno
On Mon, Dec 14, 2015 at 2:05 PM, Mike wrote:
>> On Dec 14, 2015, at 12:34 PM, Chuck Guzis wrote:
>>
>> The subject brought up the thought of how many display-less computers we
>> encounter every day without giving it a thought. I think that probably 100
>> would be a safe bet.
>> Looking over
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jon
> Auringer
> Sent: 14 December 2015 16:46
> To: cctalk@classiccmp.org
> Subject: Re: Webster WQSMD/04 Qbus SMD Controller
>
>
>
> Not completely unusual. Our company had a pair of Microvax IIs,
On Dec 14, 2015, at 12:11 PM, j...@mercury.lcs.mit.edu (Noel Chiappa) wrote:
>> From: Mike
>
>> 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?
>
> There are a number of different generations, and the way th
> On Dec 14, 2015, at 12:34 PM, Chuck Guzis wrote:
>
> The subject brought up the thought of how many display-less computers we
> encounter every day without giving it a thought. I think that probably 100
> would be a safe bet.
>
> Looking over past this screen, I see my network hub, mouse
The subject brought up the thought of how many display-less computers we
encounter every day without giving it a thought. I think that probably
100 would be a safe bet.
Looking over past this screen, I see my network hub, mouse, keyboard and
heaven knows how many display-less computers inside
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 any DEC historians here know the reason for two versions of
> the same DEC PDP 11/05 *high profile* computer (not talking about
> From: Mike
> 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?
There are a number of different generations, and the way they were used
generally depended on what the computer in question had for
>
> I don't think any of the single-disk CBM drives used 2114s (but I
> agree - those are favorite suspects when present). I'm pretty sure
> all the units I've worked on have 6116-type 2K SRAMs or perhaps 6264s.
> I'd have to go back and check parts lists, but the older dual-drive
> units might h
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 Sun, Dec 13, 2015 at 10:22 AM, tony duell wrote:
>>
>> I've done the obvious, reseating socketed ICs, checking the +12V and +5
>> rails, and checking the on-board CPU reset line. Does anyone have any tips
>> for what's best to try next?
>
> Didn't at least some versions use 2114 RAM chips? If s
On 12/14/2015 11:17 AM, Charlie Carothers wrote:
On 12/12/2015 6:11 PM, Eric Christopherson wrote:
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, cass
On 12/13/2015 2:44 PM, Chuck Guzis wrote:
I've heard from a couple of CEs that the loathing for the 557 was legend.
Legend has it that someone once turned in a suggestion form at IBM
saying that the Cardatype(sp?) plant should be bombed with 557s. :-)
Charlie C.
And while you were there w
Part 2: Backplane Circuit Board: https://www.youtube.com/watch?v=YdeHfcasBbM
Part 3: RAM Board: https://www.youtube.com/watch?v=fwbO4bBnpEg
g.
> The list was put into emergency moderation mode the past couple days
> so I have had to approve each post and apparently slipped on that
> one. [...]
> In any case, I'll continue to moderate 100% of the inbound posts,
> until such time as I see things staying level-headed for a while.
Jay, you
On 12/12/2015 6:11 PM, Eric Christopherson wrote:
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 punc
On 2015-12-13 1:40 AM, Robert Jarratt wrote:
I picked up some Qbus cards yesterday. They seem to be board set for a
MicroVAX II. However, one of the cards was, to me at least, a bit unusual.
It was made by a company called Webster, and it appears to be a controller
for SMD disks. I was not fami
Just to change the subject..
There were "S" and an "NC" version of 11/05 high profile system. Why?
I am curious if any DEC historians here know the reason for two versions of
the same DEC PDP 11/05 *high profile* computer (not talking about the low
profile).There are separate manuals for eac
Some more random thoughts
>
> Of the above 10 pins, 11, 13, 22 & 23 are high at power-up (printer
> NOT connected to any interface). The only pin with known function is
> 19, which is 'paper out'; if I toggle the paper out switch I can see
> it going high and low.
Well, 19 could be a general
> On Dec 14, 2015, at 8:12 AM, tony duell wrote:
>
>
>> Can anyone give me a clue as to the purpose and pinouts of an Allen
>> Bradley 314B102??!!
>
> First guess, it's not really an IC, it's a resistor array. Either separate
> resistors
> going across the chip or resistors all commoned to th
Sorry, that last post ('Re: bye for now') was not intended to get through.
The list was put into emergency moderation mode the past couple days so I
have had to approve each post and apparently slipped on that one. Hopefully,
people noticed the quick return to on-topicness the past day or two.
Sev
On 14/12/15 13:12, tony duell wrote:
Can anyone give me a clue as to the purpose and pinouts of an Allen
Bradley 314B102??!!
First guess, it's not really an IC, it's a resistor array. Either separate
resistors
going across the chip or resistors all commoned to the highest numbered
pin (which ma
Pretty good guess actually... The rest of the board is pretty simple stuff
I think... Maybe just pullups... Someone who is better than me at squinting
at old circuitry can take a peek!
Mike
On Dec 15, 2015 2:18 AM, "tony duell" wrote:
>
> > Can anyone give me a clue as to the purpose and pinouts
> Can anyone give me a clue as to the purpose and pinouts of an Allen
> Bradley 314B102??!!
First guess, it's not really an IC, it's a resistor array. Either separate
resistors
going across the chip or resistors all commoned to the highest numbered
pin (which may well be +5V).
I would secondly
Folks,
I'm still probing the alleged "parallel ASCII" interface that was
supposedly fitted to my 'Western I/O' converted IBM 2970 Selectric.
Here's where we're at:
http://corestore.org/2970pins.jpg
I've traced the pins from the DB25 connector back to the board; the
ribbon cable in the above pic
> On 13 Dec 2015, at 18:40, Robert Jarratt wrote:
>
> I picked up some Qbus cards yesterday. They seem to be board set for a
> MicroVAX II. However, one of the cards was, to me at least, a bit unusual.
> It was made by a company called Webster, and it appears to be a controller
> for SMD disks.
Robert Jarratt wrote:
>
>
> > -Original Message-
> > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick
> > Sent: 14 December 2015 01:36
> > To: General Discussion: On-Topic and Off-Topic Posts
> > Subject: Re: VAX 4000-500 PSU Overload?
> >
> > I took a look at
On Sat, Dec 12, 2015 at 05:41:23AM -0600, Mike wrote:
> new Commodore 64's. Can we do that? I make a post about creepy
> pastas and all I got was made fun of? Do yall not want new people to
> join?
We want new people, and my own reply to that thread was intended as a
joke but not on your beha
Hi
I'm sorry to see you go.
This list has it ups and downs. I certainly don't read everything, not
even all things that are on topic. But whenever there is a storm of
boring/off-topic/ranting posts I just ride it out. Eventually there will
be a fun post to read.
So, guys, hang on and don't fe
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Glen Slick
> Sent: 14 December 2015 01:36
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: Re: VAX 4000-500 PSU Overload?
>
> I took a look at the DSSI & SCSI termination power supply
Marc Verdiell wrote:
Danke sehr, Oliver! Is your implementation available online?
Yes - here it is:
https://github.com/OlliL/P8000_WDC_Emulator/tree/master/P8000_WDC_Emulator
But right now I'm working on an enhanced version of it where I don't uses
latches for the higher 8 bits of the ATA 1
I have some reason to suspect the machines had something to do with the FAA, if
that narrows it down at all.
The hardware that goes in the enclosure may or may not be present- the fellow
appeared to be a hoarder.
Still an interesting mystery to solve-
- Ian
> On Dec 13, 2015, at 19:09, Bruce
59 matches
Mail list logo
