On 10/15/2015 10:58 PM, Brent Hilpert wrote:
But working from OSX unix system-call level to a plastic-encapsulated
USB-serial dongle, I was pleasantly surprised that "75" was accepted
by the IO/device driver. IIRC, it didn't accept 110 or other values
outside the divide-by-2 sequence, and 75 wa
Thanks for this great explanation. So would anyone doing computing back in
the early 70s have used a 5 level machine?
I saw this one on ebay (or is it two? Not sure what the deal is here)
It's probably sacked:
http://www.ebay.com/itm/Teletype-equipment-1-model-28-writer-1-reperforater-
1-50vdc-s
I have some unused 3M blank preformatted RX02 diskettes. Would those be usable
in an RX01 drive?
I don't know what the VAX PSI software is, but I'm guessing it must be for the
11/780 based on the media type. I have zero use for it, but the thought of
11/780 bits being returned to the entropy po
On 2015-Oct-15, at 10:19 PM, Chuck Guzis wrote:
> On 10/15/2015 10:06 PM, Brent Hilpert wrote:
>
>> For working form modern equipment, the bit rates for all of them are
>> potentially awkward. When working on the 28s, which were geared for
>> 75 bps, I lucked out as I found the USB-serial interfac
On 10/15/2015 01:53 PM, Sean Caron wrote:
I love those Nature Valley bars! Dark Chocolate Cherry is my
favorite, LOL.
The "speed rails" (with the latching mechanism to grab the holes in
square post racks) we have nowadays are a real advance in data center
equipment deployment. I can stuff almost
On 10/15/2015 10:06 PM, Brent Hilpert wrote:
For working form modern equipment, the bit rates for all of them are
potentially awkward. When working on the 28s, which were geared for
75 bps, I lucked out as I found the USB-serial interface I was using
could do 75 bps - not entirely surprising as
On 2015-Oct-15, at 6:25 PM, Brad wrote:
>
> Also separate question to others: I want to stay away from the Baudot
> machines, right? (ie. Model 28, etc)
I'd say it largely depends on what your interests or purposes are.
A brief overview of the technology:
In the main, there were 3 generations
I love those Nature Valley bars! Dark Chocolate Cherry is my favorite, LOL.
The "speed rails" (with the latching mechanism to grab the holes in square
post racks) we have nowadays are a real advance in data center equipment
deployment. I can stuff almost an entire rack just working myself in maybe
I am searching for a CPU card for a 9835 to replace the dead processor
in my 9835A, but a CPU card from a 9845B/C would also be ok. I would
prefer the 9835 card as it would be a drop in replacement but with a
9845 card I would have to transfer over the CPU module. The part number
on the modul
On Thu, Oct 15, 2015 at 01:58:10PM -0400, Paul Koning wrote:
>Half density? I vaguely remember an RK05 style drive at half the density.
>RK02?
Yes, RK02. But I could have sworn that it ran half-sized sectors,
not half the number of full-sized sectors. Could be wrong.
John Wilson
D Bit
Sorry, _the_ story is about Cray 1 which had upholstered seats. Cray 2 was not
as comfortable.
On October 15, 2015 10:06:43 PM CDT, Chris Elmquist wrote:
>However, apparently the comfy cushions of the Cray were not so
>inhospitable to one pair of mammals that consummated their relationship
>on
However, apparently the comfy cushions of the Cray were not so inhospitable to
one pair of mammals that consummated their relationship on them in a certain MN
data center during one late night shift. There _IS_ a story...
Chris
On October 15, 2015 4:53:15 PM CDT, Chuck Guzis wrote:
>On 10/15
The punch aligns with the index hole since we are starting with soft-sector
media and that's the only hole we have. Then it "clamps" the media and you
rotate the punch and the media together to align each sector hole with a hole
in the template part of the punch and slam the punch pin through.
-Original Message-
From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jay West
Sent: Thursday, October 15, 2015 9:28 PM
To: 'General Discussion: On-Topic and Off-Topic Posts'
Subject: FOUND RE: nut bars? ;)
Cindy wrote...
-
Are the one you want made by Accuride perhaps?
I resemble that remark ;-)
Indeed, we did not do anything for 8"
Chris
On October 15, 2015 1:36:50 PM CDT, Dennis Boone wrote:
>> I doubt it. They need to be very accurate, and one would not want to
> > open the sleeve to punch one.
>
>A set of 10- and 16-hole punching jigs were done by a lis
Cindy wrote...
-
Are the one you want made by Accuride perhaps?
http://www.accuride.com/media/1975/rackmountaccessories_pdf_3.pdf
They call them "bar nuts" :-)
-
BINGO! That's the ones :) Thanks Cindy!!
On 10/14/2015 05:23 PM, Stefan Skoglund (lokal användare) wrote:
ons 2015-10-14 klockan 13:57 -0700 skrev Ian Finder:
It seems to exist a PS/2 (system)-to-HIL (keyboard/mouse) for those who
likes their old HIL keyboards.
OR have sw which requires the identity HIL dongle.
Absent everything e
On 10/15/2015 02:19 PM, Jay Jaeger wrote:
So, hole by hole - what about the extra hole for the index - one
would need the jig to have an extra hole for the punch for that at
1/2 spacing.
A set of 10- and 16-hole punching jigs were done by a list member
some years ago. They work through the wi
I loaned a list member several packs with ETOS on them. They need to be
cleaned and inspected before they can be read.
I know he is busy and going to be for a while. If anyone needs more info,
feel free to contact me off list.
Paul
On Thu, Oct 15, 2015 at 2:03 PM, ben wrote:
>
> .R ETOS
>> ET
-Original Message-
From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Jon Elson
Sent: Thursday, October 15, 2015 8:57 PM
To: gene...@classiccmp.org; discuss...@classiccmp.org:On-Topic and Off-Topic
Posts
Subject: Re: nut bars? ;)
Are the one you want made by Accuride perhaps
On 10/15/2015 03:36 PM, Jay West wrote:
HAH!
The DG documentation does call them "Nut Bars" :P
"threaded rail" seems to be something different according to google, but it
yields "threaded insert" which is close if not exact. Still googling...
There were some systems, like Vector configurable c
On 10/15/2015 7:25 PM, Brad wrote:
So you've shipped these before? What sort of cost is typical around
the US?
My problem is just finding one at this point.
Also separate question to others: I want to stay away from the
Baudot machines, right? (ie. Model 28, etc)
Yes, leave those for relay
I would imagine a teletype would be way over USPS' maximum weight limit
anyway.
Something happened with USPS 2 years ago or so where prices just went
through the roof. Even on small stuff it was ridiculous, at least, to
Canada. I've been reluctant to use them since.
-Original Message-
So you've shipped these before? What sort of cost is typical around the US?
My problem is just finding one at this point.
Also separate question to others: I want to stay away from the Baudot
machines, right? (ie. Model 28, etc)
-Original Message-
From: cctalk [mailto:cctalk-boun...@
At 07:59 PM 10/15/2015, drlegendre . wrote:
>Sounds like another nice freebie M15 just popped up on the greenkeys list..
>though it's stateside, and once again in St. Louis!
There ought to be plenty of the 15-RO units kicking around in the States. Time
was when every almost radio station in the
Brad,
Sounds like another nice freebie M15 just popped up on the greenkeys list..
though it's stateside, and once again in St. Louis!
Might not help you, other than to illustrate the fact that these things
+do+ come up. And this is just how I came across my personal teleprinting
treasure chest..
Back in April, I wrote:
> Robert Jarratt wrote:
> >
> > One of my DECserver 90M PSUs got dropped and stopped working as a result,
> > possibly because it got pulled by the cable. That sounds like the kind of
> > damage that might be repairable. I tried to open the enclosure and I found a
> > hole u
On 15/10/15 21:38, Charles wrote:
I bought a set of five DEC RX01 8" floppies (for the disks, since I
have an RX01 hooked up to my PDP-8/A) but I thought the contents might
be of interest to someone before I wipe them.
They are labeled VAX PSI V3.0 1/5 thru 5/5, (c) 1984. In order they
are AS-L
> I could have easily pitched a tent amount the electronics.
Yeah, I get excited about liquid cooled mainframes, too.
--
Will
On 10/15/2015 02:09 PM, Rod Smallwood wrote:
Contrary to your remaks I did not lose a lover.
A Cray 2 ("bubbles") or an ETA-10 (liquid nitrogen) would be equally
inhospitable to any mammal trying to live in one.
I recall visiting the Honeywell (used to be GE) plant in Phoenix
sometime in
I'd expect you could still read them sector by sector - an RX01 is
standard single density format.
Regardless, you can find software to image them here:
http://highgate.comm.sfu.ca/pdp8/
In particular:
http://highgate.comm.sfu.ca/pdp8/software/dumprest.tar.gz
(I had my own version of that sort
- Original Message -
From: "Evan Koblentz"
To: "General Discussion: On-Topic and Off-Topic Posts"
Sent: Wednesday, October 14, 2015 10:05 PM
Subject: Re: New logo: Vintage Computer Federation
>
> > I also noticed that the outer circumference (outer most part of the
logo) doesn't appe
So, hole by hole - what about the extra hole for the index - one would need the
jig to have an extra hole for the punch for that at 1/2 spacing.
Sent from my iPad
On Oct 15, 2015, at 13:36, Dennis Boone wrote:
>> I doubt it. They need to be very accurate, and one would not want to
>> open the
With out going into detail and whilst working in Germany in 1969 I
pulled a few Saturday night operator shifts for cash in hand on a big
Nixdorf system.
Just to help out a friend who did not like being there on her own.
The Computer room was air conditioned and filtered down to microns.
Being G
I bought a set of five DEC RX01 8" floppies (for the disks, since I have an
RX01 hooked up to my PDP-8/A) but I thought the contents might be of
interest to someone before I wipe them.
They are labeled VAX PSI V3.0 1/5 thru 5/5, (c) 1984. In order they are
AS-L154G-BE, AS-L155G-BE, AS-L156G-BE,
HAH!
The DG documentation does call them "Nut Bars" :P
"threaded rail" seems to be something different according to google, but it
yields "threaded insert" which is close if not exact. Still googling...
Thanks!
J
-Original Message-
From: cctalk [mailto:cctalk-boun...@classiccmp.org] On
On Thursday (10/15/2015 at 04:16PM -0400), Dennis Boone wrote:
> > Perhaps my google skills are challenged (probably so), but I can't
> > find this.
>
> It is costing me in ways too vast and indescribable not to give you crap
> about this terminology. :)
http://www.naturevalley.com/nut-bars/
-
On Thursday (10/15/2015 at 05:57PM +0100), Dave Wade wrote:
>
> I think you would be surprised to know that M15 and other Baudot teletypes
> were used with early computers.
> Not sure about the Altair but I certainly used a Creed 7B with my 6809 based
> system. Again no paper tape, I had an Aud
> Perhaps my google skills are challenged (probably so), but I can't
> find this.
It is costing me in ways too vast and indescribable not to give you crap
about this terminology. :)
Try "threaded rail".
De
On Thu, 15 Oct 2015, Geoffrey Oltmans wrote:
IIRC, IBM liked to refer to them as planar boards...
That's right. I explained one account of WHY IBM refused to call it a
"motherboard".
On 10/15/2015 04:01 PM, geneb wrote:
On Thu, 15 Oct 2015, Dave Woyciesjes wrote:
On 10/15/2015 02:44 PM, Jay West wrote:
... In
some cases, nut bars are very preferable...
I think we have plenty of those around here
*bars*, not *bags*! :)
No, it's "...*bars*, _and_ *bag
IIRC, IBM liked to refer to them as planar boards...
On Thu, Oct 15, 2015 at 2:34 PM, Mark Linimon wrote:
> On Thu, Oct 15, 2015 at 10:18:46AM -0700, Fred Cisin wrote:
> > Wasn't the B5900 from 1980?
>
> Hmm. I guess my mind put "B5500" for "B5900".
>
> mcl
>
Wasn't the B5900 from 1980?
On Thu, 15 Oct 2015, Mark Linimon wrote:
Hmm. I guess my mind put "B5500" for "B5900".
Yeah, that would make a difference.
Wikipedia (not necessarily reliable) lists the B5500 at 1964,
and the B5900 in 1980.
OED researchers found published use of "motherboard" in
On Thu, 15 Oct 2015, Dave Woyciesjes wrote:
On 10/15/2015 02:44 PM, Jay West wrote:
... In
some cases, nut bars are very preferable...
I think we have plenty of those around here
*bars*, not *bags*! :)
g.
--
Proud owner of F-15C 80-0007
http://www.f15sim.com - The only one of
On 2015-Oct-14, at 11:52 AM, Brad wrote:
> I appreciate the advice and I'll keep my eyes out. Vancouver hasn't really
> been a great place to find these kinds of things; I tend to be totally
> reliant on ebay, and as mentioned US shipping up to here has skyrocketed (not
> to mention our CDN dol
On Thu, Oct 15, 2015 at 10:18:46AM -0700, Fred Cisin wrote:
> Wasn't the B5900 from 1980?
Hmm. I guess my mind put "B5500" for "B5900".
mcl
On 10/15/2015 09:49 AM, Fred Cisin wrote:
On Wed, 14 Oct 2015, ben wrote:
you can lose your lovers with a Cray
multiples of any size computer, or evan a single one larger than a
micro can lose your marriage.
If you lose a lover in "Bubbles", I suspect that you're also looking at
a lengthy p
On 2015-Oct-14, at 3:40 PM, Robert Ferguson wrote:
> Hi Folks,
>
> Does anyone have a electronic copy of the original Decmate Owner’s Guide
> (AA-K330C-TA) that they could share?
>
> Alternatively, can anyone describe what can be accomplished (if anything)
> from the initial “Setup” prompt on a
On 10/15/2015 02:44 PM, Jay West wrote:
... In
some cases, nut bars are very preferable...
I think we have plenty of those around here
:D
--
--- Dave Woyciesjes
--- CompTIA A+ Certified IT Tech - http://certification.comptia.org/
--- HDI Certified Support Center Analyst - http://w
Perhaps my google skills are challenged (probably so), but I can't find
this.
Is there a modern source of nut bars that one could order with specific
thread size and # of holes (NEMA pattern)? Yeah, I know I'm being OCD and
can just use individual nuts. But after you keep losing a handful of
stand
> I doubt it. They need to be very accurate, and one would not want to
> open the sleeve to punch one.
A set of 10- and 16-hole punching jigs were done by a list member some
years ago. They work through the window in the sleeve, so don't require
opening the sleeve. But they're for 5.25".
De
Henk wrote...
-
Yup, I mounted the 6125 in the top of the rack. The thought indeed did not
occur that you can screw the pin in the metal hinge from the *bottom* side.
I removed the top plastic part with the Data General text (top cover) to get
the clearance space needed to hang the drive on the
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of tony duell
> Sent: Thursday, October 15, 2015 11:00 AM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: RE: 8-sector decpacks?
>
>
> Half density? I vaguely remember an RK05 style drive
.R ETOS
ETOS V5B
OPTION?T
?LOGIN PLEASE
!LOGIN
ETOS V5B AT 00:00:00 A.M. ON TUE 01-JAN-75
ACCOUNT? 0,4
PASSWORD?
JOB 3 LOGGED IN ON CONSOLE 0
WELCOME TO DAVID GESSWEIN'S ETOS SYSTEM
TYPE HELP TO OBTAIN ASSISTANCE
.^VS
!ASSIGN DK1
!CONT
.^VS
!LOOKUP 5=DK1:,0
!CONT
.DIR CHN5:
01-JAN-75
> Half density? I vaguely remember an RK05 style drive at half the density.
> RK02? Or am I mixing it up with RP02 vs. > RP03?
No, you're right. The RK02 is the low-density drive (actually a Diablo model
30), the RK03 being the high
density model. The RK05 has the same bit density (heck the
Jay wrote...
--
Henk wrote...
--
On the right vertical post of the rack you mount two hinges. Each hinge
has
a pin that simply goes through a hole of the vertical post, and one screw.
--
Yep, I got the installation instructions in the manual, which are
wonderfully detailed WRT rack
Anyone know of any of the padded cases for Sun Voyagers that would be for
sale?
(Sun Microsystems portable sparcstation)
--
Ethan O'Toole
> On Oct 15, 2015, at 1:37 PM, Josh Dersch
> wrote:
>
> Does anyone have any idea what drive/system an 8-sector decpack would have
> been used with? We have a few of them on our shelves at the LCM and I can't
> find any reference that mentions 8-sector packs. (Just the usual 12 and
> 16-se
On Thu, Oct 15, 2015 at 10:38 AM, tony duell
wrote:
> > "Motherboard" was around then, although Burroughs might not have used it.
> > Burroughs might very well have been more inclined to call it "backplane".
>
> I generally use the term 'motherboard' for the sort of thing you find in an
> IBM5150
> "Motherboard" was around then, although Burroughs might not have used it.
> Burroughs might very well have been more inclined to call it "backplane".
I generally use the term 'motherboard' for the sort of thing you find in an
IBM5150 or Apple ][ -- that is a board with a lot of electronics on i
Henk wrote...
--
On the right vertical post of the rack you mount two hinges. Each hinge has
a pin that simply goes through a hole of the vertical post, and one screw.
--
Yep, I got the installation instructions in the manual, which are
wonderfully detailed WRT rackmounting. You may not hav
Does anyone have any idea what drive/system an 8-sector decpack would have been
used with? We have a few of them on our shelves at the LCM and I can't find
any reference that mentions 8-sector packs. (Just the usual 12 and 16-sector
ones.)
They're clearly labeled "decpack 1100 BPI - 8" and th
I re-read the artical and backplane is what he called it. At least he
called the wirewrap version that.
I went back to my engineer days and tried to think what I would have
called it.
Bus board or main interconnect is all I can think of.
Rod
On 15/10/2015 18:18, Fred Cisin wrote:
Wire wra
Wire wrapped motherboard and only one in existance ! Sheesh what a risk.
On Thu, 15 Oct 2015, Mark Linimon wrote:
minor quibble: I doubt they called it a "motherboard" in that time frame.
More likely "backplane".
Wasn't the B5900 from 1980?
"Motherboard" was around then, although Burroughs mig
> -Original Message-
> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of
> drlegendre .
> Sent: 15 October 2015 00:35
> To: General Discussion: On-Topic and Off-Topic Posts
>
> Subject: Re: Fair price and ways to find a teletype
>
> Brad,
>
> A few montns ago, with a fai
Henk wrote...
Great series of pictures Jay!
Thanks! Most of those pics are "so I don't forget where wires go", but
some of them are presentable :)
I am used to make notes and draw sketchy pictures to remember how cables
were connected. But then, I try to re-install all cabling within a week
On Wed, 14 Oct 2015, ben wrote:
you can lose your lovers with a Cray
multiples of any size computer, or evan a single one larger than a micro
can lose your marriage.
On Wed, Oct 14, 2015 at 7:27 PM, Jason T wrote:
> A man in a black suit and skinny tie came by and asked that we not
> forget the Midrange (System/3, System/3x, AS/400...)
Carl the Technician dropped by. It's all hooked up.
http://www.marrick.com/IT_Lab.html
-ethan
So the Eagles could phone home I guess
On 15/10/2015 16:20, Eric Christopherson wrote:
On Thu, Oct 15, 2015 at 10:02 AM, Paul Koning wrote:
On Oct 15, 2015, at 8:27 AM, Rod Smallwood
wrote:
...
DEC had a helicopter service. The pilots had nealy all been in Vietnam.
I heard the following st
Did you work for DEC if so where/
On 15/10/2015 16:02, Paul Koning wrote:
On Oct 15, 2015, at 8:27 AM, Rod Smallwood
wrote:
...
DEC had a helicopter service. The pilots had nealy all been in Vietnam.
I heard the following story at a sales meeting.:
The helicopters would usually rise gently
On Thu, Oct 15, 2015 at 03:07:42PM +0100, Rod Smallwood wrote:
> Wire wrapped motherboard and only one in existance ! Sheesh what a risk.
minor quibble: I doubt they called it a "motherboard" in that time frame.
More likely "backplane".
mcl
On Thu, Oct 15, 2015 at 10:02 AM, Paul Koning wrote:
>
>> On Oct 15, 2015, at 8:27 AM, Rod Smallwood
>> wrote:
>>
>> ...
>> DEC had a helicopter service. The pilots had nealy all been in Vietnam.
>> I heard the following story at a sales meeting.:
>>
>> The helicopters would usually rise gently
On 10/14/2015 10:32 PM, ben wrote:
On 10/14/2015 9:21 PM, Jon Elson wrote:
Carl has a IBM 1130
http://rescue1130.blogspot.ca/
Fascinating! And, of course, with discrete transistors,
it should not
be that hard to keep the electronics running.
The mechanicals look like a pretty major repair pr
I doubt it. They need to be very accurate, and one would not want to
open the sleeve to punch one.
JRJ
On 10/14/2015 10:39 PM, ben wrote:
> On 10/14/2015 9:39 PM, Jay Jaeger wrote:
>> I could spare one - but probably only one.
>>
>> JRJ
>>
> Did they ever make punch to make your own?
> Ben.
>
>
> On Oct 15, 2015, at 8:27 AM, Rod Smallwood
> wrote:
>
> ...
> DEC had a helicopter service. The pilots had nealy all been in Vietnam.
> I heard the following story at a sales meeting.:
>
> The helicopters would usually rise gently to 2000' and set course fo the next
> plant. Unless you aske
> On Oct 15, 2015, at 3:02 AM, Pontus Pihlgren wrote:
>
> On Wed, Oct 14, 2015 at 03:09:25PM -0600, ben wrote:
>> ...
>> Where do sign up for the Vintage Mini-skirt list ...
>
> I think it's called pinterest:
>
> https://www.pinterest.com/jennschiffer/women-computers/
Unfortunately that's one
Yes execellent.
Wire wrapped motherboard and only one in existance ! Sheesh what a risk.
An order for 30 systems from Midland Bank for an unbuilt untested computer?
Rod Smallwood
I have seen reference to the mainframe market actually growing again.
Is who is left in te game apart from IBM?
You want sentimental? I have a VT100 that I know I sold to a customer in
1975 whilst at DEC and that came back a couple of years ago in a
clearout pile from I know not where. I still had my old day book I in
which kept the serial numbers and there it was!! Needless to say
surprise was not the
On 14 October 2015 at 17:15, Noel Chiappa wrote:
> Wow! What a fabulous story/writeup! Highly recommend to everyone.
Oh good -- glad someone else enjoyed it. :-)
--
Liam Proven • Profile: http://lproven.livejournal.com/profile
Email: lpro...@cix.co.uk • GMail/G+/Twitter/Flickr/Facebook: lprove
On Wed, Oct 14, 2015 at 03:09:25PM -0600, ben wrote:
> On 10/14/2015 2:57 PM, Mike Loewen wrote:
> >On Wed, 14 Oct 2015, Chuck Guzis wrote:
> >
> >>On 10/14/2015 11:04 AM, ben wrote:
> >>> On 10/14/2015 8:15 AM, Rod Smallwood wrote:
> OK so if we agree there are three classes computer Namely
Hey all --
Anyone have a copy of the ULTRIX-11 3.0 or 3.1 manuals lying around?
I've got the 11/44 up and running with an SMD disk and a SCSI 9-track
tape drive and I have ULTRIX-11 3.1 installed. (Yay!) But there are
issues (Boo.)
Unfortunately, the "setup" tool (and *what* a tool it is!)
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