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101090 discussions

What's the rarest or most unusual computer-related item do you own?

by Flash688＠flying-disk.com

I just joined this list, so I'm not sure which of the items I own would be considered by this group to be rare or unusual, but here goes... Imlac PDS-1D graphics terminal, with the large screen and detached keyboard. Also a second one with the small screen and attached keyboard, but the chassis and cards are suitable only for parts. DEC TU56 dual-DECtape drive (goes with my PDP-11/34) DEC VS60/GT48 graphics display (goes with my PDP-11/34) DEC RKV11D Q-Bus controller for RK05 disks (on my LSI-11/73 system) Originally, it only supported 16-bit addressing, but I added the chip and wires to make it support 18-bit addressing. I have never even heard of another of these controllers, so I assume it is rare. Things that I assume are non-rare include an IBM 82 card sorter, Cardamation keypunch, assorted paper tape gear, and a True Data card reader (on my LSI-11/73 system). All of this was operating here at one time or another, but the clutter has become so bad that it is difficult to get them connected (or even get at them) these days. I recently retired, so my #1 job now is getting rid of all the stuff I accumulated over my almost 50 years in the computer industry. I have three rental storage units full of stuff and the cost is killing me! Is it OK to post ads on this list? Alan Frisbie

8 years, 3 months

Looking for a Archive Model 2150S (150 MB SCSI tape).

by pete＠petelancashire.com

I'm being help by a fellow member getting a Motorola VME setup put together. I've just started and I'll need a QIC tape drive. The make and model that has been recommended is a Archive Model 2150S Anyone have one they don't need ? Also might be looking for some VME boards, and eventually a smaller cage/chassis. Regards, -pete

8 years, 3 months

Netronics VID-64 terminal board

by vintagecomputer＠bettercomputing.net

I was wondering if anyone out there had documentation for this. ?I got one with a homebrew computer I'm trying to revive. ?Netronics documentation seems to be extremely scarce, which is odd given how popular it is. Brad

8 years, 3 months

New: IBM 5285

by silent700＠gmail.com

My latest acquisition, an IBM 5285 kinda-computer/kinda-terminal: https://goo.gl/photos/pTVhWc7mYukBeQjAA Basically, a System/[34|36] era terminal with a local CPU and a couple 8" floppies crammed in. I received no disks or docs with it, but there are manuals, product releases and other docs for the 5280 line on Bitsavers. What are my chances of finding a bootable disk(s) for this machine? Or failing that, images that could, through whatever wizardry, be written out? The product release doc mentions a number of disk formats used by the line. My drives are the "2D" model, which appear to be the higher density/capacity disks. Beyond that, I don't know what format it would have used. >From the handful of hits I found in Google's trade-magazine scans, I get the idea this line didn't do well. -j

8 years, 3 months

What is the most prized possession in your collection?

by alexandre.tabajara＠gmail.com

We've talked about the most expensive, the most rare, the less usual... Now lets talk about what you love most <3 For me is the Apple IIe signed by Woz :D What is your most prized and loved possession? :)

8 years, 3 months

WTB: DEC M8310

by w2hx＠w2hx.com

I am looking to buy a (preferably working) DEC PDP-8/e M8310 board. I have one that isn't working correctly. Mine is repairable, but it will be an easier repair with a working one on hand to compare results and pinpoint the problem. What have you got? Please contact me directly to discuss. Thanks Eugene

8 years, 3 months

Vector Graphics PROM/RAM Board?

by wheagy＠gmail.com

Does anyone have experience with the Vector Graphics PROM/RAM card...like this one. http://www.classiccmp.org/dunfield/s100c/vector/promram.jpg (This is not my card...mine is not jumpered in upper right.) I have some documentation with mine and two PROMs loaded in A0 and A1 (VIMON loaded on them), but am having some trouble getting any response from it. Most likely a config issue or a conflict with other RAM. Feel free to ping me at wheagy at gmail.com Thanks...Win

8 years, 3 months

What's the rarest or most unusual computer-related item

by tsw-cc＠johana.com

Most unusual: I've got a complete card deck of Witran for the IBM 1620. Witran is an interpretive Fortran compiler (not even Fortran II) that was load & go. It was written in 1964. Somewhere I have a listing as well. Yes, it goes back a ways.

8 years, 3 months

any thoughts where this might be?

by jnc＠mercury.lcs.mit.edu

> From: Adrian Graham > the island airbase is Johnston Atoll I was thinking that didn't look like Diego Garcia (which is an atoll), but rather Johnston Island. (Well, I guess technically its name is Johnston Atoll, but since it doesn't have the 'circular' above-water of the 'classic' atoll, I think of it as an island.) Cool story of surviving a Cat III typhoon on it here: http://www.travelbughawaii.com/Ioke.htm I wonder if the other pictures in the eBay item are of facilities on the island? I wonder who bought them - some interesting computer pictures in there. Noel

8 years, 3 months

MU5 Software

by robert.jarratt＠ntlworld.com

With all this talk on the list recently about rare machines, here is a really long shot. I am interested in MU5, a research computer built at the University of Manchester in the 70s, which I know for a fact no longer exists. However, I would like to find any software, in any form, for it. Does anyone here have anything, or know who to ask? I have already been in contact with some of the people most closely associated with MU5 and drawn a blank so far. I am also aware of some documents in the National Archive of the History of Computing which may help and I will be going to consult those soon. Regards Rob

8 years, 3 months

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