February 2023 - cctalk - classiccmp.org

Looking for info on Jerrold/General Instrument PDP11/DEC/etc. software/hardware

by Phil Pemberton

Hi all, I know there are a few PDP enthusiasts here so I figured this was worth an ask! I'm looking for any software, manuals, photos of hardware - anything really - that relates to the Jerrold Communications / General Instrument analog cable TV headend equipment. Many of their headend "addressable controllers" were built around DEC hardware -- the AH series units used a PDP-11, the Terminal Configurator ran on a PC, the ACC-4000 ran on a DEC Prioris server running SCO UNIX. Things I'm looking for especially -- - The software from the ACC-4000 Addressable Controller (Prioris based), AI-0/AI-O or AH-4/AH-4E (PDP-11/73 based) controllers, or Terminal Configurator (PC based). - Backup tapes from a running system (may be TK50, or DAT/DDS) - Terminal Configurator, Message Editor (ME-1000) or "OSD Edit" software - Any documentation - Photos, or other details of the I/O cards (either the PC one - which may have been called ANIC - or the SCX11, SCX11E, SCX11M or SRT11 cards used in the PDP systems). I'm trying to build an analog cable TV headend from scratch, as a bit of a preservation and "to see if I can" project. So far I've managed to modulate a couple of channels and get a cable box to tune to them, but my two boxes have different frequency maps, and I need some way of sending an "Input Frequency Map" or channel name table to them. I'm hoping that someone might have inherited a bunch of backup tapes, hardware or media from a cable TV company who was migrating to digital.... Thanks, -- Phil. philpem(a)philpem.me.uk https://www.philpem.me.uk/

9 months, 1 week

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Matrox Q bus graphics card, any use

by Chris Zach

Going through my stuff I found a Matrox QRGB 6/64-4 card which seems to be a 512x512x16 color video array for Q bus systems. Did any software ever support this thing, and does anyone want to trade it for a bean of some sort? Thanks! Chris

9 months, 2 weeks

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Late '70s DEC manual covers [niche!]

by Paul Flo Williams

Folks, During lockdown I was having some fun redrawing old DEC manual covers with Inkscape, specifically terminal and printer manuals from the late 1970s. I've attached a montage of four that I printed out so I could stick it on the wall. I'm aware I may be the only person, even here, who finds them attractively simple and coloured in such a definably 1970s way. Some of these designs were used on several manuals, but I'd like to know if you know of any other designs that follow this pattern that I could add to the collection? The VT102 User Guide has different colours, so it looks out of place. A copy of the LA34 User Guide is winging its way to me as we speak. For an infinite number of bonus points, does anyone have any clue who might have designed these? Paul

9 months, 2 weeks

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SDF had put a PDP-10 on the Internet

by Zane Healy

Specifically it looks like a SC-40. https://twitter.com/sdf_pubnix/status/1623127551542702080 <https://twitter.com/sdf_pubnix/status/1623127551542702080> Zane

9 months, 2 weeks

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KDJ11-E M8981 11/93 EPROM firmware dump?

by Glen Slick

Anyone have a dump of the KDJ11-E M8981 11/93 EPROM firmware? That would be U106 377E7 V2.01 (I assume the full part number would have been 23-377E7) Don't see a copy at the obvious places to check: http://www.bitsavers.org/bits/DEC/pdp11/firmware/ http://www.dunnington.info/public/DECROMs/

9 months, 2 weeks

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WTB: Acorn A3010 or A4000

by Ethan O'Toole

Looking for an Acorn A3010 or A4000 + KB/Mouse, happy to repair it. Also Sinclair +3 with some disks Also BBC Micro Also Amstrad CPC 6128 color. Could forgo monitor and build my own PSU. - Ethan

9 months, 3 weeks

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Vintage intel parts

by ben

State of the ART 50 years ago. May this help with 1970's weird and forgotton tech. https://www.cpushack.com/2018/06/10/the-collectors-guide-to-vintage-intel-m… Ben.

9 months, 3 weeks

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Looking for info on BAI Data Products model 1230 paper tape punch/reader

by Ian McLaughlin

Hello All, I have a PDP 11/05 that I’ve been restoring slowly over the last few years. I’m to the point now where I’d like to get a paper tape reader attached to it. The only reader I can find in my junk is a Bower Associates BAI Data Products model 1230 punch. I’ve put a picture of it here for the curious: https://imgur.com/a/xJ2hyTS Imgur imgur.com I can’t find any documentation online about this machine. I’m wondering if anyone else has any ideas, or might know anything about this. It’s going to need some TLC to bring it to life, and some documentation would certainly be nice. This particular unit was used by the Atmospheric Environment Service, Department of the Environment of Canada (according to a label on the back). It looks to be complete, except the punch bin is missing (not a big deal). Anyway, I thought I’d throw it out there in case anyone happens to know anything about this, before I tear in to it. Thanks!! Ian

9 months, 3 weeks

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Chatgpt : I had a retro dream

by Cedric Amand

I had a dream ; that someone makes a small telnet to chatgpt gateway (using azure chatgpt API possibly ?) So that we could telnet our retro devices to the hype of the year, and get chtgpt answers in our TRS80, PDP and such.

9 months, 3 weeks

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Trs80 model 200 for sale

by Kevin Lee

Radio Shack trs80 Model 200 With an option rom. Works ok. Decent shape. Offers welcome. Shipping from central EU. Cheers K.

9 months, 3 weeks

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