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by lbmgmusic＠gmail.com

I am building up a micro vax and need an empty chassis. Given the number of dec boards on ebay, I assume (hopefully) that there are some empty chassis out there. Please PM if you know of an option. tnx jc

11 months, 3 weeks

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Re: Finding a Honeywell 316?

by Adrian Stoness

digging through emails and just found this again strangely i have the h316 manuals from lynn lake found them in my house i bought in 2017 did some digging around to find the system but it got tossed out in 2016 apparently argg On Sat, Jul 21, 2012 at 10:39 PM Paul Anderson <wackyvorlon(a)me.com> wrote: > My father worked in a mine in the '70s that was using a Honeywell 316 for > process control. I was thinking it might be neat to see if I could track > one down. What are they worth the days? How common are they? > > Sent from my iPad >

11 months, 3 weeks

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Wanted: DEC ba23 or ba123 chassis

by lbmgmusic＠gmail.com

I am building up a micro vax and need an empty chassis. Given the number of dec boards on ebay, I assume (hopefully) that there are some empty chassis out there. Please PM if you know of an option. tnx jc

11 months, 3 weeks

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Wanted: 64Mb 72-pin, single sided, non-ecc, non-parity SIMMs. 3.3V and 5V tolerant or 5V

by Anders Gustafsson

Asking for a friend �� Reason is this... I built an expansion board for the HP1000 A-series. I found some modules on eBay that work fine for me, but a friend that built the board have had probems finding and yes, most of the vendors on eBay do not know what they are selling and the picture might not match what you get. So I am asking here if anyone has a module they might want to part with. The board design is here: https://www.dalton.ax/hp1000/memory/ -- Med vänlig hälsning Anders Gustafsson, ingenjör anders.gustafsson(a)pedago.fi | Support +358 18 12060 | Direkt +358 9 315 45 121 | Mobil +358 40506 7099 Pedago interaktiv ab, Nygatan 7 B , AX-22100 MARIEHAMN, ÅLAND, FINLAND

11 months, 3 weeks

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Skype

by Murray McCullough

It is with some sadness to here of Skype's demise even though MS owned it. It's not necessarily on topic of 'ancient' personal computing but then again maybe it is! Happy computing, Murray 🙂

11 months, 3 weeks

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Summer house keeping.

by Jerry Wright

I have some more thing to move out of my shop. These are in Kent Washington. most are too big to ship. Hp 1000f 2117f computer. Lots of boards. Unknown condition. looks good. 400.00Hp 2753a Paper Tape 100.00Hp 7906 drive 200.00 HP 7970e Tape HPIB interface in cabinet 100.00HP 7970B tape 50.00 HP 9000/380 in Desk side Cabinet with drives and Hi-Res graphics 250.00 Intel 310 development system 200.00 General Automation computer 100.00 HP K-210 server works with drives in a Rack Free Sun 4-260 desk side computer. No drives. missing top cover. did boot 200.00 Dec 11/44 loaded with boards in Rack, comes with 2) RA-80's, 1) TU80 in 42" rackHas 2 RA81 and 2 RA 91 drives.( loose), + a second 42" cabinet, with a 11/44 chassis, (no Boards) with a Power supply. (mint) Computer has booted in the past, but now has 12v power supply issues 600.00 Dec 11/34 Chassis and Boards 300.00 Nova 3 Chassis, Front panel and Boards 450.00 Nova 4 Chassis and boards 200.00 3 DG Desk Top computers. made out of modular units connected together like model 10/20 Style 50.00 each Altos 486, 586, 5-15AD desk tops computers 50.00 each Private Mail please with questions and or requests. most have not been turned on. Some have but years ago. All stored in a heated shop. - Jerryg-wright(a)att.net

11 months, 3 weeks

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VMR question for RSX11M and DECnet CEX

by Peter Ekstrom

I am putting together a PDP-11/23 and have a working RSX-11M 4.4 OS running in simh while I wait for a few parts. I want DECnet as well. I have the 4.7 kit and have done a netgen, but I can't install it because I don't have the CEXPAR partition in my system image. I have gone over the VMR command in the manual a few times and tried various things to try and create the partition in my image, but have not been successful. I assume (from looking in the manuals) that I either need to create that partition in my image, or make room for it? The netgen process has the defaults of 113500 as the base and 4300 as the size. VMR complains about 'non-existing memory' for the base and if I try the wild card I get 'alignment error'. I have 512KW of memory that I plan to use in the real machine, so simh is configured with that as well. Any pointers would be greatly appreciated. -Peter

11 months, 4 weeks

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Uploading PDFs to Bitsavers

by Christian Liendo

I'm sorry if this has been asked before. How can I send PDFs to Bitsavers? I know I cannot just FTP and create a directory. I am looking on the website but I am probably not reading what is right in front of me. Any help would be appreciated.

11 months, 4 weeks

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Wang TTL BASIC

by Steve Lewis

Is anyone out there familiar with the Wang 2200 BASIC? Of about 1973/1974 C. Corti, I think you still have one of these complete and runnable? My question is, was its basically really "built" using TTL logic/chips? The system didn't really have a microprocessor (neither did the early Alto, right?) I recall that system had many boards, the whole "CPU" box was external to the monitor (and in the earliest versions, the power supply was also a large external box). I can't really fathom creating a BASIC out of raw TTL, or maybe I'm misunderstanding the approach. -Steve

12 months

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Wang TTL BASIC

by Bob Yates

Schematics for your viewing pleasure. More detailed information can be found in other parts of the website. https://www.wang2200.org/schematics.html

1 year

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