All I've got is a picture of the Servus 7771 terminal, which was apparently used to access the Servus 100 host (whose manual is visible on the photo):There appears to be nothing on the web about ...

As I remember, DOS had to update a backup copy of the FAT with each disk write, which I imagine would have greatly slowed write speed. Yet I don't recall any recovery software that used the second ...

The Commodore 128 keyboard has, in addition to the normal keys, three mechanical toggle switches: SHIFT LOCK, CAPS LOCK (ASCII/DIN in the German model) and 40/80 DISP. One of them broke apart on my ...

I got a nice Atari 600XL with a 1010 "Program Recorder" (cassette player). Too bad the motor drive belt broke and I am now trying to find a good replacement. I already tried a square belt, ...

When I was growing up I had access to a Mac Classic fully kitted out with a full 4MB of RAM and an internal SCSI 40MB hard drive. I never got to open the thing up (and wouldn't have known how to do so ...

long-term storage of 3.5" IPS LCD displays from handheld consoles is very complicated? Do they degrade rapidly at high temperatures of 34-38°C and humidity of 55-68%? Under these conditions, do ...

The paper What Every Computer Scientist Should Know About Floating-Point Arithmetic uses the Cray's systems as an example of computers without a guard bit:Although most modern computers have a guard ...

Nowadays, you can use Ansible, Chef, Salt and others, to manage Linux/*BSD systems, keep them updated, install software in a reproducible way etc...What tools were used to manage large UNIX installs (...

DOS on the 8088 had to process interrupts and return. If a higher-priority interrupt occurred, the current handler was pushed and the higher-priority interrupt was serviced.4.77 million seems like a ...

I have a TRS-80 4P that works beautifully, and I'd love to set it up as a terminal to other equipment I own (a Linux server, or a PiDP-11), but I'm having trouble finding actual, functional terminal ...

My new Amiga, running as an "fs-uae" process on an Ubuntu laptop, stops here:My impression is that it wants a disk. After a lot of investigation, I understood that kickstart (ca. "...

This question follows on from my previous one, but I'm trying to make things a bit simpler for myself for now, and first of all connect my now working HX-20 to an old PC which has a nine pin serial/...

Please note this is a different question from this one of mine from six years ago.So I acquired a second Epson HX-20 with a view to hopefully being able to put together one working computer from the ...

Is video output from Megatech Arcade board compatible with contemporary digital monitors (or analog to HDMI upscalers)?My board was working at seller's side (I have a video as a proof), but he tested ...

I was watching "You Only Live Twice" (1967), and I saw this "Burroughs" computer:What's the name of this "Burroughs" computer?