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Hi all, This card came into my hands, and after looking at Stason and minuszerodegrees, I have been unable to find it or anything like it. There is no information on the card (except "AT RAM CARD" and "Made in Taiwan"). The similar cards on the common sites have - most of the time - 8 switches...

Hi IC gurus, A few months ago I bid on some boards that according to the seller belong to ICL systems. As part of the joy of the end of the year, I did some repairing and revisit some purchases. Truth is that I am struggling to find out any information on those ICs. Running out of ideas and...

Hi, forum Although I am not new to retro computing repairing, I realised that I have a big gap regarding video signals (ana/digi), formats (from physical to logical), video processing, encoding formats and the like. Yesterday I got astonished watching a video from 2 months ago (search on...

Hi, This is Jose, a Spanish guy who lives in London for a few years. I collect every computer I can put my hands on, especially 8bit and first computers. These machines defined my career since I got my Spectrum 16K at 14, ending as a cybersecurity and cybercrime specialist. Still coding in...

Hi all, I am in the need to build a led/key front panel for my IBM 5170 (the one that holds the key and the two led, screwed to the chassis). Got the machine for free :-) many years ago and have been in storage since, after a short period of use. It never have the panel and is the only thing...