Requests to identify an extension card based on a photograph or some specific criteria. Use [identify-this-computer] instead for self-contained hardware.
Questions tagged [identify-this-card]
11 questions
16
votes
2 answers
What's this mysterious dynamic RAM board in my Heathkit H8?
I recently acquired a Heathkit H8 computer. It only has two boards plugged into the bus: the processor board that every H8 has, and another board, which is apparently a dynamic RAM board.
I can't find any identifying markings on the DRAM board. It…
Willis Blackburn
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12
votes
2 answers
Are these ROM cartridges and for what device?
I picked up four of these (what I assume are) ROM cartridges for a console, in a Thai second hand market in Bangkok.
None of them have casings:
There are three different types, distinguished by the etching on the IC:
‘K-105’ and…
Greenonline
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9
votes
3 answers
Is the circuit board in this video a memory board?
In the Periodic Table of Videos episode Tin (new) - Periodic Table of Videos while talking about the role of the element tin in solder, Sir Martyn Poliakoff shows a large circuit board tiled with a variety of chip sizes and calls it a "a very old…
uhoh
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