Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Understanding and repairing the power supply from a 1969 analog computer
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We recently started restoring a vintage 1 analog computer. Unlike a digital computer that represents numbers with discrete binary values, a...
2 comments:
TROS: How IBM mainframes stored microcode in transformers
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I recently came across a Transformer Read-Only Storage (TROS) module that stored microcode in an IBM System/360 mainframe computer. This unu...
9 comments:
IBM, sonic delay lines, and the history of the 80×24 display
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What explains the popularity of terminals with 80×24 and 80×25 displays? A recent blog post " 80x25 " motivated me to investigate ...
15 comments:
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