Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
ibm360
.
Show all posts
Showing posts with label
ibm360
.
Show all posts
Simulating the IBM 360/50 mainframe from its microcode
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The IBM System/360 was a groundbreaking family of mainframe computers announced on April 7, 1964. System/360 was an extremely risky "...
28 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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