Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
ibm
.
Show all posts
Showing posts with label
ibm
.
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 "...
22 comments:
Reverse-engineering an unusual IBM modem board from 1965
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The vintage IBM circuit board below has a large metal block on it that caught my attention, so I investigated it in detail. It turns out t...
10 comments:
Teardown of a logic chip from a vintage IBM ES/9000 mainframe
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IBM and its large mainframe computers ruled the computer industry for decades. But during the 1980s, mainframes faced increasing competiti...
11 comments:
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