Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Examining the core memory module inside a vintage IBM 1401 mainframe
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The IBM 1401 mainframe computer was announced in 1959 and by the mid-1960s had become the best-selling computer , extremely popular with me...
6 comments:
Bitcoin mining on a 55 year old IBM 1401 mainframe: 80 seconds per hash
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Could an IBM mainframe from the 1960s mine Bitcoin? The idea seemed crazy, so I decided to find out. I implemented the Bitcoin hash algorith...
36 comments:
The Texas Instruments TMX 1795: the (almost) first, forgotten microprocessor
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The first 8-bit microprocessor, the TMX 1795 had the same architecture as the 8008 but was built months before the 8008. Never sold commerci...
35 comments:
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