An Amdahl 470V/6 processor module

A 1975 mainframe module with wiring to give an engineer nightmares.

A processor module from the 1975 Amdahl 470V/6 mainframe. Gene Amdahl first designed System/360, then left IBM and launched his own line of compatible machines that were cheaper and faster.

An Amdahl 470V/6 processor module — photo 1

How did they debug faults with wiring like that? An engineer's nightmare.

An Amdahl 470V/6 processor module — photo 2

Modules occasionally turn up on eBay for around $1,000.

An Amdahl 470V/6 processor module — photo 3

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Translated from the original Russian post.

Original post on Telegram ↗