Unfortunately the photo of the power supplies doesn't have enough pixels to read the power ratings on either the original linear supplies (which likely wasted a buttload of power) or the modern switch-mode power supplies.
Kirk: Need MORE PIXELS, Scotty!
Scott: I cannae bend th'laws of physics, Captain!
Seriously: this is a nice achievement! SN 522 isn't the one that was on display at the formerly living computer museum, I don't think... What happened to that one?
Thanks and regards,
John Francini
[10,422] back in the day...
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"It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts." -- Sherlock Holmes, A Scandal in Bohemia