PDP-8/E PSU Debugging (was Q-bus pinout)

From: Chuck McManis <cmcmanis_at_mcmanis.com>
Date: Fri Apr 9 23:17:38 1999

At 09:07 PM 4/9/99 -0700, I wrote:
>If I had to hazard a guess, I'd say that someone had ECO'd this 8 to sense
>the voltage level on the bus using the rear connector by connecting 5volts
>at the back of the bus into the regulator board in the PSU.

Oh, and the person who eco'd it apparently didn't realize that the bus
connectors don't pass power from one backplane to the next ...

--Chuck
Received on Fri Apr 09 1999 - 23:17:38 BST