PDP-11/34 PSU Yet Again (Thanks)

From: Jeffrey Sharp <jss_at_subatomix.com>
Date: Thu Mar 6 21:42:00 2003

On Thursday, March 6, 2003, Tony Duell wrote:
>> I got confused by the print set on the representation of front vs back
>> views
>
> Wait until you sart populating a large backplane of flip-chips like an
> RK11-C or worse a DX11. The printsets show the backplanes from the wiring
> side you seen. Took me a bit of time to figure that one out (as in 'Hey,
> why are all the PCBs in the wrong slots??').

Thankfully, I already figured that out! I can imagine that causing all sorts
of problems, including much let-outage of magic smoke.

> Most likely you have one of the older H745s with a light bulb not an LED,
> and the bulb has failed (they do this from time to time ;-)).

That is probably exactly what is going on. Thank you and Peter for the
information. If all goes well with other things, I'll be testing the CPU,
memory, and console serial line this weekend.

-- 
Jeffrey Sharp
Received on Thu Mar 06 2003 - 21:42:00 GMT

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