DEC H7260 PSU fault

[Ethan Dicks]

On Sat, Jan 27, 2018 at 4:34 PM, Jules Richardson via cctalk
<cctalk at classiccmp.org> wrote:
> Success!


Congratulations!

> I'd left the rear panel console settings how they were when I got the
> machine, I mean 'T' for terminal, right? Wrong... arrow for terminal, 'T'
> for "sit there alternating between F and 9, and driving Jules insane" ;)

'T' is 'Loop Test'...

http://www.mcmanis.com/chuck/computers/vaxen/panels.htm
http://www.vaxination.ca/vms/microvax/uVAXII_HWinfo_Sep87.pdf

> I'm getting console output now, and it's getting down to trying to load
> system software
>
> Will throw boards back in there and see what happens...

Just be sure to follow the grant chain - the BA23 and BA123 have a
hybrid backplane where the first few slots are CD slots and the rest
are serpentine (3 CD slots for BA23, 5 CD slots for BA123).

http://web.frainresearch.org:8080/projects/pdp-11/chassis.php
http://vaxarchive.org/hardware/qbus1.html

-ethan