Cheap board guy

[Jerry Weiss]

On Aug 21, 2015, at 2:00 PM, Noel Chiappa <jnc at mercury.lcs.mit.edu> wrote:
> 
>> From: Mark G. Thomas
> 
>> 4x M8192 - KDJ11 (AA or AB?) -- two work, two fail POST
> 
> And alas, we don't seem to have any prints for that card (although we do have
> what amounts to a tech manual, so maybe we can create a set, with a certain
> amount of tracing with an ohmmeter), so at the moment, at least, fixing them
> isn't so easy.
> 

I picked up one KDJ11-AA  and two DLV11J’s.    The serial boards were fine.  

At first I thought the KDJ11 was DOA as well but when I toggled the
the power supply (w8 removed and internal wakeup) quickly, it boots RT11 and TSX+.

Q-Bus voltages seem within specs, but more to investigate.