Dave McGuire wrote:
>    Nope...In fact I've never seen a KA630 that had such advanced
> commands in the ROMs; earlier or otherwise.  The oldest CPU board
> I've seen with those capabilities is the KA650.

In fact the very earliest KA650 ROMs were also lacking SHOW QBUS,
SHOW DEVICE and CONFIG (plus probably more that I've forgotten
and never cared about).

If I had a dodgy system in the lab, I'd usually swap in a KA650
just to diagnose it more quickly.

Antonio