Ken Hornstein writes:
 >                  CPU      OK KN15-BA -V2.4-S462-I077-sV1.0-DECchip 21064 P3.0
							^^^^^

The ...-sV1.0 means you have SROM version 1.0.  You need the upgrade.

 > 
 > Is it possible to download/buy an SROM upgrade, or is it soldered on the
 > board?  (If it's that EEPROM that I see on the board, then I could just
 > burn a new one with our EEPROM burner).

You *should* be able to get DEC Service to give you one for free.  It
may take some convincing, but I was able to get 2 new chips for a pair
of 3000/400's where I used to work.

Drew