Northstar S100 compatability - test-drb@ccmp.vtda.org

20 Mar 1998

...
 Hmm; I'm glad to hear that the N* isn't *too*
fussy about the memory
...
 cards it plays with - it makes the job of finding
spares a whole lot easier!
...

Regards repairs to the existing boards, I may well end up admitting
...
 defeat in the short term - if it's a duff 4027
chip, I'm stuffed -
...
 there's 32 of 'em to choose from!
 Now that's where an IMSAI front panel really paid off.  You put
in the card, stored an FF in the first location, the panel
display show EF instead...bingo, the RAM on D4 is bad (or more
likely a bent pin or upside down in socket).
    Jack Peacock