Re:
PIICEON memory board:
also the IC at 9B is missing and the board screening
does not identify what
should go there.
Mine has a DM74LS11N made by National Semiconductor there. You may want
to verify that with Stan S.
The chip in 9B on mine is marked:
7927A
SN74LS11N
made in Malaysia.
(Sorry, lost Barry's address, so this isn't going directly to him)
Stan