Both Eproms: ~~ = Nat Semi SB8952 NMC27CP128Q 200 Middle Eprom Label ADAPTEC INC 420504-00 C MCODE E7BC c. 1988 Connector End Label ADAPTEC INC 420403-00 A BIOS 9700 c. 1988 Big Chip AHA 1542A 420300 E 9003 Card adaptec, inc. AHA-1542A ASSY 416006-01 REV E CPU P8085AH-2 K934924