A2000 HC Series II (no RAM)

CN1    LED connector
US     Autoboot EPROM
J5     Autobooting
CN2    50 pin SCSI connector

A2000 HC+8 Series II

SIMMS: The SIMMs must be inserted in a specific order. They go in from
the innermost (CN10) to the outermost (CN17) sockets. The outermost
socket would be the one closest to the card's edge.
SIMMS can be either 1Mb x 8 or 1Mb x 9 (parity).
J5-J9  RAM Jumpers
J4     Auto-booting
J10-12 SCSI ID Jumpers
CN1    LED COnnector
U3     Autoboot EPROM
CN2    50 pin SCSI connector
Memory	SIMM Locations	J5	J6	J7	J8	J9
0	NON		OFF	OFF	ON	OFF	ON
2	CN10-CN11	OFF	ON	OFF	OFF	ON
4	CN10-CN13	ON	OFF	OFF	OFF	ON
6	CN10-CN15	OFF	OFF	ON	ON	OFF
8	CN10-CN17	OFF	ON	OFF	ON	OFF