This
RAM Adapter plugs into a RAM chip socket on the
Memory-2 Board replacing the default 512K x 8 (AS6C4008)
RAM chip with a larger 2048K x 8 (CY62167ELL) part.
Additional
68000 bus signals i.e. A21 and A20 must be routed
to HDR1 on the RAM Adapter from the system backplane
headers using fly leads.
Signal
Backplane Header
RAM
Adapter HDR1
68000
bus - A21
H1 pin 29
A20
68000
bus - A20
H2 pin 29
A19
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