Oki OKIPAGE 10ex Troubleshooting Manual page 6

A2 to A23
D0 to D31
CAS0 to
CAS3
RAS2 to
RAS4
ORE, RD,
WR
CS3, EEPCS, EECLK
EEPDAT
IOS1
Figure 3-2 Memory Expansion Board Block Diagram (Option)
40990901TH Rev.1
PD2, 3
RAS2 RAS3, 4
ORE WR
WR
BSY
RD
WR
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