Oki OKIPAGE 10ex Troubleshooting Manual page 32

3.15 RS-232C Serial Interface Option Board
A2 to A23
D0 to D31
CAS0 to
CAS3
RAS2 to
RAS4
ORE, RD,
WR
CS3, EEPCS, EEPCLK
EEPDAT
IOS1
TXD, RST, DTR
RS-232C Serial Interface Board Block Diagram (Option)
The RS-232C Serial Interface Option Board is provided with a RS-232C I/F and two SIMM slots.
The SIMM1 slot is used for installation of a DRAM SIMM.
The SIMM2 slot is used for installation of a Flash SIMM.
40990901TH Rev.1
PD2, 3
BSY
RAS3, 4 RD
WR WR
RXD
RS-232C
CONNECTOR
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