7 com1/com2 serial line connector pinouts, Table 2–8 com1/com2 serial line connector pinouts, 8 keyboard/mouse connector pinouts – Compaq 164SX User Manual
Page 32: Table 2–9 keyboard/mouse connector pinouts (j4), Com1/com2 serial line connector pinouts, Keyboard/mouse connector pinouts, Com1/com2 serial line connector pinouts (j3), Keyboard/mouse connector pinouts (j4)
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2–12
System Configuration and Connectors
AlphaPC 164SX Connector Pinouts
2.7.7 COM1/COM2 Serial Line Connector Pinouts
Table 2–8 shows the COM1/COM2 serial line connector pinouts.
2.7.8 Keyboard/Mouse Connector Pinouts
Table 2–9 shows the keyboard/mouse connector pinouts.
Table 2–8 COM1/COM2 Serial Line Connector Pinouts (J3)
COM1 Pin
(Top)
COM1 Signal
COM2 Pin
(Bottom)
COM2 Signal
1
DCD1
1
DCD2
2
RxD1
2
RxD2
3
TxD1
3
TxD2
4
DTR1
4
DTR2
5
SG1
5
SG2
6
DSR1
6
DSR2
7
RTS1
7
RTS2
8
CTS1
8
CTS2
9
RI1
9
RI2
Table 2–9 Keyboard/Mouse Connector Pinouts (J4)
Keyboard Pin
(Top)
Keyboard Signal
Mouse Pin
(Bottom)
Mouse Signal
1
KBDATA
1
MSDATA
2
NC
2
NC
3
Gnd
3
Gnd
4
Vdd
4
Vdd
5
KBCLK
5
MSCLK
6
NC
6
NC
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