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AlphaPC 164LX Connector Pinouts
2.7.7 COM1/COM2 Serial Line Connector Pinouts
Table 2–8 shows the COM1/COM2 serial line connector pinouts.
Table 2–8 COM1/COM2 Serial Line Connector Pinouts (J4)
COM1 Pin
(Top)
1
2
3
4
5
6
7
8
9
2.7.8 Keyboard/Mouse Connector Pinouts
Table 2–9 shows the keyboard/mouse connector pinouts.
Table 2–9 Keyboard/Mouse Connector Pinouts (J5)
Keyboard Pin
(Top)
1
2
3
4
5
6
System Configuration and Connectors
2–12
COM1 Signal
DCD1
RxD1
TxD1
DTR1
SG1
DSR1
RTS1
CTS1
RI1
Keyboard Signal
KBDATA
NC
Gnd
Vdd
KBCLK
NC
COM2 Pin
(Bottom)
COM2 Signal
1
DCD2
2
RxD2
3
TxD2
4
DTR2
5
SG2
6
DSR2
7
RTS2
8
CTS2
9
RI2
Mouse Pin
(Bottom)
Mouse Signal
1
MSDATA
2
NC
3
Gnd
4
Vdd
5
MSCLK
6
NC
22 January 1998 – Subject To Change
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