Com1/Com2 Serial Line Connector Pinouts (J4); Keyboard/Mouse Connector Pinouts (J5) - Compaq AlphaPC 164LX User Manual

4.7 COM1/COM2 Serial Line Connector Pinouts
Table 4–7 shows the COM1/COM2 serial line connector pinouts.
Table 4–7 COM1/COM2 Serial Line Connector Pinouts (J4)
COM1 Pin
(Top)
1
2
3
4
5
6
7
8
9
4.8 Keyboard/Mouse Connector Pinouts
Table 4–8 shows the keyboard/mouse connector pinouts.
Table 4–8 Keyboard/Mouse Connector Pinouts (J5)
Keyboard Pin
(Top)
1
2
3
4
5
6
COM1/COM2 Serial Line Connector Pinouts
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
AlphaPC 164LX Connector Pinouts
4–7