Lenovo PC 300PL Technical Information Manual for IBM PC300GL (Type 6563, 6564, - Page 52
Mouse and keyboard port connectors, Serial port connector, Table 28.
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Mouse and keyboard port connectors 6 4 2 5 3 1 Table 28. Mouse port connector pin assignments Pin Signal I/O Pin 1 Data I/O 4 2 Reserved I/O 5 3 Ground N/A 6 Table 29. Keyboard port connector pin assignments Pin Signal I/O Pin 1 Keyboard data I/O 4 2 Mouse data I/O 5 3 Ground N/A 6 Serial port connector Signal +5 V dc Clock Reserved I/O N/A I/O N/A Signal +5 V dc Keyboard Clock Mouse clock I/O N/A I/O N/A 1 5 6 9 Table 30. Serial port connector pin assignments Pin Signal I/O Pin 1 Data carrier detect I 5 2 Receive data# I 6 3 Transmit data# O 7 4 Data terminal read O 8 9 Ring indicator Signal Ground Data set ready Request to send Clear to send I/O N/A I O I Appendix A. Connector pin assignments 45
Appendix A. Connector pin assignments
45
Mouse and keyboard port connectors
Serial port connector
Table 28.
Mouse port connector pin assignments
Pin
Signal
I/O
Pin
Signal
I/O
1
Data
I/O
4
+5 V dc
N/A
2
Reserved
I/O
5
Clock
I/O
3
Ground
N/A
6
Reserved
N/A
Table 29.
Keyboard port connector pin assignments
Pin
Signal
I/O
Pin
Signal
I/O
1
Keyboard data
I/O
4
+5 V dc
N/A
2
Mouse data
I/O
5
Keyboard
Clock
I/O
3
Ground
N/A
6
Mouse clock
N/A
Table 30.
Serial port connector pin assignments
Pin
Signal
I/O
Pin
Signal
I/O
1
Data carrier detect
I
5
Ground
N/A
2
Receive data#
I
6
Data set ready
I
3
Transmit data#
O
7
Request to send
O
4
Data terminal read
O
8
Clear to send
I
9
Ring indicator
6
4
2
1
3
5
1
5
6
9