Lenovo PC 300PL Techical Information Manual - Page 41

SCSI high frequency LED connectors, CD audio connector, USB port connectors

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Appendix A. Connector pin assignments SCSI high frequency LED connectors Figure 28. SCSI high frequency LED connector pin assignments Pin Description 1 Not connected 2 to LED 3 to LED 4 Not connected CD audio connector Figure 29. CD audio connector pin assignments Pin Description 1 CD in left 2 CD in Ground 3 CD in Ground 4 CD in Right USB port connectors 1 2 3 4 Figure 30. USB port connector pin assignments Pin Signal 1 VCC 2 -Data 3 +Data 4 Ground Mouse and keyboard port connectors 6 4 2 5 3 1 Figure 31 (Page 1 of 2). Mouse port connector pin assignments Pin Signal I/O Pin Signal I/O 1 Data I/O 2 Reserved I/O 3 Ground NA 4 +5 V dc NA Appendix A. Connector pin assignments 33

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Appendix A.
Connector pin assignments
SCSI high frequency LED connectors
CD audio connector
USB port connectors
4
3
2
1
Mouse and keyboard port connectors
6
4
2
1
3
5
Figure 28. SCSI high frequency LED connector pin assignments
Pin
Description
1
Not connected
2
to LED
3
to LED
4
Not connected
Figure 29. CD audio connector pin assignments
Pin
Description
1
CD in left
2
CD in Ground
3
CD in Ground
4
CD in Right
Figure 30. USB port connector pin assignments
Pin
Signal
1
VCC
2
-Data
3
+Data
4
Ground
Figure 31 (Page 1 of 2). Mouse port connector pin assignments
Pin
Signal
I/O
Pin
Signal
I/O
1
Data
I/O
2
Reserved
I/O
3
Ground
NA
4
+5 V dc
NA
Appendix A.
Connector pin assignments
33