Appendix A. Connector pin assignments
SCSI high frequency LED connectorsCD audio connectorUSB port connectors
4
3
2
1
Mouse and keyboard port connectors
6
4
21
3
5

Figure 28. SCSI high frequencyLED connectorpin assignments

Pin Description
1 Not connected
2 to LED
3 to LED
4 Not connected

Figure 29. CD audio connectorpin assignments

Pin Description
1 CD in left
2 CD in Ground
3 CD in Ground
4 CD in Right

Figure 30. USB port connectorpin assignments

Pin Signal
1 VCC
2 -Data
3 +Data
4 Ground

Figure 31 (Page 1 of 2). Mouse portconnector pinassignments

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