Datasheet

Technical Reference

Table 22. SCSI Hard Drive Activity LED

Connector (Optional)

Pin Signal Name

1 SCSI_ACT#

2 No connect

Table 23. Serial ATA Connectors

Pin Signal Name

1 Ground

2 TXP

3 TXN

4 Ground

5 RXN

6 RXP

7 Ground

Table 24. Processor Fan Connector

Pin Signal Name

1 Ground

2 +12 V

3 FAN_TACH

4 FAN_CONTROL

2.8.2.1 Chassis Fan Connectors

The board has three standard and one optional chassis fan connectors:

• Front chassis fan

• Rear chassis fan 1

• Rear chassis fan 2

• ATX fan connector (optional)

Table 25 lists the signal names for the chassis fan connectors. These signal names apply to all

chassis fan connectors.

Table 25. Chassis Fan Connectors

Pin Signal Name

1 Control

2 +12 V

3 Tach