Intel BLKD915GAGL - SCSI Hard Drive Activity LED Connector (Optional); Serial ATA Connectors; Processor Fan Connector; Chassis Fan Connectors

Technical Reference
71
Table 27. SCSI Hard Drive Activity LED
Connector (Optional)
Pin Signal Name
1 SCSI_ACT#
2 No connect
Table 28. Serial ATA Connectors
Pin Signal Name
1 Ground
2 TXP
3 TXN
4 Ground
5 RXN
6 RXP
7 Ground
Table 29. 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 D915GAV 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)
The D915GAG board has two chassis fan connectors:
• Front chassis fan
• Rear chassis fan
Table 30 lists the signal names for the chassis fan connectors. These signal names apply to all
chassis fan connectors for both boards.
Table 30. Chassis Fan Connectors
Pin Signal Name
1 Control
2 +12 V
3 Tach