Scsi Hard Drive Activity Led Connector (Optional); Serial Ata Connectors; Processor Fan Connector; Chassis Fan Connectors - Intel BLKD915PGNL - LGA775 800FSB 4DDR Audio Lan SATA ATX 4PCI Technical Product Specification

Table 26. SCSI Hard Drive Activity LED
Connector (Optional)
Pin Signal Name
1 SCSI_ACT#
2 No connect
Table 27.

Serial ATA Connectors

Pin Signal Name
1 Ground
2 TXP
3 TXN
4 Ground
5 RXN
6 RXP
7 Ground
Table 28.

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 D915PGN 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 D915PSY board has two chassis fan connectors:
•
Front chassis fan
•
Rear chassis fan
Table 29 lists the signal names for the chassis fan connectors. These signal names apply to all
chassis fan connectors for both boards.
Table 29. Chassis Fan Connectors
Pin Signal Name
1 Control
2 +12 V
3 Tach
Technical Reference
71