Table 13. Front Chassis Fan And Rear Chassis Fan Connectors; Table 14. Processor Fan Connector And Auxiliary Rear Fan Connector; Table 15. Chassis Intrusion Connector; Table 16. Scsi Hard Drive Activity Led Connector (Optional) - Intel SE7221BA1 Technical Manual

Intel® Entry Server Board SE7221BA1-E TPS
Pin Signal Name
1 Control
2 +12 V
3 Tach
Pin Signal Name
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Pin Signal Name
1 Intruder
2 Ground

Table 16. SCSI Hard Drive Activity LED Connector (Optional)

Pin Signal Name
1 SCSI_ACT#
2 No connect
Pin Signal Name
1 Ground
2 TXP
3 TXN
4 Ground
5 RXN
6 RXP
7 Ground
Revision 1.5
Table 13. Front Chassis Fan and Rear Chassis
Fan Connectors
Table 14. Processor Fan Connector and Auxiliary
Rear Fan Connector

Table 15. Chassis Intrusion Connector

Table 17. Serial ATA Connectors

Connections and Jumper Blocks
33