Intel S975XBX2 Product Specification - Page 58
Table 19. Front Chassis, Rear Chassis, and MCH Fan Headers
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Intel Workstation Board S975XBX2 Technical Product Specification Table 17. ATAPI CD-ROM Connector (Optional) Pin Signal Name 1 Left audio input from CD-ROM 2 CD audio differential ground 3 CD audio differential ground 4 Right audio input from CD-ROM Table 18. Front Panel Audio Header Pin Signal Name 1 Port E [Port 1] Left Channel 3 Port E [Port 1] Right Channel 5 Port F [Port 2] Right Channel 7 Port E [Port 1] and Port F [Port 2] Sense send (jack detection) 9 Port F [Port 2] Left Channel Pin Signal Name 2 Ground 4 Presence# (dongle present) 6 Port E [Port 1] Sense return (jack detection) 8 Key 10 Port F [Port 2] Sense return (jack detection) # INTEGRATOR'S NOTE The front panel audio header is colored yellow. Table 19. Front Chassis, Rear Chassis, and MCH Fan Headers Pin Signal Name 1 Control 2 +12 V 3 Tach Table 20. Processor Fan and Auxiliary Rear Fan Header Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CONTROL 58