Intel Desktop Board D975XBX Technical Product Specification
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Table 18. 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 19. Front Panel Audio Connector
Pin Signal Name Pin Signal Name
1 Port E [Port 1] Left Channel 2 Ground
3 Port E [Port 1] Right Channel 4 Presence# (dongle present)
5 Port F [Port 2] Right Channel 6 Port E [Port 1] Sense return
(jack detection)
7 Port E [Port 1] and Port F [Port 2]
Sense send (jack detection)
8 Key
9 Port F [Port 2] Left Channel 10 Port F [Port 2] Sense return
(jack detection)
#
INTEGRATOR’S NOTE
The front panel audio connector is colored yellow.
Table 20. Front Chassis Fan and Rear Chassis
Fan Connectors
Pin Signal Name
1 Control
2 +12 V
3 Tach
Table 21. Processor Fan Connector and
Auxiliary Rear Fan Connector
Pin Signal Name
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL