Technical Reference
45
Table 15. Front and Rear Chassis Fan Headers
Pin Signal
Name
1 Control
2 +12
V
3 Tach
Table 16. Auxiliary Chassis Fan Header
Pin Signal
Name
1 Ground
2 +12
V
3 FAN_TACH
4 FAN_CONTROL
Table 17. Processor Fan Header
Pin Signal
Name
1 Ground
2 +12
V
3 FAN_TACH
4 FAN_CONTROL
Table 18. Front Panel Audio Header for Intel HD Audio
Pin
Signal Name
Pin
Signal Name
1
[Port 1] Left channel
2
Ground
3
[Port 1] Right channel
4
PRESENCE# (Dongle present)
5
[Port 2] Right channel
6
[Port 1] SENSE_RETURN
7
SENSE_SEND (Jack detection)
8
Key (no pin)
9
[Port 2] Left channel
10
[Port 2] SENSE_RETURN
Table 19. Front Panel Audio Header for AC ’97 Audio
Pin Signal
Name
Pin Signal
Name
1
MIC
2
AUD_GND
3 MIC_BIAS
4 AUD_GND
5 FP_OUT_R
6 FP_RETURN_R
7 AUD_5V
8 KEY
(no
pin)
9 FP_OUT_L
10
FP_RETURN_L
