Intel D2550DC2 Technical product specification - Page 43

Signal Tables for the Connectors and Headers, Front Panel Audio Header for Intel HD Audio

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Technical Reference 2.2.2.1 Signal Tables for the Connectors and Headers Table 11. System Fan Header Pin Signal Name 1 Ground 2 +12 V (PWM controlled pulses) 3 Tach Table 12. SATA Connectors Pin Signal Name 1 Ground 2 TXP 3 TXN 4 Ground 5 RXN 6 RXP 7 Ground Table 13. Front Panel Wireless Activity LED Header Pin Signal Name 1 Ground 2 MINICARD_WLAN# Table 14. 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 15. 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 43

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Technical Reference
43
2.2.2.1
Signal Tables for the Connectors and Headers
Table 11.
System Fan Header
Pin
Signal Name
1
Ground
2
+12 V (PWM controlled pulses)
3
Tach
Table 12.
SATA Connectors
Pin
Signal Name
1
Ground
2
TXP
3
TXN
4
Ground
5
RXN
6
RXP
7
Ground
Table 13.
Front Panel Wireless Activity LED Header
Pin
Signal Name
1
Ground
2
MINICARD_WLAN#
Table 14.
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 15.
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