Technical Reference
43
2.2.2.1
Signal Tables for the Connectors and Headers
Table 13. Serial Port Header
Pin
Signal Name
Pin
Signal Name
1
DCD (Data Carrier Detect)
2
RXD# (Receive Data)
3
TXD# (Transmit Data)
4
DTR (Data Terminal Ready)
5
Ground
6
DSR (Data Set Ready)
7
RTS (Request To Send)
8
CTS (Clear To Send)
9
RI (Ring Indicator)
10
Key (no pin)
Table 14. S/PDIF Header
Pin Signal
Name
1 Ground
2 S/PDIF
out
3
Key (no pin)
3 +5V_DC
Table 15. 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# (HD Audio/AC ’97 detect)
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 16. Front Panel Audio Header for Passive AC ’97 Audio
Pin Signal
Name
Pin Signal
Name
1
MIC
2
AUD_GND
3 MIC_BIAS
4 PRESENCE#
(HD Audio/AC ’97 detect)
5 FP_OUT_R
6 AUD_GND
7
NC (no connect)
8
KEY (no pin)
9 FP_OUT_L
10
AUD_GND
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