Intel Desktop Board DQ45EK Technical Product Specification
52
2.2.2.1
Signal Tables for the Connectors and Headers
Table 11. Front Panel Audio Header for 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 12. 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
Table 13. Serial ATA Connectors
Pin Signal
Name
1 Ground
2 TXP
3 TXN
4 Ground
5 RXN
6 RXP
7 Ground
Table 14. 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 15. Chassis Intrusion Header
Pin Signal
Name
1 Intruder
2 Ground