Intel Desktop Board DP43BFL Product Guide
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Front Panel HD Audio Header
The front panel audio header shown in Figure 22, A supports both Intel HD Audio and
AC ’97 Audio.
Table 5 shows the pin assignments and signal names for HD Audio and Table 6 shows
the pin assignments and signal names for AC ’97 Audio.
Table 5. Front Panel Audio Header Signal Names for Intel HD Audio
Pin Signal
Name
Pin Signal
Name
1
PORT 1L (Microphone)
2
GND
3
PORT 1R (Microphone)
4
PRESENCE#
5
PORT 2R (Headphone)
6
SENSE1_RETURN
7 SENSE_SEND
8 KEY
(no
pin)
9
PORT 2L (Headphone)
10
SENSE2_RETURN
Table 6. Front Panel Audio Header Signal Names for AC ’97 Audio
Pin Signal
Name
Pin Signal
Name
1
MIC
2
AUD_GND
3 MIC_BIAS
4 PRESENCE#
5 FP_OUT_R
6 AUD_GND
7
No connection
8
KEY (no pin)
9 FP_OUT_L
10
AUD_GND
S/PDIF Header
Figure 22, B shows the location of the S/PDIF header. Table 7 shows the pin
assignments and signal names for the S/PDIF header.
Table 7. S/PDIF Connector Signal Names
Pin Signal
Name
1
Ground
2 S/PDIF
Out
3
Key (no pin)
4 +5
VDC
