Intel DP43BF Product Guide - Page 46

Front Panel HD Audio Header, S/PDIF Header

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Intel Desktop Board DP43BF Product Guide 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 1 PORT 1L (Microphone) 3 PORT 1R (Microphone) Pin Signal Name 2 GND 4 PRESENCE# 5 PORT 2R (Headphone) 6 SENSE1_RETURN 7 SENSE_SEND 9 PORT 2L (Headphone) 8 KEY (no pin) 10 SENSE2_RETURN Table 6. Front Panel Audio Header Signal Names for AC '97 Audio Pin Signal Name 1 MIC 3 MIC_BIAS 5 FP_OUT_R 7 No connection 9 FP_OUT_L Pin Signal Name 2 AUD_GND 4 PRESENCE# 6 AUD_GND 8 KEY (no pin) 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 46

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Intel Desktop Board DP43BF Product Guide
46
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