Intel DH57JG Product Guide - Page 45

Front Panel Audio Header, Alternate Front Panel Power LED Header

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Installing and Replacing Desktop Board Components Front Panel Audio Header The front panel audio header shown in Figure 20, A supports both Intel High Definition (HD) Audio and AC '97 Audio. Table 7 shows the pin assignments and signal names for HD Audio and Table 8 shows the pin assignments and signal names for AC '97 Audio. Table 7. Front Panel Audio 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 8. Front Panel Audio Header Signal Names for AC '97 Audio Pin Signal Name 1 MIC 3 MIC_BIAS 5 FP_OUT_R 7 No connect 9 FP_OUT_L Pin Signal Name 2 AUD_GND 4 PRESENCE# 6 AUD_GND 8 KEY (no pin) 10 AUD_GND Alternate Front Panel Power LED Header Figure 20, B shows the location of the alternate front panel power LED header. Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. If your chassis has a three-pin power LED cable, connect it to this header. Table 9 shows the pin assignments for the alternate front panel header. Table 9. Alternate Front Panel Power LED Header Signal Names Pin Signal Name 1 Front panel LED+ 2 No pin 3 Front panel LED- In/Out Out Out 45

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Installing and Replacing Desktop Board Components
45
Front Panel Audio Header
The front panel audio header shown in Figure 20, A supports both Intel High Definition
(HD) Audio and AC ’97 Audio.
Table 7 shows the pin assignments and signal names for HD Audio and Table 8 shows
the pin assignments and signal names for AC ’97 Audio.
Table 7. Front Panel Audio 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 8.
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 connect
8
KEY (no pin)
9
FP_OUT_L
10
AUD_GND
Alternate Front Panel Power LED Header
Figure 20, B shows the location of the alternate front panel power LED header.
Pins 1
and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header.
If
your chassis has a three-pin power LED cable, connect it to this header.
Table 9
shows the pin assignments for the alternate front panel header.
Table 9. Alternate Front Panel Power LED Header Signal Names
Pin
Signal Name
In/Out
1
Front panel LED+
Out
2
No pin
3
Front panel LED-
Out