Intel Desktop Board D945GPM Product Guide
40
Installing a Front Panel Audio Solution for Intel
®
High Definition Audio
Figure 20, A on page 39 shows the location of the yellow front panel audio header. Table 6 shows
the pin assignments for the front panel audio header.
Table 6.
Front Panel Audio Header Signal Names for Intel High Definition Audio
Pin Signal
Name
Pin Signal
Name
1
PORT 1L
2
GND
3 PORT
1R
4 PRESENCE#
5 PORT
2R
6 SENSE1_RETURN
7 SENSE_SEND
8 KEY
(no
pin)
9 PORT
2L
10
SENSE2_RETURN
To install the cable that connects the front panel audio solution to the front panel audio header,
follow these steps:
1.
Observe the precautions in "Before You Begin" on page 23.
2.
Turn off all peripheral devices connected to the computer. Turn off the computer and
disconnect the AC power cord.
3.
Remove the cover.
4.
Install a correctly keyed and shielded front panel audio cable.
NOTE:
some chassis still use a front panel audio solution based on the AC ’97 audio
specification. Refer to Table 10 below to connect an AC ’97 front panel solution to the front
panel audio header on the board. The front panel audio jacks will need to be manually
configured for microphone or line out functionality in the Intel Audio Studio application.
Table 7.
AC ’97 Audio Header Signal Names
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
9 FP_OUT_L
10 FP_RETURN_L
5.
Connect the audio cable to the front panel audio solution.
6.
Replace the cover.
To restore back panel audio, follow these steps:
1.
Observe the precautions in "Before You Begin" on page 23.
2.
Turn off all peripheral devices connected to the computer. Turn off the computer and
disconnect the AC power cord.
3.
Remove the cover.
4.
Remove the front panel audio cable.
5.
Replace the cover.
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