Installing and Replacing Desktop Board Components
41
Installing a Front Panel Audio Solution for Intel
®
High
Definition Audio
Figure 20, B on page 40 shows the location of the yellow front panel audio header.
Table 4 shows the pin assignments for the front panel audio header.
Table 4. 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 5 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 5. 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.
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