Installing and Replacing Desktop Board Components
33
Installing a Front Panel Audio Solution
Figure 11, A shows the location of the front panel audio header. Table 4 shows the pin
assignments for the front panel audio header.
Table 4. Front Panel 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
To install a cable that connects a 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. Locate the front panel audio header. Remove the two jumpers from the header to
disable the back panel audio connectors.
5. Install a correctly keyed and shielded front panel audio cable.
6. Connect the audio cable to the front panel audio solution.
7. Replace the cover.
To restore back panel operations, 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. Install a jumper on pins 5-6 (rear R channel).
6. Install a jumper on pins 9-10 (rear L channel).
7. Replace the cover.
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