Installing and Replacing Desktop Board Components
39
Installing a Front Panel Audio Solution
Figure 19, E on page 38 shows the location of the yellow front panel audio header. Table 5 shows
the pin assignments for the front panel audio header.
Table 5. Front Panel Audio Header Signal Names
Pin Signal Name Pin Signal Name
1 Port1L 2 GND
3 Port1R 4 Presence#
5 Port2R 6 Sense1 Ret
7 Sense Send 8 Key (no pin)
9 Port2L 10 Sense2 Ret
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. Locate the yellow 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 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. 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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