Installing and Replacing Desktop Board Components
31
Connecting the Front Panel Audio Header
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 for HD 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 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 21.
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.
Connecting the S/PDIF Connector
Before connecting to the S/PDIF connector, observe the precautions in "Before You
Begin" on page 21. See Figure 11, B on page 30 for the location of the front panel
header.
Table 5 shows the pin assignments for th
e front panel header.
Table 5. S/PDIF Connector Signal Names
Pin Signal Name
1 VCC
2 S/PDIF out
3 Ground
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