Intel Desktop Board DG31GL Product Guide
40
Connecting to the Front Panel Audio Header
Figure 19, A on page 39 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 Intel High Definition Audio Header Signal Names
Pin Signal Name Pin Signal Name
1 PORT1L (MIC) 2 GND
3 PORT1R (MIC) 4 PRESENCE#
5 PORT2R (Line) 6 MIC Jack Detect
7 SENSE_SEND 8 KEY (no pin)
9 PORT2L (Line) 10 Line Jack Detect
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.
Connecting to the S/PDIF Connector
Figure 19, B on page 39 shows the location of the S/PDIF connector. Table 5 shows
the pin assignments for the S/PDIF connector.
Table 5. S/PDIF Connector Signal Names
Pin Description
1 V
CC
2 SPDIF OUT
3 Ground
Connecting to the Serial Port Header
See Figure 19, C on page 39 for the location of the serial port header. Table 6 shows
the pin assignments for the serial port header.
Table 6. Serial Port Header Signal Names
Pin Signal Name Pin Signal Name
1 DCD 2 RXD#
3 TXD# 4 DTR
5 Ground 6 DSR
7 RTS 8 CTS
9 RI 10 No Connection
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