Intel DG31PR Product Guide - Page 46

Connecting to the Front Panel Audio Header, Connecting to the S/PDIF Connector

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Intel Desktop Board DG31PR Product Guide Connecting to the Front Panel Audio Header Figure 21, A on page 45 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 1 PORT 1L 3 PORT 1R Pin Signal Name 2 GND 4 PRESENCE# 5 PORT 2R 6 SENSE1_RETURN 7 SENSE_SEND 9 PORT 2L 8 KEY (no pin) 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 27. 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 21, B on page 45 shows the location of the S/PDIF connector. Table 5 shows the pin assignments for the S/PDIF connector. Table 5. S/PDIF Connector Pin Description 1 VCC 2 SPDIF OUT 3 Ground Connecting to the Chassis Intrusion Header Figure 21, C on page 45 shows the location of the chassis intrusion header. This header can be connected to a mechanical switch on the chassis to detect if the chassis cover is removed. Table 6 shows the pin assignments for the chassis intrusion header. Table 6. Chassis Intrusion Header Pin Description 1 Intruder 2 Ground 46

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Intel Desktop Board DG31PR Product Guide
46
Connecting to the Front Panel Audio Header
Figure 21, A on page 45 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
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 27.
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 21, B on page 45 shows the location of the S/PDIF connector.
Table 5 shows
the pin assignments for the S/PDIF connector.
Table 5. S/PDIF Connector
Pin
Description
1
V
CC
2
SPDIF OUT
3
Ground
Connecting to the Chassis Intrusion Header
Figure 21, C on page 45 shows the location of the chassis intrusion header.
This
header can be connected to a mechanical switch on the chassis to detect if the chassis
cover is removed.
Table 6 shows the pin assignments for the chassis intrusion header.
Table 6. Chassis Intrusion Header
Pin
Description
1
Intruder
2
Ground