Intel DG31PR Product Guide - Page 46
Intel DG31PR - Desktop Board Classic Series Motherboard Manual
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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 1 3 5 7 9 Signal Name PORT 1L PORT 1R PORT 2R SENSE_SEND PORT 2L Pin 2 4 6 8 10 Signal Name GND PRESENCE# SENSE1_RETURN KEY (no pin) 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 1 2 3 Description VCC SPDIF OUT 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 1 2 Description Intruder Ground 46Intel DG31PR - Desktop Board Classic Series Motherboard Manual