Intel D945GPM manual AC ’97 Audio Header Signal Names, Pin Signal Name

Intel Desktop Board D945GPM Product Guide

Installing a Front Panel Audio Solution for Intel® High Definition Audio

Figure 20, A on page 39 shows the location of the yellow front panel audio header. Table 6 shows the pin assignments for the front panel audio header.

Table 6. Front Panel Audio Header Signal Names for Intel High Definition Audio

Pin	Signal Name
1	PORT 1L
3	PORT 1R
5	PORT 2R
7	SENSE_SEND
9	PORT 2L

Pin	Signal Name
2	GND
4	PRESENCE#
6	SENSE1_RETURN
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 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.

NOTE: some chassis still use a front panel audio solution based on the AC ’97 audio specification. Refer to Table 10 below to connect an AC ’97 front panel solution to the front panel audio header on the board. The front panel audio jacks will need to be manually configured for microphone or line out functionality in the Intel Audio Studio application.

Table 7. AC ’97 Audio Header Signal Names

Pin	Signal Name
1	MIC
3	MIC_BIAS
5	FP_OUT_R
7	AUD_5V
9	FP_OUT_L

Pin	Signal Name
2	AUD_GND
4	AUD_GND
6	FP_RETURN_R
8	KEY
10	FP_RETURN_L

5.Connect the audio cable to the front panel audio solution.

6.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.Replace the cover.

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