Front Panel Audio Header; Chassis Intrusion Header; Front Panel Audio Signal Names For Intel Hd Audio; Front Panel Audio Header Signal Names For Ac'97 Audio - Intel BOXDG41MJ Product Manual

Front Panel Audio Header

The front panel audio header shown in Figure 18, A on page 38 supports both Intel HD
Audio and AC'97 Audio. Table 5 shows the pin assignments and signal names for Intel
HD Audio and Table 6 shows the pin assignments and signal names for AC'97 Audio.
Table 5. Front Panel Audio Signal Names for Intel HD Audio
Pin Signal Name
1 PORT 1L (Microphone)
3 PORT 1R (Microphone)
5 PORT 2R (Headphone)
7 SENSE_SEND
9 PORT 2L (Headphone)
Table 6. Front Panel Audio Header Signal Names for AC'97 Audio
Pin Signal Name
1 MIC
3 MIC_BIAS
5 FP_OUT_R
7 AUD_5V
9 FP_OUT_L

Chassis Intrusion Header

Figure 18, B on page 38 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 7 shows the pin assignments for the chassis intrusion header.
Table 7. Chassis Intrusion Header Signal Names
Pin Description
1 Intruder
2 Ground
Installing and Replacing Desktop Board Components
Pin Signal Name
2 GND
4 PRESENCE#
6 SENSE1_RETURN
8 KEY (no pin)
10 SENSE2_RETURN
Pin Signal Name
2 AUD_GND
4 AUD_GND
6 FP_RETURN_R
8 KEY (no pin)
10 FP_RETURN_L
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