Intel® Desktop Board DH67CL Product Guide
Intel® Desktop Board DH67CL Product Guide
Intel® Desktop Board DH67CL Product Guide
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Front Panel Audio Header<br />
Installing and Replacing <strong>Desktop</strong> <strong>Board</strong> Components<br />
The front panel audio header shown in Figure 20, A supports both Intel High Definition<br />
(HD) Audio and AC ’97 Audio.<br />
Table 5 shows the pin assignments and signal names for HD Audio and Table 6 shows<br />
the pin assignments and signal names for AC ’97 Audio.<br />
Table 5. Front Panel Audio Signal Names for Intel HD Audio<br />
Pin Signal Name Pin Signal Name<br />
1 PORT 1L (Microphone) 2 GND<br />
3 PORT 1R (Microphone) 4 PRESENCE#<br />
5 PORT 2R (Headphone) 6 SENSE1_RETURN<br />
7 SENSE_SEND 8 KEY (no pin)<br />
9 PORT 2L (Headphone) 10 SENSE2_RETURN<br />
Table 6. Front Panel Audio Header Signal Names for AC ’97 Audio<br />
Pin Signal Name Pin Signal Name<br />
1 MIC 2 AUD_GND<br />
3 MIC_BIAS 4 PRESENCE#<br />
5 FP_OUT_R 6 AUD_GND<br />
7 No connect 8 KEY (no pin)<br />
9 FP_OUT_L 10 AUD_GND<br />
Chassis Intrusion Header<br />
Figure 20, B shows the location of the chassis intrusion header. This header can be<br />
connected to a mechanical switch on the chassis to detect if the chassis cover is<br />
removed. This switch should be in the open position when the chassis cover is<br />
installed and closed when the cover is removed.<br />
Table 7 shows the pin assignments and signal names for the chassis intrusion header.<br />
Table 7. Chassis Intrusion Header Signal Names<br />
Pin Description<br />
1 Ground<br />
2 Intruder#<br />
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