English Product Guide

Intel Desktop Board DQ45EK Product Guide
44
Front Panel Audio Header
The front panel audio header supports both High Definition (HD) Audio and AC’97
Audio. Table 6 shows the pin assignments and
signal names for HD Audio and Table 7
shows the pin assignments and signal names for AC’97 Audio.
Table 6. Front Panel Audio Header Signal Names for HD Audio
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
Table 7. Front Panel Audio Header Signal Names for AC’97 Audio
Pin Signal Name Pin Signal Name
1 MIC 2 AUD_GND
3 MIC_BIAS 4 AUD_GND
5 FP_OUT_R 6 FP_RETURN_R
7 AUD_5V 8 KEY (no pin)
9 FP_OUT_L 10 FP_RETURN_L
Chassis Intrusion Header
Figure 18, B on page 43 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 8 shows the pin assignments for
the chassis intrusion header.
Table 8. Chassis Intrusion Header Signal Names
Pin Description
1 Intruder
2 Ground