Packard Bell ixtreme M5850 Service Manual page 96

Connecting Optional Devices
Refer to the following for information on connecting the motherboard's optional devices:
F_AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
90
Pin Signal Name
1 PORT 1L
3 PORT 1R
5 PORT 2R
7 SENSE_SEND
9 PORT 2L
Pin Signal Name
2 AUD_GND
4 PRESENCE#
6 SENSE1_RETURN
8 KEY
10 SENSE2_RETURN