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Motherboard User’s Guide
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.
F_USB1/F_USB2: Front Panel USB Headers
The motherboard has USB ports installed on the rear edge I/O port array. Addition-
ally, some computer cases have USB ports at the front of the case. If you have this
kind of case, use auxiliary USB headers F_USB1/F_USB2 to connect the front-
mounted ports to the motherboard.
Pin Signal Pin Signal
1PORT1L 2GND
3 PORT1 R 4 PRESENCE#
5 PORT2R 6 Sense1_return
7 SENSE_SEND 8 KEY
9 PORT2L 10 Sense2_return