17
Chapter 2: Motherboard Installation
F_AUDIO: Front Panel Audio Header
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
Pin
Signal
Pin
Signal
1
PORT1L
2
GND
3
PORT1R
4
PRESENCE#
5
PORT2R
6
Sense1_return
7
SENSE_SEND
8
KEY
9
PORT2L
10
Sense2_return
Pin
Signal
Pin
Signal
1
USBPWR0
2
USBPWR1
3
USB_FP_P0(-)
4
USB_FP_P1(-)
5
USB)
6
USB)
7
GROUND
8
GROUND
9
KEY
10 NC
1.
Locate the F_USB header on the motherboard.
2.
Plug the bracket cable onto the F_USB header.
3.
Remove a slot cover from one of the expansion slots on the system
chassis. Install an extension bracket in the opening. Secure the extension
bracket to the chassis with a screw.
F_USB1~2: Front Panel USB Header
The motherboard has four USB ports installed on the rear edge I/O port array.
Additionally, some computer cases have USB ports at the front of the case. If you
have this kind of case, use auxiliary USB header F_USB to connect the front-
mounted ports to the motherboard.
Pin
Signal
Pin
Signal
1
DCDB
2
SINB
3
SOUTB
4
DTRB
5
GND
6
DSRB
7
RTSB
8
CTSB
9
RI
10 KEY
COM: Onboard Serial Port Header
Connect a serial port extension bracket to this header to add a second serial port to
your system.