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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.
Here is a list of USB 2.0 pin assignments.
1. Locate the F_USB1~2 headers on the motherboard.
2. Plug the bracket cable onto the F_USB1~2 headers.
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.
Pin
Signal
Pin
Signal
1
VERG_FP_USBPWR0
2
VERG_FP_USBPWR0
3
USB_FP_P0(-)
4
USB_FP_P1(-)
5
USB)
6
USB)
7
GROUND
8
GROUND
9
KEY
10
GROUND
F_USB1~2: Front Panel USB 2.0 Headers
The motherboard has USB 2.0 ports installed on the rear edge I/O port array.
Additionally, some computer cases have USB 2.0 ports at the front of the case. If
you have this kind of case, use auxiliary USB 2.0 headers F_USB1~2 to connect the
front-mounted ports to the motherboard.
CASE1: Chassis intrusion detect header
This detects if the chassis cover has been removed. This function needs a chassis
equipped with instrusion detection switch and needs to be enabled in BIOS.
Pin
Signal
Pin
Signal
1
PORT1L
2
AUD_GND
3
PORT1R
4
PRESENCE#
5
PORT2R
6
SENSE1_RETURN
7
SENSE_SEND
8
KEY
9
PORT2L
10
SENSE2_RETURN
Pin 1-2 Function
Short
Chassis cover is removed
Open
Chassis cover is closed