14
Motherboard User’s Guide
F_AUDIO1: 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
Sig n al
Pin
Sig n al
1
V ERG_FP_USBPW R0
2
V ERG_FP_ USBPW R0
3
USB_ FP_ P0( - )
4
USB_FP_P1 ( - )
5
USB_ FP_ P0( +)
6
USB_FP_P1 ( +)
7
GROUND
8
GROUND
9
KEY
10
NC
1.
Locate the F_USB1/F_USB2 header on the motherboard.
2.
Plug the bracket cable onto the F_USB1/F_USB2 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~USB2: Front panel USB Headers
The motherboard has 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 headers F_USB1/F_USB2 to
connect the front-mounted ports to the motherboard.
SPI_ROM: SPI ROM Header
This 4 Mb ROM contains the programmable BIOS program.
Pin
Signal
Pin
Signal
1
CHIPSELECT
2
VCC
3
DATAOUTPUT
4
HOLD
5
WRITEPROTECT
6
CLOCK
7
CND
8
DATAINPUT