15
Chapter 2: Motherboard Installation
1
Locate the USB2/USB3 header on the motherboard.
2
Plug the bracket cable onto the USB2/USB3 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.
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
USB_FP_OC0
IR1: Infrared Header
The infrared port allows the wireless exchange of information between your
computer and similarly equipped devices such as printers, laptops, Personal
Digital Assistants (PDAs), and other computers.
Here is a list of headers USB2/USB3 pin assignments.
SPK1: Speaker Header
Connect the cable from the PC speaker to the SPK1 header on the motherboard.
Pin
Signal
1
SPKR
2
NC
3
GND
4
+5V
1
Locate the infrared port-
IR1
header on the motherboard.
2
If you are adding an infrared port, connect the ribbon cable from the
port to the IR1 header and then secure the port to an appropriate
place in your system chassis.
Pin
Signal
Pin
Signal
1
NC
2
KEY
3
+5V
4
GND
5
IRTX
6
IRRX
