16
SIR1
SPK1: Speaker Connector
Connect the cable from the PC speaker to the SPK1 header on the
motherboard.
Pin
Signal Pin Signal
1 SPKR 2 NC
3 GND 4 +5V
USB2: Front panel USB header
The motherboard has USB ports installed on the rear edge I/O port
array. Some computer cases have a special module that mounts
USB ports at the front of the case. If you have this kind of case, use
auxiliary USB connectors USB2 to connect the front-mounted
ports to the motherboard.
Pin Signal
Pin
Signal
1 VERG_FP_USBPWR0
2 VERG_FP_USBPWR0
3 USB_FP_P0-
4 USB_FP_P1-
5 US
6 US
7 GROUND
8 GROUND
9 KEY
10
USB_FP_OC0
JUSBC: USB Card Reader Connector (optional)
This connector is for connecting internal USB card reader. You can
use a card reader to read or transfer files and digital images to your
computer.
Pin
Signal
1 VCC
2 USB-
3 USB+
4 GND
5 KEY
The JUSBC is shared with one of the USB ports of the
I/O back panel. The USB port is located beside the
VGA port connector. See “I/O Ports” for more
information.
