User`s guide
11
Chapter 2: Motherboard Installation
Jumper Settings
Connecting two pins with a jumper cap is SHORT; removing a jumper cap from
these pins, OPEN.
Note: To avoid the system unstability after clearing CMOS, we recommend
users to enter the main BIOS setting page to “Load Optimal De-faults”
and then “Save Changes and Exit”.
CLR_COMS1: Clear CMOS Jumper
Use this jumper to clear the contents of the CMOS memory. You may need to
clear the CMOS memory if the settings in the Setup Utility are incorrect and
prevent your motherboard from operating. To clear the CMOS memory,
disconnect all the power cables from the motherboard and then move the jumper
cap into the CLEAR setting for a few seconds.
Function Jumper Setting
Normal Short Pins 1-2
Clear CMOS Short Pins 2-3
Note: Make sure the power supply provides enough SB5V voltage before
selecting the SB5V function.
USB_PWR1/2: USB Power Select Jumper
Use these jumpers to select the voltage for USB port.
Function Jumper Setting
VCC5V Short Pins 1-2
SB5V Short Pins 2-3