ECS IC55H-A, Manual, Page: 13 / 70

9
Installing the Motherboard
Checking Jumper Settings
The following illustration shows the location of the motherboard jumpers. Pin 1 is
labeled.
Jumper Settings
Jumper Type Description Setting (default)
CLR_CMOS 3-pin CLEAR CMOS
1-2: NORMAL
2-3: CLEAR
Before clearing the
CMOS, make sure to
turn the system off.
3-pin
USBPWR_R1~2
1-2: VCC
2-3: 5VSB
Rear USB/PS2
Power Select
Jumpers
3-pin USBPWR_F
1-2: VCC
2-3: 5VSB
Front Panel
USB Power
Select Jumper
USBPWR_F
CLR_CMOS
USBPWR_R1~2
1
1
1
To avoid the system instability after clearing CMOS, we recommend
users to enter the main BIOS setting page to “Load Default Settings”
and then “Save & Exit Setup”.
1.
2. Make sure the power supply provides enough 5VSB voltage before se-
lecting the 5VSB function.
3. It is required that users place the USBPWR_F & USBPWR_R1~2 cap
onto 2-3 pin rather than 1-2 pin as default if you want to wake up the
computer by USB/PS2 KB/Mouse.