ECS A790GXM-A, Manual, Page: 13 / 88

9
Installing the Motherboard
Checking Jumper Settings
The following illustration shows the location of the motherboard jumpers. Pin 1 is
labeled.
Jumper Settings
To avoid the system unstability after clearing CMOS, we recommend
users to enter the main BIOS setting page to “Load Default Settings”
and then “Save Changes and Exit”.
Jumper Type Description Setting (default)
CLR_CMOS 3-pin
Clear CMOS
1-2: NORMAL
2-3: CMOS CLEAR
Before clearing the
CMOS, make sure to
turn off the system.
CLR_CMOS
1