ECS 661GX-M7

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: CLEAR
2-3: NORMAL
Open: WRITE ENABLE
Short: WRITE DISABLE
BIOS PROTECT
2-pinBIOS_WP
Before clearing the CMOS,
make sure to turn off the sys-
tem.
CLR_ CMOS
BIOS_WP
1
1