AA280 Motherboard
20
JP1: Clear CMOS
This jumper allows you to clear the CMOS.
JP1
Jumper setting
Description
1-2
Normal operation
2-3
Clear content of CMOS
JP3: BIOS Protect
This jumper allows you to protect the BIOS from being accidentally updated.
JP3
Jumper setting
Description
1-2
Write protect disable
2-3
Write protect enable
JP4: CPU Frequency
This jumper allows you to select the CPU frontside bus frequency.
JP4
Jumper setting
Description
1-2
100 MHz
2-3
133 MHz