Gigabyte GA-7A8DRL User Manual page 35

5) CLR_CMOS1 (Clear CMOS Function)
You may clear the CMOS data to its default values by this jumper.
Default value doesn't include the "Shunter" to prevent from improper use this jumper. To
clear CMOS, temporarily short 1-2 pin.
** Recommendation frequency setting and slot:
Mode Frequency Maximum slots or devices (on board)
PCI-X 133
PCI-X 100
PCI-X 66
PCI 66
1
1-2 close: Clear CMOS
1
2-3 close: Normal (Default)
1
2
3
3
3 5
Jumper Setting