Asus A7V266-M - Manual (Page 36)

24 Chapter 2: Hardware information
6) Clear RTC RAM (2-pin CLR_RTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS.
You can clear the CMOS memory of date, time, and system setup parameters
by erasing the CMOS RTC RAM data. The RAM data in CMOS, that include
system setup information such as system passwords, is powered by the
onboard button cell battery.
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
2. Remove the battery.
3. Short the jumper by removing and replacing the jumper cap.
4. Re-install the battery.
5. Plug the power cord and turn ON the computer.
6. Hold down the key during the boot process and enter BIOS
setup to re-enter data.
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A7V266-M
A7V266-M Clear RTC RAM
GND
CLR_RTC
BATT