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ASUS P4B-M motherboard user guide
2-21
6. Clear RTC RAM (CLRCMOS)
These pads allow 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 two pads for a few seconds.
4. Re-install the battery.
5. Plug the power cord and turn ON the computer.
6. Hold down the <Del> key during the boot process and enter BIOS
setup to re-enter data.
Figure 2-28 Clear RTC RAM
®
P4B-M
P4B-M Clear RTC RAM
Short the pads to clear CMOS
CLRCMOS
Intel I/O
Controller
Hub
(ICH2)