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5. Clear RTC RAM (R452)
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 onboard battery.
3. Short the solder pads for about 5 seconds.
4. Re-install the onboard 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.
PR-DLS533
PR-DLS533 Clear RTC RAM
ASUS AP2400R-E1 2U barebone server
Short solder points
to Clear CMOS
R452
CR2032 3V
Lithium Cell
CMOS Power
4-7
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