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5. Clear RTC RAM (J7)
These solder 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 solder pads for about 5 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.
PR-DLSR
®
PR-DLSR Clear RTC RAM
2-16
CR2032 3V
Short solder points
Lithium Cell
J7
to Clear CMOS
CMOS Power
Chapter 2: Hardware information
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