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13. Clear RTC RAM (CLRTC)
These solders points 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 points 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.
P4B533-E
®
P4B533-E Clear RTC RAM
2-24
CR2032 3V
Lithium Cell
CMOS Power
CLRTC
Short solder points
to Clear CMOS
Chapter 2: Hardware information
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