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2-23
2.6 Jumper
Clear RTC RAM (CLRTC)
This jumper allows you to enable the CLRTC switch. You can clear the
CMOS memory of date, time, and system setup parameters by erasing the
CMOS RTC RAM data. The onboard clr CMOS switch helps you easily to
clear the system setup information such as system passwords. See page
2-35 for details.
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
2. Move the jumper cap from pins 1-2 (default) to pins 2-3 to enable the
CLRTC function.
3. Press down the clr CMOS button and again to release it.
4. Plug the power cord and turn ON the computer.
5. Hold down the <Del> key during the boot process and enter BIOS setup
to re-enter data.
The clr CMOS button will not function until the jumper cap on CLRTC is moved
to the ENABLE position. Removing the cap will cause system boot failure!
• Make sure to re-enter your previous BIOS settings after you clear the
CMOS.
• You do not need to clear the RTC when the system hangs due to
overclocking. For system failure due to overclocking, use the C.P.R. (CPU
Parameter Recall) feature. Shut down and reboot the system so the BIOS
can automatically reset parameter settings to default values.
• To prevent accidental pressing of the Clear CMOS switch, the CLRTC
jumper default setting disables the switch.
CROSSHAIR
Disable
(Default)
Enable
1
2
2
3
CROSSHAIR Clear RTC RAM
CLRTC_EN