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2.7
Jumpers
2.7.1
Clear CMOS (CLRTC1)
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 onboard button cell battery powers the RAM data in
CMOS, which include system setup information such as system passwords. To erase
the RTC RAM:
1.
Turn OFF the computer and unplug the power cord.
2.
Remove the onboard battery.
3.
Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-
3 for about 5~10 seconds, then move the cap back to pins 1-2.
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.
Caution! Except when clearing the CMOS, never remove the cap on CLRTC
jumper default position. Removing the cap will cause system boot fail-
ure!
SIMB-A01 User Manual
Normal (Default)
Clear CMOS
22
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