Yamaha MX-800 User's Guide download pdf (Page 23)

ASUS P4S800-MX motherboard user guide

1-15

1.9 Jumpers

1. Clear RTC RAM (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 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. 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.

3. Plug the power cord and turn ON the computer.

4. Hold down the <Del> key during the boot process and enter BIOS setup to

re-enter data.

Except when clearing the RTC RAM, never remove the cap on CLRTC1 jumper

default position. Removing the cap will cause system boot failure!

P4S800-MX

12 23

P4S800-MX Clear RTC RAM

CLRTC1

Normal Clear CMOS

(Default)

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Yamaha MX-800 User's Guide Page 23