R452 – Asus Motherboard PR-DLS533 User Manual

Page 43

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ASUS PR-DLS533 motherboard user guide

2-17

5. Clear RTC RAM (R452)

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-DLS533

PR-DLS533 Clear RTC RAM

Short solder points
to Clear CMOS

R452

ASUS

ASIC

with Hardware

Monitor

CR2032 3V
Lithium Cell

CMOS Power

4. SCSI setting (2-pin SCSI_EN)

This jumper allows you to enable or disable the onboard SCSI feature.
Keep the jumper open if you wish to install SCSI devices. Place a cap
on the jumper to disable the onboard SCSI controller.

PR-DLS533

SCSI_EN

PR-DLS533 SCSI Setting

(Default)

Enable

Disable

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