Asus P4PE User's Guide download pdf (Page 25)

ASUS P4PE-X motherboard user guide

1-15

1.11 Jumpers

P4PE-X

P4PE-X Clear RTC RAM

CLRTC

Disable Enable

(Default)

P4PE-X

P4PE-X Keyboard Power Setting

KBPWR1

+5V

(Default)

+5VSB

2312

1. Keyboard power (3-pin KBPWR1)

This jumper allows you to enable or disable the keyboard wake-up feature. Set

this jumper to pins 2-3 (+5VSB) if you wish to wake up the computer when you

press a key on the keyboard (the default is the Space Bar). This feature

requires an ATX power supply that can supply at least 1A on the +5VSB lead,

and a corresponding setting in the BIOS (see section 2.5.1 Power Up Control).

2. Clear RTC RAM (CLRTC1)

This jumper allows clearing the Real Time Clock (RTC) RAM in CMOS. You

can clear the CMOS memory of date, time, and system setup information by

erasing the CMOS RTC RAM data.

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!

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 BIOS can automatically reset

parameter settings to default values.

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Asus P4PE User's Guide Page 25