Asus Rampage IV Formula Specifications download pdf (Page 50)

2-24 Chapter 2: Hardware information

2.6 Slide switch

1. Clear RTC RAM (3-pin CLRTC_SW)

This onboard slide switch allows you to enable the

clr CMOS

switch on the

back I/O. You can clear the CMOS memory and system setup parameters

by erasing the CMOS RTC RAM data. The

clr CMOS

switch on the back

I/O helps you easily to clear the system setup information such as system

passwords.

To erase the RTC RAM:

1. Press down the clr CMOS switch on the back I/O.

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

to re-enter data.

clr CMOS switch behavior

System power state G3* S5* S0 (DOS mode) S0 (OS mode) S1 S3 S4

Clearing CMOS

*G3: Power off without +5VSB power (AC power loss); S5: Power off with +5VSB power

**The system shuts dowm immediately.

• TheThe clr CMOS switch will not function if the CLRTC_SW switch is moved

to the Disable position, but the shutdwon function in S0 mode (DOS mode)

still works.

• 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 CPU

overclocking. With the C.P.R. (CPU Parameter Recall) feature, shut down

and reboot the system so the BIOS can automatically reset CPU parameter

settings to default values. If the system hangs due to overclocking of

memory timing or chipset voltage and the power button fails to function,

pressing down the clr CMOS switch will shut down the system and clear

CMOS simultaneously.

RAMPAGE FORMULA

RAMPAGE FORMULA Clear RTC RAM

CLRTC_SW

DisableEnable

(Default)

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Asus Rampage IV Formula Specifications Page 50