Asus PRIME Z590M-PLUS Users Manual English - Page 28

Clear CMOS header, To erase the RTC RAM

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Chapter 1 +3V_BAT GND 12. Clear CMOS header This header 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. CLRTC PIN 1 To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Use a metal object such as a screwdriver to short the two pins. 3. Plug the power cord and turn on the computer. 4. Hold down the key during the boot process and enter BIOS setup to re- enter data. DO NOT short-circuit the pins except when clearing the RTC RAM. Short-circuiting or placing a jumper cap will cause system boot failure! If the steps above do not help, remove the onboard button cell battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the button cell battery. 1-16 Chapter 1: Product Introduction

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1-16
Chapter 1: Product Introduction
Chapter 1
12.
Clear CMOS header
This header 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.
CLRTC
+3V_BAT
GND
PIN 1
To erase the RTC RAM:
1.
Turn OFF the computer and unplug the power cord.
2.
Use a metal object such as a screwdriver to short the two pins.
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.
DO NOT short-circuit the pins except when clearing the RTC RAM. Short-circuiting or
placing a jumper cap will cause system boot failure!
If the steps above do not help, remove the onboard button cell battery and move the
jumper again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the
button cell battery.