ASRock Z97 Extreme4/3.1 Quick Installation Guide - Page 28

Smart Switches

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2.7 Smart Switches he motherboard has four smart switches: Power Switch, Reset Switch, Clear CMOS Switch and BIOS Selection Switch, allowing users to quickly turn on/of the system, reset the system, clear the CMOS values or boot from diferent BIOS. Power Switch (PWRBTN1) (see p.1, No. 20) Power Switch allows users to quickly turn on/of the system. Reset Switch (RSTBTN1) (see p.1, No. 21) RESET Reset Switch allows users to quickly reset the system. Clear CMOS Switch (CLRCBTN1) (see p.1, No. 22) Clear CMOS Switch allows users to quickly clear the CMOS values. his function is workable only when you power of your computer and unplug the power supply. BIOS Selection Switch (BIOS_SEL1) (see p.1 No. 19) AB BIOS Selection Switch allows the system to boot from either BIOS A or BIOS B. his motherboard has two BIOS chips, a primary BIOS (BIOS_A) and a backup BIOS (BIOS_ B), which enhances the safety and stability of your system. Normally, the system will work on the primary BIOS. However, if the primary BIOS is corrupted or damaged, just lip the BIOS Selection Switch to "B", then the backup BIOS will take over on the next system boot. Ater that, use "Secure Backup UEFI" in the UEFI Setup Utility to duplicate a working copy of the BIOS iles to the primary BIOS to ensure normal system operation. For safety issues, users are not able to update the backup BIOS manually. Users may refer to the BIOS LEDs (BIOS_A_LED or BIOS_B_LED) to identify which BIOS is currently activated. English 26

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26
English
2.7
Smart Switches
He motherboard has four smart switches: Power Switch, Reset Switch, Clear CMOS
Switch and BIOS Selection Switch, allowing users to quickly turn on/oµ the system,
reset the system, clear the CMOS values or boot from diµerent BIOS.
Power Switch
(PWRBTN1)
(see p.1, No. 20)
Power Switch allows users
to quickly turn on/oµ the
system.
Reset Switch
(RSTBTN1)
(see p.1, No. 21)
Reset Switch allows
users to quickly reset the
system.
Clear CMOS Switch
(CLRCBTN1)
(see p.1, No. 22)
Clear CMOS Switch
allows users to quickly
clear the CMOS values.
BIOS
Selection
Switch
(BIOS_SEL1)
(see p.1
No. 19)
BIOS
Selection Switch allows the
system to boot from either BIOS
A or BIOS B.
RESET
his function is workable only wHen you power o´ your computer and unplug tHe power
supply.
A
B
his motHerboard Has two BIOS cHips, a primary BIOS (BIOS_A) and a backup BIOS (BIOS_
B), wHicH enHances tHe safety and stability of your system. Normally, tHe system will work
on tHe primary BIOS. ³owever, if tHe primary BIOS is corrupted or damaged, just µip tHe
BIOS Selection SwitcH to “B”, tHen tHe backup BIOS will take over on tHe next system boot.
A±er tHat, use “Secure Backup UEFI” in tHe UEFI Setup Utility to duplicate a working copy
of tHe BIOS ²les to tHe primary BIOS to ensure normal system operation. For safety issues,
users are not able to update tHe backup BIOS manually. Users may refer to tHe BIOS LEDs
(BIOS_A_LED or BIOS_B_LED) to identify wHicH BIOS is currently activated.