Smart Switches - ASROCK Z87 Extreme6/ac Handbuch

2.7 Smart Switches

The motherboard has three smart switches: Power Switch, Reset Switch and Clear
CMOS Switch, allowing users to quickly turn on/off the system, reset the system or
clear the CMOS values.
Power Switch
(PWRBTN)
(see p.1 or p.2, No. 19)
Reset Switch
(RSTBTN)
(see p.1 or p.2, No. 20)
Clear CMOS Switch
(CLRCBTN)
(see p.1 or p.2, No. 14)
This function is workable only when you power off your computer and unplug the power
supply.
BIOS Selection Switch
(BIOS_SEL1)
(see p.1 or p.2 No. 18)
This 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 flip the
BIOS Selection Switch to "B", then the backup BIOS will take over on the next system boot.
After that, use "Secure Backup UEFI" in the UEFI Setup Utility to duplicate a working copy
of the BIOS files 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.
Z87 Extreme6/ac / Z87 Extreme6
Power Switch allows users
Power
to quickly turn on/off the
system.
Reset Switch allows
users to quickly reset the
Reset
system.
Clear CMOS Switch
allows users to quickly
clear the CMOS values.
BIOS Selection Switch allows
A B
the system to boot from either
BIOS A or BIOS B.
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