Smart Switches - ASROCK X570 Phantom Gaming-ITX/TB3 Manual De Instrucciones

2.6 Smart Switches

The motherboard has a smart switch: Clear CMOS Button, allowing users to quickly
flash the BIOS.
Clear CMOS Button
(CLRCBTN)
(see p.4, No. 14)
This function is workable only when you power off your computer and unplug the power
supply.
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Clear CMOS Button
allows users to quickly
clear the CMOS values.