Smart Button - ASROCK Z390 Phantom Manual

2.6 Smart Button

The motherboard has one smart button: Clear CMOS Button, allowing users to
clear the CMOS values.
Clear CMOS Button
(CLRCBTN)
(see p.4, No. 16)
This function is workable only when you power off your computer and unplug the
power supply.
Z390 Phantom Gaming-ITX/ac
Clear CMOS Button
allows users to quickly
clear the CMOS values.
25