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1-9 Onboard Buttons, Switches, and LEDs
Quick Buttons
This motherboard has four quick buttons: Power, Reset, Clear CMOS, and Direct to BIOS. The power button
and reset button allow users to quickly turn on/off or reset the computer in an open-case environment when
they want to change hardware components or conduct hardware testing. Use this button to clear the BIOS
congurationandresettheCMOSvaluestofactorydefaultswhenneeded.TheDirecttoBIOSbuttonhelps
usersmoreeasilytodirectlyentertheBIOSatanytimebeforerebootingthesystem.(Pressingthisbuttonduring
the POST process allows you to immediately enter BIOS Setup. Enter BIOS Setup directly on next boot if the
buttonispressedafterthePOSTprocess.)
PW_SW: Power Button
RST_SW: Reset Button
CMOS_SW: Clear CMOS Button
DTB: Direct to BIOS Button
• Always turn off your computer and unplug the power cord from the power outlet before clearing
the CMOS values.
• NOTE: Do not use the clear CMOS button when the system is on, or the system may shutdown
and data loss or damage may occur.
• Aftersystemrestart,gotoBIOSSetuptoloadfactorydefaults(selectLoadOptimizedDefaults)or
manuallyconguretheBIOSsettings(refertoChapter2,"BIOSSetup,"forBIOScongurations).
BIOS Switches and BIOS LED Indicators
TheBIOSswitch(BIOS_SW)allowsuserstoeasilyselectadifferentBIOSforbootuporoverclocking,helpingto
reduce BIOS failure during overclocking. The SB switch allows enabling or disabling of the Dual BIOS function.
TheLEDindicator(MBIOS_LED/BBIOS_LED)showswhichBIOSisactive.
2:BackupBIOS(BootfromthebackupBIOS)
1:MainBIOS(BootfromthemainBIOS)
BIOS_SW
2: Single BIOS
1: Dual BIOS
SB
SB
BIOS_SW
CMOS_SW
PW_SW
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