- 24 -
1-8 Onboard LEDs and Buttons
Status LEDs
The status LEDs show whether the CPU, memory, graphics card, and operating system are working properly
aftersystempower-on.IftheCPU/DRAM/VGALEDison,thatmeansthecorrespondingdeviceisnotworking
normally; if the BOOT LED is on, that means you haven't entered the operating system yet.
CPU: CPU status LED
DRAM: Memory status LED
VGA: Graphics card status LED
BOOT: Operating system status LED
BOOT
VGA
CPU
Quick Button
This motherboard has 3 quick buttons: power button, reset button and clear CMOS button. 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.
PW_SW: Power Button
RST_SW: ResetButton
CMOS_SW: Clear CMOS Button
• Always turn off your computer and unplug the power cord from the power outlet before using
the clear CMOS button.
• 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).
CMOS_SW
PW_SW
RST_SW
DRAM