Gigabyte X570S AERO G User Manual page 26

both the main and backup BIOS fail during system boot. The QFLED will flash when the BIOS matching
and flashing activities start and will stop flashing when the main BIOS flashing is complete.
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21) CLR_CMOS (Clear CMOS Jumper)
Use this jumper to clear the BIOS configuration and reset the CMOS values to factory defaults. To clear
the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.
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22) BAT (Battery)
The battery provides power to keep the values (such as BIOS configurations, date, and time information)
in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low
level, or the CMOS values may not be accurate or may be lost.
23) CPU/DRAM/VGA/BOOT (Status LEDs)
The status LEDs show whether the CPU, memory, graphics card, and operating system are working
properly after system power-on. If the CPU/DRAM/VGA LED is on, that means the corresponding device
is not working normally; if the BOOT LED is on, that means you haven't entered the operating system yet.
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Open: Normal
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Short: Clear CMOS Values
• Always turn off your computer and unplug the power cord from the power outlet before clearing
the CMOS values.
• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or
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manually configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS configurations).
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Gently remove the battery from the battery holder and wait for one minute. (Or use a
metal object like a screwdriver to touch the positive and negative terminals of the battery
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holder, making them short for 5 seconds.)
3. Replace the battery.
4. Plug in the power cord and restart your computer.
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replace the battery with an equivalent one. Damage to your devices may occur if the battery is
replaced with an incorrect model.
• Contact the place of purchase or local dealer if you are not able to replace the battery by yourself
or uncertain about the battery model.
• When installing the battery, note the orientation of the positive side (+) and the negative side (-)
of the battery (the positive side should face up).
• Used batteries must be handled in accordance with local environmental regulations.
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CPU: CPU status LED
DRAM: Memory status LED
VGA: Graphics card status LED
CPU DRAM
BOOT: Operating system status LED
VGA BOOT
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F_USB3
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F_USB30 3
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