Gigabyte Z390 UD, User Manual

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17) CLR_CMOS (Clear CMOS Jumper)
Use this jumper to clear the BIOS coniguration 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.
•
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
manually conigure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS conigurations).
Open: Normal
Short: Clear CMOS Values
18)
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.
CPU:
CPU status LED
DRAM:
Memory status LED
VGA:
Graphics card status LED
BOOT:
Operating system status LED
CPU
DRAM
VGA BOOT
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