Gigabyte GA-H270-HD3 User Manual page 19

18) CPU/DRAM/VGA/BOOT (Status LEDs)
The status LEDs show the current state of the CPU, memory, graphics card, and BIOS. If a particular LED
is on, that means the corresponding device is not working normally.
USB 0_ B
CPU: CPU status LED
DRAM: Memory status LED
VGA: Graphics card status LED
CPU DRAM
BOOT: BIOS status LED
VGA BOOT
B_
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