Gigabyte B660 AORUS MASTER DDR4 User Manual - Page 32
CPU/DRAM/VGA/BOOT Status LEDs, is not working normally; if the BOOT LED is
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Page 32 highlights
S_ 24) 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 sysFt_eUmSBy3et. B_ U B_ USB 0_ B CPU DRAM VGA BOOT CPU: CPU status LED DRAM: Memory status LED VGA: Graphics card status LED BOOT: Operating system status LED F_USB30 3 - 32 -
![](/manual_guide/products/gigabyte-b660-aorus-master-ddr4-user-manual-9b2b60c/32.png)
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CPU:
CPU status LED
DRAM:
Memory status LED
VGA:
Graphics card status LED
BOOT:
Operating system status LED
24) 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
DRAM
VGA
BOOT