Asus ROG MAXIMUS Z790 FORMULA Users Manual English - Page 33

Q-LEDs, Storage Device Activity LED, pin Power Plug LED

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Chapter 1 23. Q-LEDs The Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during the motherboard booting process. If an error is found, the critical component's LED stays lit up until the problem is solved. CPU (RED) DRAM (YELLOW) VGA (WHITE) BOOT (YELLOW GREEN) • The Q-LEDs provide the most probable cause of an error code as a starting point for troubleshooting. The actual cause may vary from case to case. • The DRAM LED will detect if the memory modules have been installed in the recommended memory configuration slots as well as if the memory modules have been properly installed and seated in the memory slots once the motherboard is connected to a power supply. After the motherboard has been powered on, the DRAM LED will return to the original error checking procedure, regardless of the LED status prior to powering on. 24. Storage Device Activity LED The Storage Device Activity LED lights up or blinks when data is read from or written to the storage device or storage device add-on card. HD_LED 25. 8-pin Power Plug LED The 8-pin Power Plug LED lights up to indicate that the 8-pin power plug is not connected. PLUG_8PIN_PWR Motherboard User Manual 1-17

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Motherboard User Manual
1-17
Chapter 1
23.
Q-LEDs
The Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during
the motherboard booting process. If an error is found, the critical component’s LED
stays lit up until the problem is solved.
CPU (RED)
DRAM (YELLOW)
VGA (WHITE)
BOOT (YELLOW GREEN)
•
The Q-LEDs provide the most probable cause of an error code as a starting point for
troubleshooting. The actual cause may vary from case to case.
•
The DRAM LED will detect if the memory modules have been installed in the
recommended memory configuration slots as well as if the memory modules have
been properly installed and seated in the memory slots once the motherboard is
connected to a power supply. After the motherboard has been powered on, the
DRAM LED will return to the original error checking procedure, regardless of the LED
status prior to powering on.
24.
Storage Device Activity LED
The Storage Device Activity LED lights up or blinks when data is read from or written
to the storage device or storage device add-on card.
HD_LED
25.
8-pin Power Plug LED
The 8-pin Power Plug LED lights up to indicate that the 8-pin power plug is not
connected.
PLUG_8PIN_PWR