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Storage Device Activity LED header (+HDD_LED-)
The 2-pin header allows you to connect the 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.
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Power Button/Soft-off Button header (PWR_BTN)
The 3-1 pin header allows you to connect the system power button. Press the
power button to power up the system, or put the system into sleep or soft-off mode
(depending on the operating system settings).
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Reset button header (RESET)
The 2-pin header allows you to connect the chassis-mounted reset button. Press the
reset button to reboot the system.
16. Thunderbolt™ (USB4®) header
The Thunderbolt™ (USB4®) header allows you to
connect an add-on Thunderbolt™ I/O card that
supports Intel®’s Thunderbolt™ Technology, allowing
you to connect Thunderbolt™-enabled devices to form
a daisy-chain configuration.
NOTE: Please visit the official website of your purchased add-on card for more details on
compatibility.
17. Q-LEDs
CPU (RED)
DRAM (YELLOW)
VGA (WHITE)
BOOT (YELLOW GREEN)
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.
NOTE: 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.
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Chapter 1: Product Introduction