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Chapter 1: Product Introduction
Chapter 1
16. Thunderbolt header
The Thunderbolt header allows you to connect an add-on Thunderbolt I/O card
that supports Intel’s Thunderbolt Technology, allowing you to connect up to six
Thunderbolt-enabled devices and a DisplayPort-enabled display in a daisy-chain
configuration.
PIN 1
FORCE_PWR
GND
SLP_S3#
SLP_S5#
GND
RTD3_SW
I2C_SCL
I2C_SDA
I2C_IRQ#
RTD3_POWER_EN
S_SLP_S0#_IDLE
PERST_N
WAKE#
TB_HEADER
• The add-on Thunderbolt I/O card and Thunderbolt cables are purchased separately.
• Ensure to install the Thunderbolt card in M2_2 slot.
17. 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.
BOOT (YELLOW GREEN)
VGA (WHITE)
DRAM (YELLOW)
CPU (RED)
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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