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29. Thermal Sensor header
The Thermal Sensor header allows you to connect a sensor to monitor the
temperature of the devices and the critical components inside the motherboard.
Connect the thermal sensor and place it on the device or the motherboard’s
component to detect its temperature.
T_SENSOR
30. Q-Code LED
The Q-Code LED design provides you with a 2-digit error code that displays the system
status.
Q_CODE
NOTE:
• The Q-Code 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.
• Please refer to the Q-Code table in the Appendix section for more details.
31. 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)
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.
• DRAM installation detection function: 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.
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