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31. VPP_I2C header
The VPP_I2C header is used for the storage backplane with sensor readings.
VPP_I2C
32. 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.
33. 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.
34. BIOS FlashBack™ LED
The BIOS FlashBack™ LED lights up or blinks to indicate the status of the BIOS
FlashBack™.
FLBK_LED1
NOTE: Refer to the BIOS FlashBack™ section for more information on using the BIOS
FlashBack™ feature.
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