Onboard Leds - Asus X99-PRO/USB 3.1 User Manual

1.2.8

Onboard LEDs

1. POST State LEDs
The POST State LEDs provide the status of these key components during POST
(Power-On-Self Test): CPU, memory modules, VGA card, and hard disk drives. If an
error is found, the critical component's LED stays lit up until the problem is solved.
2. TPU LED (TPU_LED)
The TPU LED lights up when the TPU switch is enabled.
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Chapter 1: Product introduction