Asus X99-A II - 1.1.8 Onboard LEDs

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Chapter 1: Product Introduction
Chapter 1
1.1.8 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. EZ XMP LED (XLED1)
ThisLEDlightsupwhenyouenabletheEZXMPswitch.