Asus TUF X299 MARK 2 - 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. Standby Power LED
ThemotherboardcomeswithastandbypowerLED.TheLEDlightsuptoindicatethat
thesystemisON,insleepmode,orinsoft-offmode.Thisisareminderthatyoushould
shutdownthesystemandunplugthepowercablebeforeremovingorplugginginany
motherboardcomponent.TheillustrationbelowshowsthelocationoftheonboardLED.