User Manual

ROG CROSSHAIR VIII FORMULA
1-13
Chapter 1
1.1.9 Onboard LEDs
1. 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.
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.
2. Storage Device Activity LED
TheStorageDeviceActivityLEDlightsuporblinkswhendataisreadfromorwritten
tothestoragedeviceorstoragedeviceadd‑oncard.