User’s Manual

1-12
Chapter 1: Product Introduction
Chapter 1
1.1.7 Onboard LEDs
1. Q LEDs (BOOT_LED, VGA_LED, DRAM_LED, CPU_LED)
QLEDscheckkeycomponents(CPU,DRAM,VGAcard,andbootingdevices)in
sequenceduringmotherboardbootingprocess.Ifanerrorisfound,thecorresponding
LEDremainslituntiltheproblemissolved.Thisuser-friendlydesignprovidesan
intuitivewaytolocatetherootproblemwithinseconds.
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. Memory LED (Mem_LED)
TheMem_LEDwilllightupandremainlitwhiletheMemOK!IIfunctionisinuse.When
there-trainingiscomplete,theMem_LEDwillturnoff.