User Manual

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KNPA-U16
5. Hard disk activity LED (HDDLED1)
ThisLEDisforthestoragedevicesconnectedtotheonboardSATA,orSATA/SAS
add-oncard.ThereadorwriteactivitiesofanydeviceconnectedtotheonboardSATA,
orSATA/SASadd-oncardcausestherearpanelLEDtolightup.
6. Q-Code LEDs
TheQ-CodeLEDdesignprovidesyouwitha2-digiterrorcodethatdisplaysthesystem
status.RefertotheQ-Codetableonthenextpagefordetails.
• TheQ-Code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.
• PleaserefertotheQ-CodetableintheAppendix section for more details.