Hardware Specifications and Configurations 1-41System LED IndicatorSystem DMA SpecificationItem SpecificationLock z Caps Lock on = BlueSystem state z Blue color on: System onz Blue color and amber color off: System offz Amber color on: S3HDD access state N/AWireless state Wifi on = AmberPower button backlight z Blue color solid on: System onz Blue color off: System offBattery state z Full charging = Bluez Battery charging = AmberLegacy Mode Power ManagementDMA0 N/ADMA1 N/ADMA2 N/ADMA3 N/ADMA4 Direct memory access controllerDMA5 N/ADMA6 N/ADMA7 N/A*ExpressCard controller can use DMA 1, 2, or 5.