Acer Aspire 4749Z Acer Aspire 4349, 4749, 4749Z Notebook Service Guide - Page 53
System LED Indicator, System DMA Specification, Caps Lock on = Blue - wifi
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System LED Indicator Lock Item System state HDD access state Wireless state Power button backlight Battery state Back up state Arcade module state Finger print module state Specification Caps Lock on = Blue Caps Lock on = Blue Blue color on: System on Blue color and amber color off: System off Amber color on: S3 HDD access active = Blue Wifi on = Amber Blue color solid on: System on Blue color off: System off Full charging = Blue Battery charging = Amber Back up active = Blue Arcade module active = Blue Finger print module active = Blue System DMA Specification Legacy Mode Power Management DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable DMA4 Direct memory access controller DMA5* Not applicable DMA6 Not applicable DMA7 Not applicable *ExpressCard controller can use DMA 1, 2, or 5. Hardware Specifications and Configurations 1-43