Acer Aspire 4250 Acer Aspire 4250 Notebook Service Manual - Page 51

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 N/A DMA1 N/A DMA2 N/A DMA3 N/A DMA4 Direct memory access controller DMA5 Available for ExpressCard DMA6 Not Assigned DMA7 Not Assigned *ExpressCard controller can use DMA 1, 2, or 5. Hardware Specifications and Configurations 1-41