Acer Aspire 4743Z Aspire 4743 and 4743Z Notebook Series Service Guide - Page 46

System LED Indicator Item Lock System state HDD access state Wireless state Power button backlight Battery state Specification N/A  Blue color solid on: System on  Blue color and amber color off: System off  Amber color blinking: S3 state Reflects the activities of the HDD. Amber color if a wireless device is active  Blue color solid on: System on  Blue color off: System off Charging  Amber solid on - Battery charging with AC  Blue color solid on - Battery full  Amber blinking - Battery abnormal stop charge or batter in low power state Discharging  Amber and blinking - Battery in critical low state  Amber color off - Discharging state. System DMA Specification Legacy Mode Power Management DMA0 Free DMA1 Free DMA2 Free DMA3 Free DMA4 Direct memory access controller. DMA5 Free DMA6 Free DMA7 Free *ExpressCard controller can use DMA 1, 2, or 5. 1-36 Hardware Specifications and Configurations