Acer Aspire E1-531 Service Manual page 38

System LED Indicator
Item
Lock
System state
HDD access state
Wireless state
Power button backlight
Battery state
System DMA Specification (N/A)
Hardware DMA
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7
NOTE:
ExpressCard controller can use DMA 1, 2, or 5.
1-31
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 or Card reader access
• 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 color blinking - Battery abnormal stop charging or
battery in low power state
Discharging
• Amber color blinking - Battery in critical low state
• Amber color off - Discharging state
Specification
System Function
Hardware Specifications and Configurations