Acer 4253G manual System LED Indicator Specification

System LED Indicator

Item	Specification
Lock	Caps Lock on = Blue
	Caps Lock on = Blue
System state	Blue color on: System on
	Blue color and amber color off: System off
	Amber color on: S3
HDD access state	HDD access active = Blue
Wireless state	Wifi on = Amber
Power button backlight	Blue color solid on: System on
	Blue color off: System off
Battery state	Full charging = Blue
	Battery charging = Amber
Back up state	Back up active = Blue
Arcade module state	Arcade module active = Blue
Finger print module state	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.

1-42 Hardware Specifications and Configurations