Acer XE.H6RPN.006 用户手册

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页码 224
Hardware Specifications and Configurations
1-27
Card Reader
System LED Indicator
System DMA Specification
Item
Specification
Chipset
Embedded in T20 SOC.
Package
FCBGA -664 23X23
Maximum supported size
SD: 32G
Features
Storage cards with adapter: mirco SD™
Item
Specification
Lock
N/A
System state
White color : Flash on booting
White color and amber color off : System off / suspend
Amber color : Battery in charging
HDD access state
N/A
Wireless state 
N/A
Power button backlight
Amber while charging; Blue while charging complete
Battery state
Power button: Amber while charging; Blue while charging 
complete
Legacy Mode
Power Management
DMA0
Not applicable
DMA1
Not applicable
DMA2
Not applicable
DMA3
Not applicable
DMA4
Direct memory access controller
DMA5
Available for ExpressCard
DMA6
Not Assigned
DMA7
Not Assigned
*ExpressCard controller can use DMA 1, 2, or 5.