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System Led Indicator; System Dma Specification - Acer ASPIRE 4253 Service Manual

Acer laptop user manual.
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System LED Indicator

Item
Lock
System state
HDD access state
Wireless state
Power button backlight
Battery state
Back up state
Arcade module state
Finger print module state

System DMA Specification

Legacy Mode
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7
*ExpressCard controller can use DMA 1, 2, or 5.
1-42
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
N/A
N/A
N/A
N/A
Direct memory access controller
Available for ExpressCard
Not Assigned
Not Assigned
Hardware Specifications and Configurations
Specification
Power Management

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  • Faye Rumpel Mar 19, 2016 01:48:
    I would like an explanatio​n of what the keys F1 - F12 mean.