System Power Management; System Dma Specification - Acer Aspite MS2361 Service Manual

System Power Management

Power management system
Power global states

System DMA Specification

Legacy Mode
DMA0
DMA1
DMA2
DMA3
DMA4
DMA5
DMA6
DMA7
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Hardware Specifications and Configurations
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Item
ACPI 3.0-compliant
G3 Mechanical Off - This off state is entered through a

mechanical means; no electrical current is running through
the circuitry and it can be worked on without damaging the
hardware or endangering service personnel. Except for the
real-time clock, power consumption is zero.
G2/S5 Soft Off - OS initiated shutdown. The computer

consumes a minimal amount of power. No user mode or
system mode code is run. It is not safe to disassemble the
machine in this state.
G1 Sleeping - The computer consumes a small amount of

power, user mode threads are not being executed, and the
system "appears" to be off. It is not safe to disassemble the
machine in this state
G0 Working - The computer dispatches user mode

(application) threads and they execute. It is not safe to
disassemble the machine in this state.
S4 Non-Volatile Sleep - Also known as hibernation state. A

special global system state that allows system context to be
saved and restored (relatively slowly) when power is lost to
the mainboard. It is not safe to disassemble the machine in
this state.
Free
Free
Free
Free
Direct memory access controller
Free
Free
Free
Specification
Power Management
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