8170 N/B MAINTENANCE

1.5.9.3 System power state

Definitions when ACPI engaged

Global States:

G0 – Global system is working

G1 – Global system is sleeping

G3 – Global system is mechanical-off

Suspend States:

S1 – CPU stop, no system context lost

S2 – CPU stop, no system context lost except CPU & cache’s context is lost

S3 – CPU stop, the whole system context lost except system memory content is maintained S4 – CPU stop, all system context saved to nonvolatile media before lost.

S5 – Soft Off

CPU States:

C0 – CPU is working

C1 – CPU is in Auto Halt Mode

C2 – CPU is in Quick Start Mode, the system will maintain the cache coherency

C3 – CPU is in Deep Sleep Mode, the system must disable any event which could make the cache lost coherency. This model is not support C3 mode.

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