Intel 317443-001US user manual Power Management States

Intel® 945GME Express Chipset—Theory of Operation

3.6Power Management States

The evaluation board supports the following ACPI System states: S0 (Full On), S3

(Suspend to RAM), S4 (Suspend to disk), and S5 (Soft-off), ACPI CPU states: C0 (Full On), C1 (Auto Halt), C2 (Stop Grant), C3 (Deep Sleep), and C4 (Deeper Sleep), and ACPI Global Power States: G0 (Working), G1 (Sleeping), G2 (Soft Off), and G3 (Mechanical Off). Transition requirements are detailed below.

Table 5 lists the power management states that have been identified for the Intel® 945GME Express Chipset Platform.

Table 5. Intel® 945GME Express Chipset Development Kit Power Management States

State	Description
G0/S0/C0	Full On
G0/S0/C2	STPCLK# signal active
G0/S0/C3	Deep Sleep: DPSLP# signal active
G0/S0/C4	Deeper Sleep: DPRSLP# signal active
G1/S3	Suspend to RAM
G1/S4	Suspend to Disk
G2/S5	Soft Off
G3	Mechanical Off

Intel® CoreTM 2 Duo processor with the Mobile Intel® 945GME Express Chipset
Manual	May 2007
30	Order Number: 317443-001US