Intel Core Duo Mobile 945GM User Manual

34 Mobile Intel
®
945GM Express Chipset
Development Kit User’s Manual
Theory of Operation
3.6 Power 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
®
945GM Express
Chipset Platform.
Table 4. Primary System Clocks
Clock Name Speed
CPU 133 MHz @ 533 FSB Speed
166 MHz @ 667 FSB Speed
DDR2 100 MHz @ 400 Memory Speed
133 MHz @ 533 Memory Speed
166 MHz @ 667 Memory Speed
PCI Express* and DMI 100 MHz
SATA 100 MHz
PCI 33 MHz
USB 48 MHz
Table 5. Intel
®
945GM 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 Core Duo Mobile 945GM Specifications

General

Brand	Intel
Model	Core Duo Mobile 945GM
Category	Computer Hardware
Language	English