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PPM Mode

Common Options : Native, SMM

Quick Review

The PPM Mode BIOS option allows you to change the operating mode of the Processor Power Management (PPM).

When set to Native, the operating system will use its native PPM support to directly control the processor's performance states and power management.

When set to SSM, the operating system will revert to the ACPI System Management Mode (ACPI SMM), leaving power management to the processor.

If you are using an older operating system like Windows 98 or Windows 2000, you should set this BIOS option to SSM. You should also select SSM if you are using Windows XP or Windows 2003 in a multi-processor or multi-core environment.

On the other hand, you should select Native if you are using a newer operating system that supports ACPI 3.0. This includes Windows Vista, Windows Server 2003, Windows 7 and Windows 2008.

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