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Power profile settings, both in the BIOS and within the operating system, can result in the Intel® Processor Identification Utility reporting a marginally higher or lower reported frequency than the expected frequency.
Some mobile computer systems contain a maximum battery saving feature, or "silent mode" capability, which when used, may cause the Intel Processor Identification Utility to erroneously report that the System Bus is overclocked.
If the reported frequency differs from what was expected, set the Windows* system power management mode to a high performance mode, plug in the system power cord, and reboot the system before retesting. The recommended setting for testing purposes is to set the power management mode to "Always On."
For BIOS setting recommendations and instructions, please consult the documentation provided by the system manufacturer.
Operating System:
| Windows XP Professional x64 Edition*, Windows Server 2003 Standard x64 Edition*, Windows Server 2003 Enterprise x64 Edition*, Windows Vista(Beta 1)*, Windows Vista 64*, Windows Vista Starter, 32-bit version*, Windows Vista Home Basic, 32-bit version*, Windows Vista Home Premium, 32-bit version*, Windows Vista Business, 32-bit version*, Windows Vista Enterprise, 32-bit version*, Windows Vista Ultimate, 32-bit version*, Windows Vista(RC2)*, Windows Vista Home Basic, 64-bit version*, Windows Vista Home Premium, 64-bit version*, Windows Vista Business, 64-bit version*, Windows Vista Enterprise, 64-bit version*, Windows Vista Ultimate, 64-bit version*, Windows Vista *, Windows Vista 32*, Windows 7 *, Windows 7 (32-bit)*, Windows 2000 *, Windows 7 (64-bit)*, Windows 7 Enterprise, 32-bit version*, Windows 7 Enterprise, 64-bit version*, Windows 7 Home Basic, 32-bit version*, Windows 7 Home Basic, 64-bit version*, Windows 7 Home Premium, 32-bit version*, Windows 7 Home Premium, 64-bit version*, Windows 7 Professional, 32-bit version*, Windows 7 Professional, 64-bit version*, Windows 7 Starter Edition*, Windows 7 Ultimate, 32-bit version*, Windows 7 Ultimate, 64-bit version*, Windows 7(RC1, 32-bit)*, Windows 7(RC1, 64-bit)*, Windows XP Professional*, Windows XP Home Edition*, Windows Server 2003 *, Windows XP Media Center Edition*, Windows 2000 Server*, Windows 2000 Advanced Server*, Windows Server 2003 Standard Edition* |
This applies to:
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