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Systems that qualify for the Windows Server 2008 R2 logo are eligible for the Enhanced Power Management additional qualification (AQ). The test for this AQ verifies that the system meets two requirements:
. If the system processor supports p-states, then the system must expose at least one p-state to the operating system. Systems with processors that do not support p-states also meet this requirement.
. The system firmware must expose at least one
Win32_PowerMeter object whose
CurrentReading and
ConfiguredBudget properties are both within the range 25W - 5000W.
If a system meets both requirements, then the Enhanced Power Management AQ test passes. All test cases return PASS or FAIL. Review the test results in the log file for specific details about failures.
Note: Before running the test, you should ensure that the system has at least one Power Meter device with a Hardware Limit (also called Configured Budget) value between 25W and 5000W. If this value is unspecified, the Power Meter will output 0 for the Hardware Limit, which will cause the system to fail the test.
For more information about power management in Windows, see:
. Recommendations for Power Budgeting with Windows Server (
http://www.microsoft.com/whdc/system/pnppwr/powermgmt/Svr_PowerBudget.mspx)
. The Plug and Play and Power Management tab on the Windows Hardware Developer Central (WHDC) Web site (
http://www.microsoft.com/whdc/system/pnppwr/).