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Old 09-25-2006, 05:23 AM   #6 (permalink)
PC eye
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Join Date: Apr 2006
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Microsoft developed a hotfix for multiple processor boards(boards with two not one cpu) that is intended for use when you see drastic performance losses. The article is seen at http://support.microsoft.com/?id=896256

How to disable the new performance state policy behavior

loadTOCNode(3, 'moreinformation');Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

After you install the hotfix that is described in this article, you may use registry settings to disable the new performance state policy behavior. To do this, follow these steps: 1.Click Start, click Run, type regedit, and then click OK.2.Right-click HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Session Manager, point to New, and then click Key.3.Type Throttle for the new key name.4.Right-click Throttle, point to New, and then click DWORD Value.5.Type PerfEnablePackageIdle for the value name.6.Right-click PerfEnablePackageIdle, and then click Modify.7.In the Value data box, type 0. Make sure that Hexadecimal is selected in the Edit DWORD Value dialog box, and then click OK.

Note You can type 1 in the Value data box to enable the new performance state policy behavior.8.Quit Registry Editor.
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