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Performance power management features on processor are disabled due to firmware prob

Discussion in 'Windows 7' started by kirkA, Apr 1, 2010.

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  1. kirkA

    kirkA Thread Starter

    Apr 1, 2010
    I have a i7-920 on a EVGA x58 SLI board running Windows7-x64. In my Event Viewer log, there is an error message that reads "Performance power management features on processor 1 in group 0 are disabled due to a firmware problem. Check with the computer manufacturer for updated firmware." There are 8 new error messages added to the log everytime that I boot-up. I contacted EVGA and one tech said that it was a Window7 problem and I would have to wait on a SP from Microsoft. Another tech said that it is an Intel problem and that I should contact Intel...... I have later learned that they both are wrong.:(

    I contacted Intel and the tech there told me that the problem may be related to Enhanced Intel SpeedStep Technology (EIST) and Enhanced Halt State (C1E).

    Here is what I did to fix the error messages. In the BIOS I went to Frequency>Voltage Control and enabled Intel Speed step and set the CxE function to C6.:)

    Hopefully, this will help others that are having this error message in their Event Viewer.
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