1. vishalrao's Avatar

    Does anyone know why the new Skylake "Speed Shift" (aka Hardware P-state control) would appear disabled on my Windows 10, and how to enable it?

    This is a Core i5-6500 CPU on ASUS H170-Pro mobo and incidentally when I boot into Linux (latest Ubuntu 16.04 LTS with kernel version 4.4.x) the "dmesg" output appears to show "HWP enabled".

    I do have the latest Win10 release version (10586 and 1511) which should have this feature available.

    See the screenshot of HWInfo64 summary showing "SST" text in red colour (also highlighted in a red circle by me) meaning it's supported/available but disabled:


    My mobo BIOS (latest version) does not have "Speed Shift" option anywhere just the older "Speed Step" mentioned which I've set to "Auto" - but again - this appears to be working/enabled on Linux.

    05-03-2016 01:14 AM
  2. Tech-1's Avatar
    Windows 10 v1511 does not support Hardware P-States for desktop Skylake CPUs. That's why HWInfo is showing you HWP as being disabled.

    Speed Shift is currently only supported for mobile Skylake CPUs on Windows 10.
    06-17-2016 08:27 AM

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