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Thread: HPET Enabled or Disabled?




  1. #1
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    Default HPET Enabled or Disabled?

    Hello, I have read a tweaking guide about disabling HPET to fix some stutters in games.
    I tried to disable it and I noticed my DPC latency has lowered to 6 instead of 60 with it enabled.
    Does HPET really needed or it doesn't have any important? also it is better to use the 32bit or the 64bit hpet?

    thanks
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  2. #2
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: HPET Enabled or Disabled?

    Check out High Precision Event Timer - Wikipedia, the free encyclopedia for more information.
    I'm still living in the stone age (w2k pro sp4) so I have it disabled.

    My understanding is you select 32-bit mode for 32-bit operating systems and 64-bit mode for 64-bit operating systems.
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  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: HPET Enabled or Disabled?

    Enabled or not is up to you, it's actually supposed to smooth out media such as videos and games, if you disable it then an ACPI based timer will be used instead.

    If you enable it, set to the same type as your OS x86 or x64

    High Precision Event Timer - Wikipedia, the free encyclopedia

    Thanks for the DPC reminder, I always forget to ask people to test with that disabled!

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