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Asus Rampage III Formula HPET & DPC Latency Issue

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  • Asus Rampage III Formula HPET & DPC Latency Issue

    I have a Asus Rampage III Formula which I purchased on 22nd October 2010 from Beach Audio and it has no problems but ever since I installed it the clock keeps losing time in the OS.

    I have set the clock numerous times now and it consistently loses time. I have not measured the rate but it looks to be about 10 seconds every 10 minutes.

    The time is fine in Linux, Windows XP & the Bios.

    I have done the following to try & fix it :
    1. Updated the Bios to version 0505
    2. Changed the CMOS Battery with a Maxell CR2032
    3. Reinstalled the OS thrice

    My System specifications are :
    • Intel Core i7 980x @ Stock Speed currently
    • Thermalright HR-02
    • Asus Rampage III Formula
    • Corsair HX1000W
    • Corsair Dominator 6x2GB DDR3 1600MHz 7-7-7-20 2T running at 1600MHz 8-8-8-24 2T
    • ZOTAC GeForce GTX 480 AMP 1.5GB
    • Mushkin Callisto DLX 240GB SSD (Firmware 320A13F0) for the OS
    • WD 1001FALS 1TB
    • Seagate Barracuda XT 2TB x4
    • Auzentech X-Fi Forte PCI Express Sound Card
    • Asus U3S6 USB 3.0 & SATA 6Gb/s PCI Express Card
    • Rosewill RC-505 2-Port USB 3.0 PCI Express Card

    The System is running Windows 7 Professional x64 Legit.

    My DPC Latency is 4000-5000.

    Onboard Audio is off.

    My friend who also has a Asus Rampage III Formula searched google & found out I need to disable HPET to fix it but sadly the Bios does not have the option.

    It's really disappointing to see a brand like Asus not including a basic option like HPET on a year 2010 Motherboard when even my 3yrs old DFI Lanparty UT P35 T2R has it. :(

    Any help would be really appreciated.
    Last edited by Udit; 12-24-2010, 08:35 PM.

  • #2
    Re: Asus Rampage III Formula HPET & DPC Latency Issue

    no help available????????

    Comment


    • #3
      Re: Asus Rampage III Formula HPET & DPC Latency Issue

      hpet should be in the bios somewhere,as for it losing time do you turn the pc off for long periods? try disabling c1e in the bios for dpc latency,if that doesnt work try c1e and eist,un-install any asus power saving software as this may help with latency
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      • #4
        Re: Asus Rampage III Formula HPET &amp; DPC Latency Issue

        Originally posted by wazza300 View Post
        hpet should be in the bios somewhere,as for it losing time do you turn the pc off for long periods? try disabling c1e in the bios for dpc latency,if that doesnt work try c1e and eist,un-install any asus power saving software as this may help with latency
        hpet is nowhere
        c1e, eist, speedstep & thermal monitor are off

        Comment


        • #5
          Re: Asus Rampage III Formula HPET &amp; DPC Latency Issue

          somebody help me

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