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Thread: P35 Motherboards and DPC Latency Spiking




  1. #31
    Join Date
    Feb 2008
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    Default Re: P35 Motherboards and DPC Latency Spiking

    Oh thats a bummer the X48 has it too, i was gonna get one but i guess i wont now. Thats means it affects all Gigabyte boards since P35. I havent seen anyone with P965 chipset report the problem.

    @ Dewdman. Yap, i tried the Latency checker on a clean install of windows, like from the first boot after installation when there are no drivers on the machine and it still happens.

  2. #32
    Join Date
    Apr 2008
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    2

    Default Re: P35 Motherboards and DPC Latency Spiking

    The beta-bios 7f cures the dpc latency completely for the X48 !! It is a bios thing..

  3. #33
    Join Date
    Feb 2008
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    43

    Default Re: P35 Motherboards and DPC Latency Spiking

    I got a beta bios for the X38 and it improves it alot but its still there.

  4. #34
    Join Date
    Apr 2008
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    Default Re: P35 Motherboards and DPC Latency Spiking

    Gigabyte Team!

    My GA-G33-DS3R has a "DPC latency problem" on bios F5...F7f(beta).
    Please fix this on future motherboard's bios releases!!!

    I am ready to test pre-Beta bios.

    Thank you.

  5. #35

    Default Re: P35 Motherboards and DPC Latency Spiking

    I just tested my EP35-DS3P and it also regularly spikes to 1000-1100 with BIOS F2....have NOT tried the new F3beta...
    Take care,
    Rick
    GA EP35 DS3P w/ E6400 @ 3.2 Ghz, 2 x 2Gb G-Skill PC8000, XFX 9600GT, Corsair TX 650W

  6. #36
    Join Date
    Feb 2008
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    Default Re: P35 Motherboards and DPC Latency Spiking

    I have a bad feeling that it is something that cant be fixed with a bios update. Its too widespread across too many boards, im just gonna get another brand. Ive had too many headaches about this for too long. Its a shame bcoz i liked Gigabyte and I really hope the P45's dont have this problem, but at the moment i cant recommend Gigabyte motherboards to my customers.

  7. #37
    Join Date
    Mar 2008
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    43

    Default Re: P35 Motherboards and DPC Latency Spiking

    I just want to say that I just installed the beta bios "13b" that was provided to me from Janus in Gigabyte Tech support for the GA-P35-DS4(rev2.0) and it works like a champ. with F12, and a barebones simple new XP Pro install, not even a soundcard installed, I was seeing regular speaks in the 700us range and occasionally some around 1500us. Installed F13b and now a "spike" is 40us, even when I am moving the mouse around like crazy...and often times it is under 10us.

    I think Gigabyte is on top of the issue, whatever it is. Let's hope it makes it out into all of their board's production BIOS releases.

    By the way, a Q6600 is in my board and its overclocked lightly to 3.01ghz and working fine with this bios, but I left the settings from the previous BIOS in order to retain the vcore settings.

    Anyway, just wanted to report something positive.

  8. #38
    Join Date
    May 2008
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    7

    Default Re: P35 Motherboards and DPC Latency Spiking

    hey there i was wondering if there is a beta for the ds3l motherboard for the dpc latency spiking? if there is where or who would i have to contact?

  9. #39
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
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    Default Re: P35 Motherboards and DPC Latency Spiking

    Janus is who you would contact about that, see post #7 on page one of this thread for email addy

  10. #40
    Join Date
    Apr 2008
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    20

    Default Re: P35 Motherboards and DPC Latency Spiking

    I just got DPC fix bios for ep35-ds3r (F3F bios) from Janus. I will test it tonight and let you guys know the result.

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