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Thread: GA-Z77M-D3H High Latency PCI




  1. #1
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    Default GA-Z77M-D3H High Latency PCI

    Hi guys, im trying to fix an latency issue that im having with my GA-Z77M-D3H Motherboard.

    I already tryied Bios F9, F10, F11 and the latency of the sound card connected to the PCI Port is 1500us! without the card i get 125us :/

    someone know if is possible to fix it?

    Thanks

  2. #2
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    Default Re: GA-Z77M-D3H High Latency PCI

    try new bios F4, F5, F7, F8, F10a and still get the same issue :(

  3. #3
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    Default Re: GA-Z77M-D3H High Latency PCI

    I read this

    "it is a known issue with the PCI slot, b/c it isn't native to the chipset it causes high DPC latency"

    Is that True? Hope Gigabyte stuff told me something about that, because i dont want a new motherboard (purchased it 1 month ago) with that kind of problem! I can get cheapest motherboards with not so high latency!

  4. #4
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    Default Re: GA-Z77M-D3H High Latency PCI

    Ok, so noone know something about PCI Latency? :/

  5. #5
    Dave Gill is offline Junior Member
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    Default Re: GA-Z77M-D3H High Latency PCI

    Don't know about the D3H but reviews suggest the GA-Z77X-UD5h has latency problems, so may be a general issue with gigabyte boards.

    "The UD5H comes more often than not in the middle in terms of peak and real-world IO performance, but drags behind when it comes to DPC Latency."

    see AnandTech - Gigabyte GA-Z77X-UD5H Review: Functionality meets Competitive Pricing

  6. #6
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    Default Re: GA-Z77M-D3H High Latency PCI

    amazing...

    will be hard to sell that crap motherboard then.

    Is possible to get fixed by some Bios update? i cant beliave that Gigabyte dont do anything abt that

  7. #7
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    Default Re: GA-Z77M-D3H High Latency PCI

    have you tried latest beta bios's? what issue is it causing apart from high figures in dpc latency checker?
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  8. #8
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    Default Re: GA-Z77M-D3H High Latency PCI

    Well i tryed ALL the bios, from F4 to F11 and cant fix it.

    I get 2 BSOD in the latest days, taht why i start searching for problems, and after fix some i get that PCI latency delay :/

  9. #9
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    Default Re: GA-Z77M-D3H High Latency PCI

    try and see what blue screen codes are,124 not enough cpu or qpi/vtt

    101 error not enough cpu voltage,make sue bclk is set to 100mhz also,can try with one or two clicks more cpu vtt and see if that helps

    remember to shut down easytune to see if that lowers latency spikes
    Last edited by wazza300; 08-28-2012 at 01:05 AM.
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  10. #10
    Join Date
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    Default Re: GA-Z77M-D3H High Latency PCI

    Quote Originally Posted by wazza300 View Post
    try and see what blue screen codes are,124 not enough cpu or qpi/vtt

    101 error not enough cpu voltage,make sue bclk is set to 100mhz also,can try with one or two clicks more cpu vtt and see if that helps

    remember to shut down easytune to see if that lowers latency spikes
    Ok, btw, after remove the audio PCI card no more latency and no more blus screens.


    I really want to use the card its an 300USD sound card dont want to trash it

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