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Thread: Gigabyte Z77 - Overclocking Guide?




  1. #1
    amorak is offline Junior Member
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    Default Gigabyte Z77 - Overclocking Guide?

    Hi everyone,

    I just bought a Z77-D3H and a 3750k. I am new to Ivy bridge / Sandy Bridge OCing (coming from a Core2Quad) - Is there a guide that goes through the best UEFI BIOS settings for the Gigabyte Z77 boards for OCing?

    Thanks!

  2. #2
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    Default Re: Gigabyte Z77 - Overclocking Guide?

    what cooler are you using? and what does that cpu auto oc too? they are pretty much similar to sandybridge,you dont adjust the cpu bclk on those chips,keep it at 100mhz and do all overclocking with the cpu multiplier,the hardest thing i found to get right is how much each llc(loadline calibration) adds to the cpu voltage at load,you can add a tiny amount of cpu voltage at load in cpu offset or dvid,just look and see what voltage your cpu uses at stock/normal and up the cpu multiplier to see how far you can clock to on stock voltage and add a tiny +0.05v/+0.010v in dvid or raise the llc level by one,keep an eye on cpu voltages though dont let then go to high,around 1.3-1.35v depends how high you want to clock to

    theres also something called cpu power limit its in percentage on my board might be labeled different on gigabyte but i have mine set to 120%,all the other settings should be fine on auto

    the main voltages to look after and tweak are dvid/cpu voltage,dram voltage and qpi/vtt for the built in memory controller,for qpi/vtt you might be fine at stock 1.05v or might need one or two clicks more,not much more than that though,and finding the right level llc so not to push up cpu voltage too much ect
    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
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    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
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    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!!
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  3. #3
    boondocks's Avatar
    boondocks is offline Senior Member
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    Default Re: Gigabyte Z77 - Overclocking Guide?

    wazza, probably no need to set the power and current limits, it seems to make no difference on my UD5H boards. Well, at least under x47 anyway.
    I've never had to adjust the vtt either, but might be necessary for some dram, idk. Basically I use dvid and llc, and how much of either is going to depend on the cpu/board. I'm actually using negative dvid on one board, although I haven't finalized the OC yet as it's been down a lot doing mods.

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    Default Re: Gigabyte Z77 - Overclocking Guide?

    yes maybe,ivybridge uses lower voltages than sandybridge,it was only a rough estimate,you can undervolt in dvid by setting -0.05v and so on
    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!!!!!!!!!!!!!!!!!!!!!!

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    Default Re: Gigabyte Z77 - Overclocking Guide?

    he should increase all the current limits and thermal limits, but not the switching frequency. The D3H isn't like the other boards, it might require PWm limits increased a bit for a good OC.
    Ivy Bridge Overclocking Guide (Extreme LN2 Section Guide Included)

    Just set a multiplier like 45x, then set vcore like 1.2v or 1.25v and see if it works.

  6. #6
    boondocks's Avatar
    boondocks is offline Senior Member
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    Default Re: Gigabyte Z77 - Overclocking Guide?

    Quote Originally Posted by sin0822 View Post
    he should increase all the current limits and thermal limits, but not the switching frequency. The D3H isn't like the other boards, it might require PWm limits increased a bit for a good OC.
    Ivy Bridge Overclocking Guide (Extreme LN2 Section Guide Included)

    Just set a multiplier like 45x, then set vcore like 1.2v or 1.25v and see if it works.
    Ah. Good to know. Thanks sin. I guess the UD5H has a more robust power delivery as I've tried increasing limits vs Auto and it made no difference for me.

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