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Thread: Ga-p55-usb3 f8 and i5-750




  1. #1
    Darkling is offline Member
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    Default Ga-p55-usb3 f8 and i5-750

    I got this i5 750 running on default values for a month now and i think it is time to OC it a bit. I decided to bump the BCLK to 150 because i dont want to mess with voltage control. That will give me an OC to 3.2 -> 3.6 with Turbo. The question is (and i want a simple answer as possible) about the RAM.
    I have a 2x2GB Kingston XMP 7-7-7-20 1333 @ 1.65v. Now i have XMP enabled and it has detected those values automatically.
    If i bump the BCLK to 150 what steps must i do in order to configure the RAM? I assume i can't just leave it to XMP as it is.

  2. #2
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    Default Re: Ga-p55-usb3 f8 and i5-750

    whats the maximum cpu multi for that chip? you have to look in system memory multiplier(spd) and select the ram speed 8x 10x 12x ect untill you get as close as you can to 1333mhz without going over,this all changes depending on what number bclk you use
    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
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  3. #3
    Darkling is offline Member
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    Default Re: Ga-p55-usb3 f8 and i5-750

    I have seen it up to x24 in turbo mode, resulting to a 3,2ghz overclock. I figured if i only changed the BCLK from 133 to 150 that is the only change i need to do. So when all cores will be occupied i will get 150 x 20 and when one or two cores a used i will get a final of 150x24. Am i thinking this right? Do i need any other change in the bios except from 133 to 150?

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    Default Re: Ga-p55-usb3 f8 and i5-750

    aslong as xmp keeps the memory at 1333mhz and 1.65v,keep an eye on qpi/vtt voltage it should be around 1.5-1.2v,you could set cpu voltage on normal too in cpu voltage list
    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!!!!!!!!!!!!!!!!!!!!!!

  5. #5
    Darkling is offline Member
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    Default Re: Ga-p55-usb3 f8 and i5-750

    I am guessing now that the BCLK is 133 the multiplier is x10 and i get the 1333 of the RAM.
    Are you saying that if i bump to 150 i dont have to do anything with the RAM and it will be 1333 on its own? I was thinking i had to change it x9 to get 1350 which is the closest.

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    Default Re: Ga-p55-usb3 f8 and i5-750

    you might not if xmp still sets it correctly,but you will have to set it manually if it doesnt
    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!!!!!!!!!!!!!!!!!!!!!!

  7. #7
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Ga-p55-usb3 f8 and i5-750

    If you need help setting it up manually let us know, I personally don't like XMP :)

  8. #8
    Darkling is offline Member
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    Default Re: Ga-p55-usb3 f8 and i5-750

    Quote Originally Posted by Lsdmeasap View Post
    If you need help setting it up manually let us know, I personally don't like XMP :)
    Ok i need instructions of how to set the BCLK on 160, the memory multiplier x10 resulting to a 3.2ghz overclock and 1600mhz RAM. The ram is XMP 1333mhz 2x2 GB 7-7-7-20 1.65v.
    I need all the options available without having to change any of the stock voltages.

  9. #9
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    Default Re: Ga-p55-usb3 f8 and i5-750

    you wont run your ram at 1600mhz,its only 1333mhz so you would have to set bclk to 20x160=3.2ghz and set the memory spd multiplier to 160x8= 1280mhz ram speed

    or raise the overclock slightly to 165x20=3.3ghz,and set memory multiplier spd to 165x8=1320mhz ram speed
    so 8x for ram and 20x165 for cpu,set cpu voltage to normal and set dram to 1.66v and qpi/vtt voltage could be anything from 1.25v to 1.3v
    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
    Darkling is offline Member
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    Default Re: Ga-p55-usb3 f8 and i5-750

    Quote Originally Posted by wazza300 View Post
    you wont run your ram at 1600mhz,its only 1333mhz so you would have to set bclk to 20x160=3.2ghz and set the memory spd multiplier to 160x8= 1280mhz ram speed

    or raise the overclock slightly to 165x20=3.3ghz,and set memory multiplier spd to 165x8=1320mhz ram speed
    so 8x for ram and 20x165 for cpu,set cpu voltage to normal and set dram to 1.66v and qpi/vtt voltage could be anything from 1.25v to 1.3v
    Can't i run this ram at 1600mhz with bigger timings? For instance 7-8-7-21 or 8-8-8-24?
    I will try a 150 BCLK and x9 multiplier to see if that works to get 1350mhz on the ram

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