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Thread: Problem OC past 3.4GHz on 1055t with 890fx-ud5




  1. #1
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    Question Problem OC past 3.4GHz on 1055t with 890fx-ud5

    hi everyone, so i just purchased a new CPU cooler after having used the stock cooler for a few weeks. and basically my current OC is 3.43GHz which is achieved using no voltage changes, just fsb and mem multi. so at 3.4GHz now im sitting on a lovely 17 which is great temps given the stock cooler was sitting on 28-29 at same ambient.

    anyhow my question is im guessing to push this chip further im going to need to start applying some voltage to certain elements, ive gave it a quick go last night with no luck at all. wouldnt even post at new speed it just reset back to default and gave me the little msg at post saying that its recovered from a bad overclock.

    some help in this matter would be greatly appreaciated as i bought this chip to goto 4.0GHz which i know they can do easily im just very new to AMD overclocking as ive been on the Intel side for my last few builds.

    other than that love the CPU and the board

    Thanks in advance :)

  2. #2
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    Default Re: Problem OC past 3.4GHz on 1055t with 890fx-ud5

    Have you tried AMD Overdrive? Just to get an idea of where the voltages and settings should be set to? Here is a nice little introduction to it. An Intro To AMD OverDrive : How To: Overclocking Your AMD Processor
    Here is the download page. Drivers & Support | GAME.AMD.COM
    You may need to increase Northbridge voltages. This is to help maintain a higher Northbridge frequency. Please check out the Northbridge frequency requirements to stop the cold boot issues.
    One thing to note about this board is Northbridge freq. requirements.
    3.4ghz cpu requires 2300mhz northbridge freq.
    3.6ghz cpu requires 2400mhz northbridge freq.
    3.8ghz cpu requires 2450mhz northbridge freq (2500 recommended)
    4.0ghz cpu requires 2650mhz northbridge freq.
    You can run Prime stable and IBT Stable but still have cold boot issues at lower northbridge frequencies.
    Let us know if this helps.
    Last edited by artdrivers; 08-13-2010 at 09:41 PM.
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  3. #3
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    Default Re: Problem OC past 3.4GHz on 1055t with 890fx-ud5

    thank you for the reply, ive been playing around with voltages in the bios as well as AMD overdrive, but am still not able to get it above 3.43GHz. as soon as i start messing with voltages it just falls over. granted with my last build it was quite simple as there wasnt anywhere near as many variables to take into consideration. with the amd route there's twice as many things that need to be taken into account by the sounds. what is getting me is not the multi's but the voltages. i just dont know how far to go, ive tried bumping them up just a touch with no success and even slightly high again with no success. it doesnt even get to windows it just resets the bios as soon as i tries to post.

  4. #4
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    Default Re: Problem OC past 3.4GHz on 1055t with 890fx-ud5

    I don't know what you have tried so excuse me if it sounds like I am asking silly questions. When you set the cpu frquency higher. Did you set the memory clock lower? When the cpu frequency is raised the memory frq. NB frq. HT frq. and sb frq. all go up with it. All the frequencies go up together. They can be set back down by dropping the clock multipliers.
    ``↓Below↓ are some more links for you to research if you want.
    http://www.pureoverclock.com/article994.html
    http://www.overclock.net/amd-motherb...a-ud5-ud7.html
    http://www.overclockers.com/forums/s...d.php?t=645685
    http://forums.pureoverclock.com/show...?threadid=8647
    http://forums.extremeoverclocking.co....php?p=3715423
    Last edited by artdrivers; 08-15-2010 at 09:09 PM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  5. #5
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    Default Re: Problem OC past 3.4GHz on 1055t with 890fx-ud5

    hi, i have set the memory multi down to below my RAM stock speed (1600) so other than the memory multi all i have done to achieve my current oc or 3.43Ghz is change the CPU host clock to 245, everything else is left on auto. anything higher than 245 and it wont post. the thing ive having problems with is exactly what freq the NB Freq and the HT Freq need to be set at in order to get past the CPU host clock of 245. cause leaving them on stock will not allow me to even post. i have left the voltages on auto as well. Turbo is turned off also. im just getting a little frustrated as no matter what combination of settings i use it just refuses to post.

  6. #6
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    Default Re: Problem OC past 3.4GHz on 1055t with 890fx-ud5

    I don't know what your memory part number is. I would more than likly try to raise the memory voltage +0.20, NB +0.20, CPU NB VID Control +0.225V, CPU Voltage Control +0.025V I'm not to sure on the SB Voltage Control, but it may need tweaked a bit. Then change the CPU frequency to 260, HT Link frequency. Down one (X9) But I wouldn't attept any changes until I load optimized defaults first. This should be done each time you make these kinds of changes. It gives the BIOS a base to start from which is important.
    We know that memory dosn't always do what the memory manufacturers advertise it to do. Sometimes voltage increases, or timing reductions are neccesary to obtain the maximum FSB of the memory. Also sometimes it just won't cut the mustard so to speak.
    You could try dropping the memory clock to 5.33 just to see if the memory has hit a wall.
    In Advanced BIOS Features disable cool and quiet.
    ALSO
    To see more Advanced BIOS Setup menu options, you can press Ctrl + F1 in the main menu of the BIOS Setup program. This is the first page in BIOS hold CTRL and press F1 look carefully at the screen it will flicker. This should be done each time you make these kinds of changes. There are hidden settings to OC. Below Advanced BIOS Feature should appear Advanced Chipset Feature. Could you let us know what options are listed in the Advanced Chipset Feature? Is the SB 850 Spread Spectrum disabled? Disabled should enhance the overclock ability.
    Are you using the latest bios? What MB rev. are you using? ( GA-890FXA-UD5 ) (rev. 2.0) or (rev. 2.1)?
    One more thing after ctrl + F1 go into Power Management and disable EUP (Enterprise Unified Process) Support. This can cause Bios reboot issues when overclocking.
    I hope some of this helps let us know.
    Last edited by artdrivers; 08-16-2010 at 09:14 PM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  7. #7
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    Default Re: Problem OC past 3.4GHz on 1055t with 890fx-ud5

    hi, sorry for the delay in replying. currently ive managed to get it to 3.62GHz stable, with just vcore (1.40v) however i cant even get a post past that. i actually get a series of beeps which total 8 before it auto restarts. ive done a little research and that apparently is RAM. im not sure if its maybe not getting enough power but the RAM kit i have says 1.5v and the bios has a normal setting of 1.51v for it, which is where it's at currently. i think its fine temp wise cause currently at 3.62GHz in on 21 and never reaches 40 under stress testing. ive set the timing manually at 9-9-9-28 in the settings with the RAM multi at 5.33 which when it posts says its running at DDR3 1066. im also wondering if maybe my power supply is an issue, its a Toughpower 750W which I was using in my previous system so its about 2years old. ive also got the NB multi on 9 and the HT at 8. once i change anything i just get the beeps and reset.

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