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Thread: i7 Overclocking Issues with EX58-UD5




  1. #11
    Join Date
    May 2009
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    43

    Default Re: i7 Overclocking Issues with EX58-UD5

    very high volatages. try:

    PCIE 1.500v ...........................[Auto]
    QPI PLL 1.100v .......................1.1v
    IOH Core 1.100v .....................1.18v
    ICH I/O 1.500v .......................[Auto]
    ICH Core 1.1v ........................[Auto]
    uncore x16

    CAS Latency Time ......................9
    tRCD .......................................9
    tRP .........................................9
    tRAS .......................................[AUTO]
    i7 3930k, x79-UD5
    32GB (Corsair Dominator Platinum + Patriot XD2 )
    Asus GTX 670 OC DCUII

    Enermax 950W Revo., X-FI

    SS TJ07, LC (EK Supreme HF/NI, MCP655 + EK, RX480, other stuff)

  2. #12
    Join Date
    Nov 2009
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    Milwaukee
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    36

    Default Re: i7 Overclocking Issues with EX58-UD5

    Still freezing :/

    Sometimes it freezes and the LED code on the motherboard changes from FF to C0. Could this help indicate where the problem lies?

    This is from another thread on the error codes...

    C0 CPU status flag test, CPU register test, memory refresh test
    Quote Originally Posted by Higgins
    Pro tip: don't piss off PC gamers on purpose

  3. #13
    Join Date
    Jun 2009
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    South Africa
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    48

    Default Re: i7 Overclocking Issues with EX58-UD5

    I had a similar issue and two notches increased in vcore sorted them out. I think with the mem controller being on the cpu it puts more stress on the cpu so i would say increase the vcore to maybe 1.28(1.3V in the bios) and see if it helps.
    The reason that 2x the memory multiplier was more stable then 2x + 1 or 2 x + 2 is probably to do with your Motherboard or your voltage settings. My board doesn't like anything higher then 4000Mhz(For now i hope). In the beginning i also couldn't get 18x uncore stable but after hours of fiddling and some help from the guys on this forum i managed to get it to work. It is all about finding the correct relationship with all the voltages. To much is just as bad as to little. For me i had to set the QPI/Vtt quite high and i had too much QPI Pll voltage. Every cpu and board is different so it is difficult to give exact settings. I think you have to play around and find what works. I found that once i got closer to the correct voltages the board would get to and go through the intial Post screen quicker. Where before it would take quite long to decide to post and when it did post it would take quite long to move off the post screen.

    I hope this helps

    Good luck
    Last edited by jonathankru; 12-27-2009 at 10:19 AM.
    Intel i7 920 D0 @ 4.2Ghz+HT 1.36V / Gigabyte EX58-UD4P / G-Skill 3x2 gig DDR 2133 PERFECT STORM / MSI 5870 1GIG / Corsair HX1000 Watt/ CM Stacker 830 /
    Cooled By: Swiftech Apogee GTZ /Swiftech MCR-320 /1/2" ID Feser Flexible PVC Tubing /Swiftech MICRO Rev2 Reservoir /Swiftech MCP655 variable/Thermalright HR-05-ifx

  4. #14
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    Default Re: i7 Overclocking Issues with EX58-UD5

    At this point Im just gonna start from scratch...

    Set all voltages to auto, except vcore and qpi/vtt voltage (which I set to 1.19375v vcore and 1.175v qpi/vtt voltage - these voltages come from what they are at when I use auto at stock volts w/o turbo enabled).

    I set memory multi at 8x and uncore at 16x manually. BCLK is set at 153 and CPU multi is 21x (21x153 = 3.21GHz, 5.5 GT/s QPI).

    Gonna run 10 passes of LinX max mem then bump BCLK so CPU Frequency is 3.6GHz. Then Im gonna test some more, adjust Vcore and QPI/VTT voltage as necessary, then go after 3.8GHz. Rinse and repeat.

    PCI Frequency is locked at 100 MHz
    Quote Originally Posted by Higgins
    Pro tip: don't piss off PC gamers on purpose

  5. #15
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    Default Re: i7 Overclocking Issues with EX58-UD5

    3.6ghz (171x21) doing well so far on stock voltages (as posted above). Passed 10 LinX max memory passes, just gonna run prime95 blend overnight while I sleep, see where that leads to.

    Quote Originally Posted by Higgins
    Pro tip: don't piss off PC gamers on purpose

  6. #16
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    Default Re: i7 Overclocking Issues with EX58-UD5

    Here is 3.8GHz stable on stock volts

    http://img706.imageshack.us/img706/6...voltages38.jpg
    Quote Originally Posted by Higgins
    Pro tip: don't piss off PC gamers on purpose

  7. #17
    Join Date
    Dec 2009
    Location
    UK
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    43

    Default Re: i7 Overclocking Issues with EX58-UD5

    These are my settings for a 3.8GHz OC using the F9m BIOS, hope it helps. Noticeable differences to your config: CPU VCore is a little higher at 1.325V

    Performance Enhance ...................... [Standard]
    CPU Clock Ratio ................................ [x20]
    System Memory Multiplier (SPD) ........ x10 (OCZ Blade memory runs at a final frequency of 1900 MHz, it is rated at 2000MHz)

    Advanced CPU Features:

    Intel(R) Turbo Boost Tech .................. [disabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Disabled]
    C3/C6/C7 State Support .................... [Disabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Disabled]
    Bi-Directional PROCHOT ..................... [Enabled]

    Uncore & QPI Features:
    QPI Link Speed .............................. x36 (QPI frequency 6.48 GHz)
    Uncore Frequency .......................... 3800 MHz (Uncore Multiplier x 20) Isonchronous Frequency ..................[Enabled]

    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) ..................... 190


    Advanced Clock Control:
    PCI Express Frequency (MHz) ........... Auto [100]
    C.I.A.2 [Disabled]

    CPU Clock Drive ..............................Auto [800mV]
    PCI Express Clock Drive ................... Auto [900mV]
    CPU Clock Skew ............................. Auto [0ps]
    IOH Clock Skew ............................. Auto[0ps]

    Advanced DRAM Features:
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    DRAM Timing Selectable (SPD) .......... [Quick]

    Each Channel A + B + C set:

    CAS Latency Time ......................7
    tRCD ........................................8
    tRP ..........................................7
    tRAS ........................................20
    Command Rate = Auto

    CPU Vcore ............................. 1.325V (Manual)
    PCIE 1.500v ........................... Auto
    QPI/Vtt .................................. Manual 1.4V
    QPI PLL 1.100v ....................... Manual 1.88V
    IOH Core 1.100v ..................... Manual 1.24V
    ICH I/O 1.500v ....................... Auto
    ICH Core 1.1v ........................ Auto

    DRAM
    DRAM Voltage 1.500v ..............1.66 DRAM (passes MeMTest)

    Termination 0.750v [AUTO]
    Ch-A Data VRef. 0.750v [AUTO]
    Ch-B Data VRef. 0.750v [AUTO]
    Ch-C Data VRef. 0.750v [AUTO]
    Ch-A Address VRef. 0.750v [AUTO]
    Ch-B Address VRef. 0.750v [AUTO]
    Ch-C Address VRef. 0.750v [AUTO]

    My CPU idle temperature is around 36- 38 degC

  8. #18
    Join Date
    Dec 2009
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    York, UK
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    Default Re: i7 Overclocking Issues with EX58-UD5

    Personally I had problems with my o/c until I tried QPI/VTT at 1.475.

    Been ok so far, just run prime95 blend for over an hour without any errors.

    Maybe give that a try to see if it helps you?
    i7 920 (D0 Stepping),
    Gigabyte x58 UD5 - F9m bios,
    6gb Corsair XMS3 1600mhz ram,
    Corsair H50 CPU Cooler,
    ATI Sapphire 5850 gfx card,
    Crucial 64gb SSD,
    Samsung F3 1tb Sata HDD,
    Maxtor 300gb Sata HDD,
    Asus Xonar D2x Soundcard,
    Logitech Z5500 Speakers,
    Hybrid TV Card,
    Corsair Obsidian 800D Case,
    Tagan 900w PipeRock PSU,
    Sony Optiarc DVD-RW,
    Logitech Z5500 5.1 Speakers

  9. #19
    Join Date
    Jun 2009
    Location
    South Africa
    Posts
    48

    Default Re: i7 Overclocking Issues with EX58-UD5

    Quote Originally Posted by shiarua View Post
    No dice with the newest BIOS (F9M)

    I tried x18 uncore, kept getting reboots with Prime95 Large FTT

    As I have read, problems with Large FTT can indicate results with memory (correct me if this is wrong).

    I bumped uncore down to 2x the memory multiplier (Uncore = x16), and Im running Large FTT again. hopefully this work /crosses fingers

    Any reason that it just didnt like 2x+1 uncore?
    It puts more stress on the board. I am also curious what allows higher Uncore Frequency. I am now stuck at 4000Ghz and no higher on the Uncore Frequency. I think the QPI/VTT has something to do with it because i have to use 1.51 in order to get my mem up to 2000 and my QPI Frequency up to 4000.

    I also had trouble to get my mem to run @ 2000 9-9-9-28 until i set my QPI/VTT to 1.514. Now it running @ 2000 8-9-8-22

    My current system is now 25 passes of linX and a couple of hours of prime stable(havent tested more because i don't see the point)

    Maybe you should bump your QPI/VTT up one or two notches(which might help mem stability) and retest.
    Last edited by jonathankru; 12-29-2009 at 11:02 PM.
    Intel i7 920 D0 @ 4.2Ghz+HT 1.36V / Gigabyte EX58-UD4P / G-Skill 3x2 gig DDR 2133 PERFECT STORM / MSI 5870 1GIG / Corsair HX1000 Watt/ CM Stacker 830 /
    Cooled By: Swiftech Apogee GTZ /Swiftech MCR-320 /1/2" ID Feser Flexible PVC Tubing /Swiftech MICRO Rev2 Reservoir /Swiftech MCP655 variable/Thermalright HR-05-ifx

  10. #20
    Join Date
    Nov 2009
    Location
    Milwaukee
    Posts
    36

    Default Re: i7 Overclocking Issues with EX58-UD5

    Been testing out and slowly creeping to 4.0GHz. Im at 3.92GHz (187x21) but am having IMC/uncore issues.

    Ive been able to keep QPI/VTT voltage at stock (1.175v in BIOS) up until now. My system was stable at 3.8GHz with 1.175 GHz (2896MHz uncore, 1448MHz DRAM). Now Im at 3.92GHz. I bumped up some of the other voltages to help stabilize (IOH Core, ICH Core, QPI PLL to 1.16v).

    Uncore still seems to be unstable though. If I go up over 1.175v QPI/VTT the system freezes while running Prime95 Large FFT. If I go over that QPI/VTT voltage (either to 1.195v or 1.215v) the system just reboots during Large FFT. I havent tried voltages over that yet.
    Quote Originally Posted by Higgins
    Pro tip: don't piss off PC gamers on purpose

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