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Thread: Operation the crap out of my i7-920




  1. #1
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    Default Operation the crap out of my i7-920

    Now that my motherboard is fixed again, time to break it! Ive seen some guys run obscenely high QPIs, like well over 4GHz. Is this useful? Seems like its fast enough even at stock. How it is even possible? Just good board? I max out at 3.6, 3.65GHz might work, but with 3.7 just all kinds of weird stuff starts happening. Luckily the F13 BIOS for my EX58-UD5 fixes the QPI slow mode bug so now i have more bclk headroom. Any tips getting to 4.6GHz? :D 4.2 is stable with 1.3125V in BIOS. Not really hit terrible diminishing returns yet. IBT temps 67C. Seems like i hit a wall at 220BCLK even with QPI slow :(
    Last edited by maser; 03-05-2012 at 10:08 PM.

  2. #2
    Acebmxer's Avatar
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    Default Re: Operation the crap out of my i7-920

    How are you able to boot above 215bclk on EX58-UD5. Bclk is limited to pci-e and unless you did a hardware mod to your board it should be limited to 215bclk as pci-e is locked to 102 I believe. This is why they came out with X58A-UDx as the X58A has the hardware mod built in to unlock the bclk and pci-e.

    You should not need to use qpi slow mode till you pass 230 bclk which you will never be able to do on that board.

    Bclk/mem spd/mem timings/uncore/qpi are all based off qpi/vtt voltage.

    Also depends on the cpu how well its IMC is depends how well it will overclock.
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  3. #3
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    Default Re: Operation the crap out of my i7-920

    i7's should be caressed,lovingly!!
    Gigabyte z77x UP4-TH F11c Modded Bios
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    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!!
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  4. #4
    Acebmxer's Avatar
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    Default Re: Operation the crap out of my i7-920

    LOL. But some times I just want to get the whip out and just beat it
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
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    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
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    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
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  5. #5
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    Default Re: Operation the crap out of my i7-920

    Yes me too.

    Are you saying the board shouldnt boot 220BCLK? Ran a good 15 mins of memtest before and now about and hour of youtube. IIRC BIOS allows me to raise PCIE very high, but i worry about SATA. Cant find anything definitive out there.

    How NOT to use QPI slow? Why not? Anything above 3.6GHz QPI is really not stable. If it can be, how? I tried even 1.4V QPI/VTT before F13 BIOS, but 210BCLK was still weird. (missing lines in boot, hangs etc.)

    now running:
    http://i42.tinypic.com/23uua80.png
    Gonna start with the CPU in the morning.

  6. #6
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    Default Re: Operation the crap out of my i7-920

    Ok I was wroung on the max bclk for that board and the pci-e mod is needed. see here EX58-UD5 max bclk? and Gigabyte EX58-UD5/Extreme Discussion Thread - Page 182. But your are at that point now.

    What are you using to stress test? How is it now stable, are programs crashing, bsod?

    Grab a bios template and please give us a full complete list of your current bios settings. This way we can look over and see what could be wrong.
    Main Rig
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    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
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    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
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  7. #7
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    Default Re: Operation the crap out of my i7-920

    Ya, you can run 222-228 probably without the mod, depending on the board, CPU and other hardware, voltages used, and PCI freq used.

    But to get above that you have to do the HARD MOD << And it is HARD as those are TINY! Once you do the hard mod you might be able to get more Bclk, but to really surpass 228-230 you need to take the board to colder temps (Phase, Dice, Ln2)

    For everyday benchmarking, about the best you can hope for even with the mod is 225-23x, until you go cold. Using a PCI graphics card will help, and a IDE hard drive will also help!

    That will relive some resources off the QPI/PICE bus and allow higher PCI freq to be set due to no PCIE devices being used, and SATA hard drives (And onboard LAN) normally tend to drop out at around 120-125

    Use SetFSB, because the BIOS PCI setting may not actually be doing anything, you can verify if it is or not with SetFSB. Use ICS9LPRS918BKL Clock Gen

    When you are not using QPI Slow mode (IE x36 or above) anything under or around 4GT/s QPI should be fine and stable, once you find the right voltages. I can run 4.2-4.3GT/s QPI stable without needing a mod or QPI Slow mode on these older boards.

    It's the high Bclk itself probably causing you issues, not the QPI or uncore speeds.
    Last edited by Lsdmeasap; 03-06-2012 at 12:56 PM.

  8. #8
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    Default Re: Operation the crap out of my i7-920

    Advanced CPU Features: CPU Clock Ratio ................................ [21x]
    Intel(R) Turbo Boost Tech .................. [Enabled]
    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]
    Virtualization Technology ................... [Disabled]
    Bi-Directional PROCHOT ..................... [Disabled]

    Uncore & QPI Features:
    QPI Link Speed .............................. Slow mode
    Uncore Frequency .......................... x13, on F12 x12 was a no POST no matter what, havent tried it yes on F13
    Isonchronous Frequency ..................[Enabled]

    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) ..................... [205]
    PCI Express Frequency (MHz) ........... [101]
    C.I.A.2 [Disabled]

    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [700mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]

    Advanced DRAM Features:
    Performance Enhance ...................... [Standard]
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [6.0]
    DRAM Timing Selectable (SPD) .......... [Manual]

    Channel A + B + C Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ...................... [8]
    tRCD ....................................... [8]
    tRP ......................................... [8]
    tRAS ....................................... [24]

    Advanced Voltage Control:

    CPU
    Load Line Calibration ................. [Disabled]
    CPU Vcore ............................... [1.3500]
    QPI/VTT Voltage 1.150v ............[1.3000]
    CPU PLL 1.800v .......................[1.8800]

    MCH/ICH
    PCIE 1.500v ...........................[1.5000]
    QPI PLL 1.100v .......................[1.1000]
    IOH Core 1.100v .....................[1.1200]
    ICH I/O 1.500v .......................[1.5000]
    ICH Core 1.1v ........................[1.1000]

    DRAM
    DRAM Voltage 1.500v .............. [1.6400]
    DRAM 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]

    Below values may be left in Auto if you like, generally this is fine. Everything below are on Auto.

    4.3GHz is not stable yet :( Using the quick n dirty IBT standard for now.
    </pre>
    Last edited by maser; 03-06-2012 at 06:50 PM.

  9. #9
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    Default Re: Operation the crap out of my i7-920

    What is your actual goal here, higher CPU freq or what? Once we know we can better advise

  10. #10
    Acebmxer's Avatar
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    Default Re: Operation the crap out of my i7-920

    He is having trouble at his current overclock keeping qpi at 36x. He says he needs to use qpi slow mode at his overclock.

    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [700mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]
    First it looks like you are not using Optimized defaults. Please choose Optimized defaults and try your overclock again. Try qpi/pll 1.2-1.3v
    Last edited by Acebmxer; 03-06-2012 at 09:05 PM.
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
    Swiftech Mcres Micro Rev 2 Reservoir
    Black Ice GTX Xtreme 360 Radiator





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