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Thread: Cant Achieve a previous 3.8 ghz OC on UD5 with I7 920




  1. #1
    Join Date
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    Default Cant Achieve a previous 3.8 ghz OC on UD5 with I7 920

    I used warren300's guide http://i49.tinypic.com/5fkahs.jpg to get to 3.8ghz (thanks :)) and ran with it for two weeks with no problems. I then had to RMA my PSU and while waiting bought an Intel SSD and also a 3rd stick of RAM to bring the total to 6GB, Reinstalled everything else once i got it all delivered and thought it maybe a good idea to flash the BIOS to F11. Bad idea after this it all went down hill, i couldnt achieve a stable boot so flashed back to F10 and still cant get a stable boot any ideas why? I really need some help as its driving me crazy

    PS the comp starts but will not post at all with these setting now

    Many Thanks

    Rig Spec
    Gigabyte EX58-UD5
    I7 920
    6GB Kingston Hyper X 1600mhz PC 12800 9-9-9-27 CL9
    800w modular PSU
    Corsair H50 Push/Pull
    Last edited by Tim186; 03-26-2010 at 01:21 AM.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Cant Achieve a previous 3.8 ghz OC on UD5 with I7 920

    Well 6GB is differant than 4GB, that's likely the issue.

    Please give us your full settings you are trying using a template from my signature, then we can advise back.

  3. #3
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    Default Re: Cant Achieve a previous 3.8 ghz OC on UD5 with I7 920

    Hi thanks for your reply

    Here are my old setting that i was using to achieve the 3.8 ghz. I am content with 3.8ghz but would like to know if it is much harder to reach 4ghz

    Code:
    Advanced CPU Features:
    CPU Clock Ratio ................................ [20x]
    Intel(R) Turbo Boost Tech .................. [Enabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Enabled]
    C3/C6/C7 State Support .................... [Enabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Enabled]
    Virtualization Technology ................... [Enabled] << Disabled if you do not use Vmware or Virtual PC Programs
    Bi-Directional PROCHOT ..................... [Enabled]
     
    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency ..........................  x20
    Isonchronous Frequency ..................[Enabled]
     
    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................180
    PCI Express Frequency (MHz) ........... Auto
    C.I.A.2 [Disabled]
    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [900mV]
    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) ........ x10
    DRAM Timing Selectable (SPD) .......... [Quick]
    Channel A + B + C
    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................9
    tRCD .......................................8
    tRP .........................................8
    tRAS .......................................24
    Below values may be left in Auto if you like, generally this is fine.  For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread
    ##Channel A Advanced Timing Control##
    tRC ........................................  (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP .......................................   (tWTP Must = tWR + tWL + 4)
    tWL ........................................    (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................
    ##Channel A Misc Timing Control##
    Round Trip Latency ...................
     
    Advanced Voltage Control:
    CPU
    Load Line Calibration ................. [Disabled]
    CPU Vcore ...............................[Normal]
    QPI/VTT Voltage 1.150v ............1.30000
    CPU PLL 1.800v .......................1.80
    MCH/ICH
    PCIE 1.500v ...........................1.5
    QPI PLL 1.100v .......................1.1
    IOH Core 1.100v .....................1.1
    ICH I/O 1.500v .......................1.5
    ICH Core 1.1v ........................1.1
    DRAM
    DRAM Voltage 1.500v ..............1.64
    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]

    Here are the settings that i am using ATM, this is the predefined 3.2ghz setting i used from the Easy Tune utility

    Code:
    Advanced CPU Features:
    CPU Clock Ratio ................................ [20x]
    Intel(R) Turbo Boost Tech .................. [Enabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Enabled]
    C3/C6/C7 State Support .................... [Disabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Enabled]
    Virtualization Technology ................... [Enabled] << Disabled if you do not use Vmware or Virtual PC Programs
    Bi-Directional PROCHOT ..................... [Enabled]
     
    Uncore & QPI Features:
    QPI Link Speed .............................. Auto
    Uncore Frequency ..........................  Auto
    Isonchronous Frequency ..................[Enabled]
     
    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................160
    PCI Express Frequency (MHz) ........... Auto
    C.I.A.2 [Disabled]
    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [900mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]
     
    Advanced DRAM Features:
    Performance Enhance ...................... [Turbo]
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [AUTO]
    DRAM Timing Selectable (SPD) .......... [AUTO]
    Channel A + B + C
    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................7
    tRCD .......................................7
    tRP .........................................7
    tRAS .......................................20
    Below values may be left in Auto if you like, generally this is fine.  For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread
    ##Channel A Advanced Timing Control##
    tRC ........................................  (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP .......................................   (tWTP Must = tWR + tWL + 4)
    tWL ........................................    (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................
    ##Channel A Misc Timing Control##
    Round Trip Latency ...................
     
    Advanced Voltage Control:
    CPU
    Load Line Calibration ................. [Disabled]
    CPU Vcore ...............................1.26250
    QPI/VTT Voltage 1.150v ............1.175
    CPU PLL 1.800v .......................1.80
    MCH/ICH
    PCIE 1.500v ...........................1.5
    QPI PLL 1.100v .......................1.1
    IOH Core 1.100v .....................1.1
    ICH I/O 1.500v .......................1.5
    ICH Core 1.1v ........................1.1
    DRAM
    DRAM Voltage 1.500v ..............1.5
    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]

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Cant Achieve a previous 3.8 ghz OC on UD5 with I7 920

    4Ghz should be easy if your cooler can keep up. For now I will help you get back to 3.8 with 6GB, please either set these settings from 3.2 with all 6GB in or set these with only 4GB in save and apply, go to windows and shut down then put in the remaining memory.

    Code:
    Advanced CPU Features:
    CPU Clock Ratio ................................ [20x] 3.78
    Intel(R) Turbo Boost Tech .................. [Enabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Enabled]  << Disabled
    C3/C6/C7 State Support .................... [Enabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Enabled]  << Disabled
    Virtualization Technology ................... [Enabled] << Disabled if you do not use Vmware or Virtual PC Programs *
    Bi-Directional PROCHOT ..................... [Enabled]
     
    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency ..........................  x20-22 (21-22 may be better for you, try them out)
    Isonchronous Frequency ..................[Enabled]
     
    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................180
    PCI Express Frequency (MHz) ........... Auto  << 100
    C.I.A.2 [Disabled]
    
    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [900mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]
     
    Advanced DRAM Features:
    Performance Enhance ...................... [Standard]  << Turbo or Extreme could help, sometimes in X58, unlike older gen, standard can be more problematic
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ x10
    DRAM Timing Selectable (SPD) .......... [Quick]  << Expert, set each channels main timings one by one
    
    Channel A + B + C
    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................9
    tRCD .......................................9
    tRP .........................................9
    tRAS .......................................27  
    
    ^^ Lets us the memory spec for now ^^
    
    All below Auto
    
    ##Channel A Advanced Timing Control##
    tRC ........................................  (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP .......................................   (tWTP Must = tWR + tWL + 4)
    tWL ........................................    (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................  << Set 1T
    ##Channel A Misc Timing Control##
    Round Trip Latency ...................
     
    Advanced Voltage Control:
    CPU
    Load Line Calibration ................. [Disabled]
    CPU Vcore ...............................[Normal]  << You are going to need to find and set your own voltage here, around 1.25-1.4 should be good for 3.8.  Normal is not going to work, and Auto is not advised
    QPI/VTT Voltage 1.150v ............1.3-1.425
    CPU PLL 1.800v .......................1.80-1.84
    
    MCH/ICH
    PCIE 1.500v ...........................1.5
    QPI PLL 1.100v .......................1.18-1.24
    IOH Core 1.100v .....................1.1-1.24 (Some boards need 1.2-1.24 for an overclock, others do not.   I use 1.24 myself for 4-4.2Ghz
    ICH I/O 1.500v .......................1.5
    ICH Core 1.1v ........................1.14-1.2
    
    DRAM
    DRAM Voltage 1.500v ..............1.66
    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]

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