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Thread: Gigabyte GA-EP45-UD3P - Help With OC Please




  1. #1
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    Default Gigabyte GA-EP45-UD3P - Help With OC Please

    fixed
    Last edited by Chigurh; 04-30-2010 at 09:39 AM.

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    Default Re: Gigabyte GA-EP45-UD3P - Help With OC Please

    fixed
    Last edited by Chigurh; 04-30-2010 at 09:39 AM.

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    Default Re: Gigabyte GA-EP45-UD3P - Help With OC Please

    Any Ideas guys?

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    Chike is offline Senior Member
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    Default Re: Gigabyte GA-EP45-UD3P - Help With OC Please

    As for the mempry (post #2).
    MCH Core may be too low, try 1.2-1.26v
    If it's specs 2.2-2.4v try increasing DRAM Voltage up to 2.4v
    if memory multiplier 2.66D doesn't work try 2.66C, 2.40B, 2.50A.
    Try Driving Strength 800/1066/1200 for both channels.
    Set both channels Static tRead Value 10, lower it later.
    CPU Termination seems OK but you may try 1.22-1.24v.

    No need for so many runs of IBT but set to max stress level, 10-20 runs.
    Run Prime95/Orthos blend torture for 8+ hours, it might find problems that are not found with IBT.

    Please fill your forum signature with your system specs, and link to ram specs if possible.

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    Chike is offline Senior Member
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    Default Re: Gigabyte GA-EP45-UD3P - Help With OC Please

    I would explorer CPU/MCH Reference options to lower VTT, usually recommended to be kept lower than Vcore.
    http://forums.tweaktown.com/f69/how-...asytune-29746/
    MCH Core a bit high too. Make sure you have sufficient airflow around the NB. How are core temps?
    Static tRead Value has major effect on memory performance (lower is better), check it's actual applied value with MemSet.

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    Chike is offline Senior Member
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    Default Re: Gigabyte GA-EP45-UD3P - Help With OC Please

    64c for IBT with 4GHz are cool, GFlops look good too.
    tRFC 62 is just scale up from 52@400MHz that match 475Mhz (475/400x52=~62), you may try to lower it if you wish and if there's performance gain doing it, 46-56 are likely to be possible at this frequency.
    Note that in MemSet Performence Level(Static tRead Value in BIOS, a.k.a tRD) is 0. This have most significant effect on performance. Try setting it to the lowest value possible (that is not zero), 9 or 10 should be possible. Like with everything else tweaked it's best to run some benchmarks not go by the numbers in BIOS alone. Everest has built in memory benchmark, or you can use MaxxMEM² - PreView
    Have you ran Prime95/Orhtos/OCCT as well? IBT alone may not be sufficient for stability test.

  7. #7
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    Lightbulb Re: Gigabyte GA-EP45-UD3P - Help With OC Please

    Here's my setup if it helps you:

    Code:
    ******************************
    MB Intelligent Tweaker(M.I.T.)
    ******************************
    Robust Graphics Booster ..............: [Turbo]
    CPU Clock Ratio ......................: [8X]
    x Fine CPU Clock Ratio................: +0.0
    CPU Frequency ........................: 4.30GHz (538x8.0)
    
    ********** Clock Chip Control ********
    
    >>>>>  Standard Clock Control
    CPU Host Clock Control................: [Enabled]
    x CPU Host Frequency(Mhz).............: [538]
    PCI Express Frequency(Mhz)............: [100]
    C.I.A.2...............................: [Disabled]
    
    >>>>> Advanced Clock Control..........: [Press Enter]
    CPU Clock Drive.......................: [800mV]
    PCI Express Clock Drive...............: [900mV]
    CPU Clock Skew........................: [0ps]
    MCH Clock Skew........................: [0ps]
    
    ******** DRAM Performance Control ********
    
    Performance Enhance...................: [Standard]
    Extreme Memory Profile(X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch................: [Auto]
    System Memory Multiplier (SPD)........: [2.00D]
    Memory Frequency(Mhz).....800.........: (1066)
    DRAM Timing Selectable (SPD)..........: [Manual]
    
    >>>>> Standard Timing Control
    x CAS Latency Time................5...: [5]
    x tRCD ...........................5...: [5]
    x tRP.............................5...: [5]
    x tRAS...........................18...: [15]
    
    >>>>> Advanced Timing Control.........: [Press Enter]
    x tRRD............................3...: Auto
    x tWTR............................3...: Auto
    x tWR.............................6...: Auto
    x tRFC...........................52...: [54]
    x tRTP............................3...: Auto
    x Command Rate (CMD) .............0...: Auto
    
    >>>>> Channel A Timing Settings.......: [Press Enter]
    x Static tRead Value..............11..: [10]
    x tRD Phase0 Adjustment...........0...: Auto
    x tRD Phase1 Adjustment...........0...: Auto
    x tRD Phase2 Adjustment ..........0...: Auto
    x tRD Phase3 Adjustment...........0...: Auto
    
    x Trd2rd(Different Rank)..........6...: Auto
    x Twr2wr(Different Rank)..........6...: Auto
    x Twr2rd(Different Rank)..........5...: Auto
    x Trd2wr(Same/Diff Rank)..........8...: Auto
    
    x DIMM1 Clock Skew Control (ps).......: Auto
    x DIMM2 Clock Skew Control (ps).......: Auto
    x DDR Write Training..................: Auto
    
    >>>>> Channel A Driving Settings......: [Press Enter]
    x Driving Strength Profile............: [1066]
    
    x Data Driving Pull-Up Level..........: Auto
    x Cmd Driving Pull-Up level...........: Auto
    x Ctrl Driving Pull-Up Level..........: Auto
    x Clk Driving Pull-Up Level...........: Auto
    
    x Data Driving Pull-Down Level........: Auto
    x Cmd Driving Pull-Down level.........: Auto
    x Ctrl Driving Pull-Down Level........: Auto
    x Clk Driving Pull-Down Level.........: Auto
    
    >>>>> Channel B Timing Settings.......: [Press Enter]
    x Static tRead Value..............11..: [10]
    x tRD Phase0 Adjustment...........0...: Auto
    x tRD Phase1 Adjustment...........0...: Auto
    x tRD Phase2 Adjustment ..........0...: Auto
    x tRD Phase3 Adjustment...........0...: Auto
    
    x Trd2rd(Different Rank)..........6...: Auto
    x Twr2wr(Different Rank)..........6...: Auto
    x Twr2rd(Different Rank)..........5...: Auto
    x Trd2wr(Same/Diff Rank)..........8...: Auto
    
    x DIMM1 Clock Skew Control (ps).......: Auto
    x DIMM2 Clock Skew Control (ps).......: Auto
    x DDR Write Training..................: Auto
    
    >>>>> Channel B Driving Settings......: [Press Enter]
    x Driving Strength Profile............: [1066]
    
    x Data Driving Pull-Up Level..........: Auto
    x Cmd Driving Pull-Up level...........: Auto
    x Ctrl Driving Pull-Up Level..........: Auto
    x Clk Driving Pull-Up Level...........: Auto
    
    x Data Driving Pull-Down Level........: Auto
    x Cmd Driving Pull-Down level.........: Auto
    x Ctrl Driving Pull-Down Level........: Auto
    x Clk Driving Pull-Down Level.........: Auto
    
    ****** Motherboard Voltage Control ******
    
    Voltage Types..........Normal...........Current
    -----------------------------------------------
    >>> CPU
    Load-Line Calibration.................: [Enabled]
    CPU Vcore..............1.25000V.......: [1.37500V]
    CPU Termination........1.200V.........: [1.280V]
    CPU PLL................1.500V.........: [1.590V]
    CPU Reference..........0.760V.........: [0.760V] (When CPU Term is @ 1.2 this is @ .760)
    >>> MCH/ICH
    MCH Core...............1.100V.........: [1.320V]
    MCH Reference..........0.760V.........: [0.700V] (When CPU Term is @ 1.2 this is @ .700)
    MCH/DRAM Reference.....0.900V.........: [Auto]
    ICH I/O................1.500V.........: [1.570]
    ICH Core...............1.100V.........: [1.200]
    >>> DRAM
    DRAM Voltage...........1.800V.........: [2.040]
    DRAM Termination.......0.900V.........: [Auto]
    Channel A Reference....0.900V.........: [Auto]
    Channel B Reference....0.900V.........: [Auto]
    
    ******** Advanced BIOS Features ********
    Hard Disk Boot Priority...............: [Press Enter]
    First Boot Device.....................: [CDROM]
    Second Boot Device....................: [USB-CDROM]
    Third Boot Device.....................: [Hard Disk]
    Password Check........................: [Setup]
    HDD S.M.A.R.T. Capability.............: [Enabled]
    Limit CPUID Max. to 3.................: [Disabled]
    No-Execute Memory Protect.............: [Enabled]
    CPU Enhanced Halt (C1E)...............: [Disabled]
    C2/C2E State Support..................: [Disabled]
    x C4/C4E State Support................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.....................: [Disabled]
    Virtualization Technology.............: [Disabled]
    Delay For HDD (Secs)..................: [0]
    Full Screen LOGO Show.................: [Disabled]
    Init Display First....................: [PEG]
    
    ******** Integrated Peripherals ********
    USB Keyboard Function.................: [Enabled]
    USB Mouse Function....................: [Enabled]
    USB Storage Function..................: [Enabled]
    The only changes if I use 4.0 and not 4.3 is CPU Vcore down to 1.36250 and these setups both seem to be stable for me.

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