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Thread: GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please




  1. #1
    Join Date
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    Default GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please

    Hi All
    Can I first say what a great forum this is, everyone is most helpfull and after reading many posts I've managed to get my PC overclocked to 3.6Ghz. This is my first real attempt at overclocking, I've only dabbled with it before.
    My new system is
    GA-P45-UD3R
    Corsair Dominator Twin2X4096-8500C5DF 5-5-5-15
    C2Q 9550 with Noctua NH-U12P cooling.
    I am currently running at 3.6 Ghz with the following settings in F4 BIOS but I would be grateful im anyone could suggest any improvements. Also I understand that stable system at 4.0 Ghz is not impossible with this processor so could anybody suggest the settings to get to 3.8 - 4.0 Ghz

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............:Fast
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................:.0.5
    CPU Frequency ...........................: 3.60 Ghz (424x8.5)
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 402Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    C.I.A.2 .................................:[Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800
    PCI Express Clock Drive.................: 900
    CPU Clock Skew (ps)....................: 50
    MCH Clock Skew (ps)...................: 100

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [333] - Would 400 be better?
    System Memory Multiplier ..............: 2.40B
    Memory Frequency (Mhz) ..............: 1018Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15

    Advanced Timing Control
    tRRD...........................................6
    tWTR..........................................9
    tWR............................................7
    tRFC...........................................62
    tRTP...........................................6
    Command Rate (CMD) ....................:2
    Driving Strength Profiles
    Driving Strength ............................1066

    Channel A
    Static tRead Value.........................:9
    tRD Phase0 Adjustment...................: Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto ps
    Dimm2 Clock Skew Control...............:Auto ps
    DDR Write Training ....................:Auto

    Channel B
    Static tRead Value.........................:9
    tRD Phase0 Adjustment...................: Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto ps
    Dimm2 Clock Skew Control...............:Auto ps
    DDR Write Training ....................:Auto

    Motherboard Voltage Control
    Voltage Type.………... Manual
    Load-Line Calibration ... Disabled
    CPU
    CPU Vcore….……….........................: 1.30
    CPU Termination…..... 1.200V*.......: 1.28
    CPU PLL…………………....1.500V*.......: 1.50
    CPU Referen.…………....0.755V*.......: 0.78
    CPU Reference2………,,0.800V*.......: (Not in my BIOS )

    MCH/ICH
    MCH Core…………….....1.100V...........: 1.28
    MCH Reference….…….0.800V...........; Auto
    MCH/DRAM Ref.…......0.900V...........: Auto
    ICH I/O……………….....1.550V............: Auto
    ICH Core…………...……1.100V............: Auto

    DRAM
    DRAM Voltage ……....1.800V............: 2.1
    DRAM Termination .…0.900V............: Auto
    Channel A Reference 0.900V............: Auto
    Channel B Reference 0.900V............: Auto
    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: (Not in my BIOS )
    x C4/C4E State Support..................: (Not in my BIOS )
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled

    Thanks
    Phil

  2. #2

    Default Re: GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please

    read my post ... my motherboard almost like your

    http://forums.tweaktown.com/f69/ga-e...500c5df-28410/

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please

    Try this for 3.8 >>>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............:Fast
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................:.0.5
    CPU Frequency ...........................: 3.825 Ghz (450x8.5)
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    C.I.A.2 .................................:[Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800
    PCI Express Clock Drive.................: 900
    CPU Clock Skew (ps)....................: 0-150
    MCH Clock Skew (ps)...................: 0-100-250

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [333] - Would 400 be better? Yes it will for sure be more stable, but you will have to downclock your ram or way overclock it as there is only 2.00 and 2.66, and 3.33 multi on that strap. But if you do underclock your ram you can use tighter main timings

    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 900Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................4/5
    tRP'...........................................4/5
    tRAS..........................................12/15

    Advanced Timing Control
    tRRD...........................................3-5
    tWTR..........................................3-6
    tWR............................................4-6
    tRFC...........................................52-62
    tRTP...........................................3-5
    Command Rate (CMD) ....................:2
    Driving Strength Profiles
    Driving Strength ............................1066

    Channel A
    Static tRead Value.........................:9
    tRD Phase0 Adjustment...................: Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto ps
    Dimm2 Clock Skew Control...............:Auto ps
    DDR Write Training ....................:Auto

    Channel B
    Static tRead Value.........................:9
    tRD Phase0 Adjustment...................: Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto ps
    Dimm2 Clock Skew Control...............:Auto ps
    DDR Write Training ....................:Auto

    Motherboard Voltage Control
    Voltage Type.………... Manual
    Load-Line Calibration ... Disabled
    CPU
    CPU Vcore….……….........................: 1.30 << More will likely be needed, what do you get actual for this check with CPU-z

    CPU Termination…..... 1.200V*.......: 1.28-1.38
    CPU PLL…………………....1.500V*.......: 1.50
    CPU Referen.…………....0.755V*.......: Auto


    MCH/ICH
    MCH Core…………….....1.100V...........: 1.24-1.3
    MCH Reference….…….0.800V...........; Auto
    MCH/DRAM Ref.…......0.900V...........: Auto
    ICH I/O……………….....1.550V............: 1.55-1.6
    ICH Core…………...……1.100V............: 1.1-1.2

    DRAM
    DRAM Voltage ……....1.800V............: 2.0-2.1
    DRAM Termination .…0.900V............: Auto
    Channel A Reference 0.900V............: Auto
    Channel B Reference 0.900V............: Auto

  4. #4
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    Default Re: GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please

    Thanks for your posts.

    Godto- Sorry I missed you post, wonder how I managed that! Going to study it now to see if it can help me out.
    Lsdmeasap - Tried your suggested settings but its a no go I'm afraid it just keeps rebooting at the POST check. I set all the voltages to the top end of your suggestions but had to set the CPU Vcore to 1.36 to get CPUZ to show 1.328. I've gone back to 3.60 for the CPU and reverted the voltages to what I had before except the CPU Vcore which I'll set at CPUZ 1.30 or thereabouts but left the memory timming as your suggested settings.
    I'll look at Godto's post and see if it helps.
    Thanks to both of you
    Phil

  5. #5

    Default Re: GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please

    hehehe .. you will see my big big learning curve .. and hope that will help you out. ... i'm still in progress of learning and tweaking ... try many many different setting

  6. #6
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please

    Sounds like you may have just needed more cpu voltage and or vtt. If you still do not get it and keep trying please post what exact full settings you use that fail and I will see if I can help

  7. #7
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    Default Re: GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please

    Been following Godto's post (and learning curve) and your advice to him very closely. Seems the CPU Vcore was too low now running at 1.38125 BIOS 1.34 CPUZ. Need to test now for stability.

    What temperatures would you say were the max safe temps for long term use?

    Thanks to you both
    Phil

  8. #8
    Lsdmeasap's Avatar
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    Default Re: GA-P45-UD3R, Corsair Dominator Twin2X4096-8500C5DF Overclock Advice please

    Keep it under 70C at full load and you will be fine

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