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Thread: Help me improve/optimize my EP45-UD3P and Q9550




  1. #41
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    Na, looks like Vcore only really to me. Even at 1.5V your chip will long outlast your desire to keep it, or buy a new one because that one is old. As long as temps remain good you are fine.

    Well 74C eh, prime95 or OCCT? Keep in mind, you computer is hardly ever under a full load, if ever at atl, except when you are stress testing.

    Ahh those are linkpack temps, that is fine and expected then, you are good to go till 80C or so in Linpack. I was just running LinX the other day at 87C for quite a while, sure that is hot but nothing to worry about unless you run it that way full blast for days or something.

    If you are worried/scared of Vcore then you may want to stop there until you have a better cooler, but that is about normal for Linpack temps at your speed/voltages.

    I'd keep going, but that's me. If anything I would push it until I got it there just so I could know how much Vcore is actually need to be semi-stable, you don't have to linpack it to know what it will take to get you there.

  2. #42
    Chike is offline Senior Member
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    74c on the NB??? Is it's HS hot to touch? What is your current CPU cooling?
    If you run Prime95 it will be easier to tell, an hour small FFT, and then blend, if small FFT fail it may be vcore if large then memory/NB/bus related.
    Most OCs I can remember did not need that much vcore with LLC enabled.

  3. #43
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    He means CPU Cores, at least that is what I thought anyway.

  4. #44
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    Actually you're both right. I saw 74C on the NB and on one of the CPU Cores. I'm hoping I can drop the NB voltage down a pinch or two after I get a little higher FSB. I'll bump up the VCore later today and see what it does. I'm not too worried about temps since at 3.6GHz+, it will probably be a while before I see 100% usage on all the cores in daily tasks.

  5. #45
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    I'm now at 1.3875v in the bios for vcore and it's a half hour into the Linpack test and no freezing or errors. 1.375v froze up. I know chips vary and there's so many settings but this guy on overclockers.com has in his sig: "Intel Q9550 @ 3.83, 1.28 vcore" That's the clock I'm at right now with 1.3875v. The 1.3875 is what it's set to in the BIOS, CPU-Z reads it as 1.360v. If this passes the hour in Linpack, I'll post the template.

  6. #46
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    Bah, it spit an error in the last 5 minutes of the test. I don't want any more vcore so I'm going to try and play with the references and see if I can actually get it stable. Here's what I used when it failed in the last 5 minutes:
    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................: .0
    CPU Frequency ...........................: 3.84GHz
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: 480Mhz
    PCI Express Frequency (Mhz) .........: 100
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800
    PCI Express Clock Drive.................: 900
    CPU Clock Skew (ps)....................:
    MCH Clock Skew (ps)...................:
    
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: Auto
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 960
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................18
    
    Advanced Timing Control
    tRRD...........................................5
    tWTR..........................................8
    tWR............................................10
    tRFC...........................................72
    tRTP...........................................5
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ............................1066
    
    Channel A
    Static tRead Value.........................:9
     tRD Phase0 Adjustment...................:Auto <<< Leave for all below as well
    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
    
    Channel B
    Static tRead Value.........................:9
     tRD Phase0 Adjustment...................:Auto <<< Leave for all below as well
    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
    
    Motherboard Voltage Control
    
    Load Line Calibration.................: Enabled
    CPU
    CPU Vcore….……….........................: 1.3875v (1.36v in CPU-Z depending on load)
    CPU Termination…..... 1.200V*.......: 1.34v
    CPU PLL…………………....1.500V*.......: 1.57v
    CPU Referen.…………....0.755V*.......: Auto
    CPU Reference2………,,0.800V*.......: Don't have in the BIOS
    
    MCH/ICH
    MCH Core…………….....1.100V...........: 1.32
    MCH Reference….…….0.760V...........; Auto
    MCH/DRAM Ref.…......0.900V...........: Auto
    ICH I/O……………….....1.500V............: 1.5v
    ICH Core…………...……1.100V............:1.2v
    
    DRAM
    DRAM Voltage ……....1.800V............: 2.1v
    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)................: [Enabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Enabled]
    Virtualization Technology................: [Enabled] Enabled if you use Vmware/Virtual PC
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled] *Note* Must be enabled to flash from USB

  7. #47
    Chike is offline Senior Member
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    High VTT have some negative effects, one can be the need for more vcore or VTT.
    The alternative is using lower VTT and tweaking MCH/CPU Reference.
    For 3.84GHz you may set PLL one step higher.

  8. #48
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    Yea, I just read that about VTT lol. I bumped up the CPU Ref one and now I'm testing. If the bump up makes no difference what should I do next?

    Revert CPU ref to default and try a bump in PLL?
    Kick CPU ref 1 below default?

    Once I get it stable, I'll lower VTT and then try to lower vcore.

  9. #49
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    Ok well the bump up in CPU ref failed sooner in Linpack than stock CPU ref. Where to now?

    Also, why can't I use EasyTune for voltages? Whenever I "set" something, the whole computer freezes.

  10. #50
    Chike is offline Senior Member
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    Default Re: Help me improve/optimize my EP45-UD3P and Q9550

    For me EasyTune voltages work, but smart freez. Try and get the latest version if it's not what you have already.
    VTT is tied to the reference voltages and MPU Reference/vcore, so lowering later may require additional adjustments.
    Try running Prime95 blend instead Linpack, the FFT size may indicate where the problem is.

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