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Thread: EP45-UD3P / Q9650 4.0 OC if possible???




  1. #41
    kick's Avatar
    kick is offline Senior Member
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    Default Re: EP45-UD3P / Q9650 4.0 OC if possible???

    I dont know who "kermit" is that was referred to by another posterbut having checked posts in these boards with c2q cpus for a long time,u cant say "x setting will work for everyone",but u do seem to have a good selection of components.
    Once again tho do not expect to exceed the bandwidth figures of the chipset and use input from people who run a system as close to your own as possible .get your max fsb overclock stable,even if you have to gimp the memory badly,just so you can find the max cpu overclock.that will mean using either the 2:00B or 2:00D multiplier.
    Get to 470-480 cpu ref at least even if you have to turn the cpu multiplier down a bit .Check out posts by "Conners"on his q9550,they arent recent but there is plenty of experimentation there and results and the board and cpu are close enough to you own.
    Last edited by kick; 05-01-2010 at 08:50 AM.
    Current Systems:

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  2. #42
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    Default Re: EP45-UD3P / Q9650 4.0 OC if possible???

    Chike, I applied your suggestions in Post #36 and ran 12hrs. Prime95 Blend. Yes, with the 1066 RAM!!! I'm not sure what worked - I'm happy with the results. If you want me to keep tweaking on it I will??? I don't think I'll ever get to 4.0GHz using this RAM which was my goal to begin with. Anyway, NEW RAM : I remember awhile back - you said 4.08GHz - 480 FSB
    That's where I'd like to take my new RAM to. I'll keep things as they are until I hear back from you. Thanks
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  3. #43
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    Default Re: EP45-UD3P / Q9650 4.0 OC if possible???

    Chike, I installed my new RAM. I read the the thread where Conners was OCing his Q9550. I got a few ideas where I'm wanting to take my 4.0 GHz OC. To keep it simple as possible I decided to run 500 FSB with 8 multi. I ran Prime95 Blend - core temps were 61c 59c 57c 57c - system temp never got off 33c. System shut down and rebooted after 14K FFT (no errors) 1hr. 33min.??? 640K may have been the problem - It seems like it's the problem 75% of the time. Anyway, can I get you to look at my BIOS settings and see if I'm on the right track. I don't believe my settings are to far off because it seems to run better than 3.82GHz settings. Thanks
    EP45-UD3P 1.6 FE
    Intel Q9650
    G.Skill 9600 4x2GB 8GB's


    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster................:Fast
    CPU Clock Ratio........................:8
    Fine CPU Clock Ratio...................:.0
    CPU Frequency..........................:4.0GHz (500x8)

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control.................:Enabled
    CPU Host Frequency (Mhz)...............:500
    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)....................:0 ps
    MCH Clock Skew (ps)....................:50 ps

    DRAM Performance Control
    Performance Enhance....................:STANDARD
    Extreme Memory Profile (X.M.P.)........:Disabled
    (G)MCH Frequency Latch.................:Auto
    System Memory Multiplier...............:2.40B
    Memory Frequency (Mhz)........1066.....:1200
    DRAM Timing Selectable.................:Manual

    Standard Timing Control
    CAS Latency Time......................5:6
    tRCD..................................7:6
    tRP'..................................7:6
    tRAS.................................20:18

    Advanced Timing Control
    tRRD..................................4:5
    tWTR..................................4:6
    tWR...................................8:8
    tRFC.................................68:78
    tRTP..................................4:6
    Command Rate (CMD)....................2:2

    Driving Strength Profiles
    Driving Strength.......................:1200

    Channel A
    Static tRead Value....................9:10
    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

    Channel B
    Static tRead Value....................9:10
    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

    Motherboard Voltage Control

    CPU
    Load-Line Calibration..................:Enabled
    CPU Vcore...............1.250v.........:1.38125 (1.36)
    CPU Termination.........1.200V*........:1.36
    CPU PLL.................1.500V*........:1.59
    CPU Referen.............0.760V*........:.760(vtt 1.20)=.861(vtt 1.36v)
    CPU Reference2..........0.800V*........:Don't have

    MCH/ICH
    MCH Core...............1.100V..........:1.34
    MCH Reference..........0.760V..........:.800(vtt 1.20v)=.901(vtt 1.36v)
    MCH/DRAM Ref...........0.900V..........:Auto
    ICH I/O................1.500V..........:1.500
    ICH Core...............1.100V..........:1.100

    DRAM
    DRAM Voltage...........1.800V..........:2.12
    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...................:[Disabled]
    x C4/C4E State Support.................:[Disabled]
    CPU Thermal Monitor 2(TM2).............:[Enabled]
    CPU EIST Function......................:[Disabled]
    Virtualization Technology..............:[Disabled]

    Integrated Peripherals
    Legacy USB Storage Detect..............:[Disabled]
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  4. #44
    Chike is offline Senior Member
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    Default Re: EP45-UD3P / Q9650 4.0 OC if possible???

    Have you ran small and large FFT?
    I assume it is not the ram because the timings are more relaxed than it's specs.
    Yes it seems you are pretty close, try to play with the references and the skews 0-150ps on each, maybe one notch up MCH Core and/or VTT.
    Nice memory, likely to get better when you wil tighten the timings.

    If it is the memory after all maybe DIMMs clock skews need to be tweaked, I don't know from what ram clock they may be needed. Try to search the web about it.

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