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Thread: Need Advice with OC GA EP45 DS4 and E7300




  1. #1
    Join Date
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    Default Need Advice with OC GA EP45 DS4 and E7300

    Hi all
    Just went from a Asus P5Q mobo and this CPU combo at 25 % OC and need to see if I can get a decent OC happening with this board, sadly I don't know where to start with this feature rich board. Best I ask for help rather than fry something experimenting.

    I'm running a thermaltake V9 case with lots of fans, 850W PSU, new Patriot Viper DDR2 Low Latency memory (4 Gb (2x2GB) PC2-8500 1066MHz) stock air cooler; video card is a single GB HD4850 - Using latest F9 bios

    With the old board all I did to get it running at 3.35 Mhz (Stable) from stock 2.66 was to set the multiplier at 10x and raise clock to 335. If I try that on this board no go can't even get 2.80 by using same method.

    Can anyone with same cpu/board combo give me the correct settings needed for stable 3.3 or better? This board has more settings than I know how to use :) or really understand.

    Thanks in advance
    ShannonN

  2. #2
    Chike is offline Senior Member
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    Test your system for stability at default clock first to determine the basic settings needed for your memory.
    Load optimized defaults first, than reapply any changes needed.
    Run several passes of memtest86+, and then OCCT large data set or Prime95/Orthos blend test fro several hours.
    Report back with your current settings using the template in this post or the one below, stable or not.

    Fill your signature with your system specs, including a link to your ram specs (manufacturer web page preffered).

    Depending on your chip, it should be able to clock it to 3.6GHz and above.

  3. #3
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    Personally as the RAM is brand new I would assume it to be good until any problems occur, and then test with Memtest86+ if needed.

    A link to your RAM with the exact specs would be very useful. In fact if you fill out your signiture with your PC specs as seen in mine and Chikes it makes it much easier to help. Although you include them in your first post, it means scrolling up each time to refer to them. this is even more awkward after you get to pase 2 of the thread.

    Your method of setting the FSB progressively higher is correct, but you must also adjust a few RAM values to firstly keep the modules running at or under DDR-1066 and to keep PL (Static tRead ) at a value that can be handled at the new FSB.

    First, set DRAM Timings Selectable to [Manual] and enter the correct primary timings for your RAM. I'm guessing this is 5-5-5-15/18. Now set (G)MCH Strap to auto. After setting the desired FSB speed for the clock you want, go to the System Memory Multiplier setting and select a multiplier (ideally one ending with B or D) that brings your RAM at or under its rated speed.

    Look in the Advanced Memory Settings for a value called Static tRead, referred to by ASUS as Performance level. Lower numbers for this, like RAM timings, are "faster" but you need the correct value to be able to boot/be stable. I would set this to 10 for now to be 110% sure it's not the limiting factor. Changing this down one value at a time later will improve over all system performance. tRead values vary with FSB, RAM strap and voltages. For example I need tRead=9 at 2.00D, 400FSB and DDR-800 but can happily run tRead=7 at 2.66D, 400 FSB and DDR-1066.

    After setting the RAM correctly it becomes a matter of giving everything enough voltage to run at your chosen clock speed. As you have 4Gb of DDR-1066, I'd recommend you set at least 1.2V for MCH core. Also take CPU Termination and PLL off auto and set them to their stock values of 1.2V for CPU Term and 1.5V for PLL. Also at this stage, verify that PCIe frequency is set to 100 and not on auto. If on auto it may scale with FSB increases. Locking it to 100 will keep it at the ideal speed and stop any PCIe related crashes/BSOD's.

    All that must be done now is to determine how much Vcore, CPU Termination and PLL are needed to get the clock speed you want. I wouldn't go over 1.61V for PLL or 1.4V for CPU termination personally. The range of CPU term available, ie 0.2V in 0.02V increments should be plenty to get at least your old OC going.

    You can either (if CPU cooling is good) set 1.3625V Vcore and then tune downward when stable and at the speed you want, or set a reasonable 1.3V and possibly have to tune it upwards. Adjusting CPU termination should be done together with Vcore. For example if a clock speed fails Prime95 at what seems like plently of Vcore, alter CPU term upward step by step, repeating tests at each stage.

    The instability you describe sounds 100% like incorrct RAM settings. With these set right and carefu Voltage adjustments, you should easily beat your old OC.
    Coolermaster CM 690 II advance Case
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  4. #4
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    Hi Guys
    I do appreciate your helpful advise, while I used to be a a+ certified tech, technology has increased since I left the industry and I'm rather new to overclocking and all the nuances.

    I have run the system for a few hrs using OCCT both CPU OCCT and CPU Linpack without errors or extreme temps both cores stable at 60c max in Linpack which was the higher test ( 54c in OCCT) Here's the bios settings you requested ( attached)
    Last edited by ShannonN; 09-06-2009 at 10:52 AM. Reason: added stuff
    GA- EP45-DS4 Rev #: 1.0
    Intel Core 2 Duo E7300 (M0) 3.66GHz. 1.325v
    Patriot PC2-8500 4GB (2 X2GB) DDR2 1066 5-5-5-18
    Gigabyte HD4850 1GB DDR3
    DVICO DUAL T-Pro
    Shaw 850- 850W
    ASUS VK222H HDMI @ 1680x1050
    Win 7 RC 32 bit
    [SIGPIC][/SIGPIC]


  5. #5
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    It seems the Patriot memory site is crashed, therefore the link to the review of the memory I have sorry :(

    I include a screenie of everest cpuid results for my cpu, CPU-z shows my ram timings as different to my bios settings (See Sig)

    Cheers Shannon
    GA- EP45-DS4 Rev #: 1.0
    Intel Core 2 Duo E7300 (M0) 3.66GHz. 1.325v
    Patriot PC2-8500 4GB (2 X2GB) DDR2 1066 5-5-5-18
    Gigabyte HD4850 1GB DDR3
    DVICO DUAL T-Pro
    Shaw 850- 850W
    ASUS VK222H HDMI @ 1680x1050
    Win 7 RC 32 bit
    [SIGPIC][/SIGPIC]


  6. #6
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    Unless Patriot are putting out odd timings on their RAM it sounds like you're running your timings on auto. Check the sticker on the side. If they're meant to run at 5-5-5-15 then set them that way. My initial post should then contain all the information you need to at least get your original over lock.

    As I said in that post, from your settings you have System Memory Multiplier on auto. this means that as you up the FSB, your RAM is being over clocked way above what it can handle.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  7. #7
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    Hi Psycho101
    Currently have the system O/C'd to 3.66 Ghz apparently stable (that is currently running Prime Blend tests while watching HD TV on the system and doing the odd task without crash). Temps are higher than I want (74c @100 %) up 14 c from stock, 44c idle up 8c from stock.

    So I'll throttle back to 3.4Ghz; rip off the fan tomorrow and remove the old thermal tape and drop some thermal paste on and see what it does.
    If that doesn't do much I'll add a better fan and see what happens when I go back up to 3.66GHz.

    Final Bios settings are

    CPU Clock 10x
    CPU Freq 366
    CPU VCORE: 1.32500v
    CPU TERM: 1.260V
    CPU PLL: 1.500V
    MCH CORE: 1.220V
    SYSTEM MEMORY MULTIPLIER: 3.33D

    I think there is more there, but I'm happy if I can get the temps down with better cooling and maintain the 1 Ghz OC and stability.

    Thanks for all the expert advice
    Shannon
    GA- EP45-DS4 Rev #: 1.0
    Intel Core 2 Duo E7300 (M0) 3.66GHz. 1.325v
    Patriot PC2-8500 4GB (2 X2GB) DDR2 1066 5-5-5-18
    Gigabyte HD4850 1GB DDR3
    DVICO DUAL T-Pro
    Shaw 850- 850W
    ASUS VK222H HDMI @ 1680x1050
    Win 7 RC 32 bit
    [SIGPIC][/SIGPIC]


  8. #8
    Chike is offline Senior Member
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    Please post your settings inline and not as attechment, prefferably between code tags, [CODE] [/CODE], either type them manually (case doesn't matter) or click the # icon in post editor toolbar and paste the settings between them.

    Running DDR-1066 with 1.8v vDIMM and 1.1v MCH Core, not very common.
    Could you post s screen capture of MemSet main and spd(click spd) windows?

    Temps will probably oncrease, what do you use for CPU cooling and how is case vantilation?

  9. #9
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    Hi Chike
    I have a new case Thermaltake V9, it has big front fan blowing over drive bays, Huge fan at top sucking hot air out and normal fan at rear
    Thermaltakeusa»Chassis»Mid Tower»V9 Series»V9 : V9 VJ40001W2Z
    Have stock intel supplied cooler ATM, MCH Core is set at 1.220 now
    Here's Everest CPUID screenie after OC compare to previous
    GA- EP45-DS4 Rev #: 1.0
    Intel Core 2 Duo E7300 (M0) 3.66GHz. 1.325v
    Patriot PC2-8500 4GB (2 X2GB) DDR2 1066 5-5-5-18
    Gigabyte HD4850 1GB DDR3
    DVICO DUAL T-Pro
    Shaw 850- 850W
    ASUS VK222H HDMI @ 1680x1050
    Win 7 RC 32 bit
    [SIGPIC][/SIGPIC]


  10. #10
    Chike is offline Senior Member
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    Default Re: Need Advice with OC GA EP45 DS4 and E7300

    Seems you have good memory, runs at just what speed you set it, is this stable? What results you get with Everest memory and cache benchmark?
    How are core temos with the OC?

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