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Thread: EP45-DS4P & E7300 - Help needed with OC




  1. #1
    Join Date
    Dec 2008
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    13

    Default EP45-DS4P & E7300 - Help needed with OC

    Hi all,

    I need some help overclocking my machine. I'll spare all long stories about noob attemps (i.e. just upping the FSB) and list my hardware config:

    Gigabyte EP45-DS4P
    Intel E7300 @ 2.66Ghz
    Zalman CNPS9500 CPU Cooler
    2GB Corsair XMS2 (rated at 4-4-4-12; 2.1v)
    Thermaltake 850W PSU
    Asus Geforce 8800GT
    2x500GB Western Digital HDD
    1x750GB Western Digital HDD
    4x1TB Western Digital HDD (RAID5 using Ubuntu/mdadm)

    Now, I want to overclock my system as I do x264 encoding etc.

    I have collected all of the tools in Lsemeasap's guide, and I intend on installing Windows to do testing of my OC. After all is stable, I will go back to Ubuntu as my main OS.

    The board has such a multitude of settings, and I have attempted to replicate the settings of a few other successful OC's i have read here without success (i.e. crc error on GRUB loading, random crashes etc).

    I need some settings and a general place to start. Would like to hit 3.5Ghz minimum. Any help/suggestions would be appreciated.

    Cheers,
    zorb

  2. #2
    Join Date
    Dec 2008
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    13

    Default Re: EP45-DS4P & E7300 - Help needed with OC

    Should also add that i had it stable at 3.5ghz purely by upping the FSB to 350 and the CPU voltage to ~1.33.

    This came to a fiery end when i pulled out two sticks of RAM for another machine - weird thing is the sticks i pulled out were rated @ 667, and the ones left in are rated at 800! Both are Corsair XMS2.

  3. #3
    Join Date
    Dec 2008
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    13

    Default Re: EP45-DS4P & E7300 - Help needed with OC

    Any suggestions guys?

  4. #4

    Default Re: EP45-DS4P & E7300 - Help needed with OC

    Well start by loosening the ram timings to OC the CPU, then stress test w/ OCCT or Prime95 to make sure its stable. Watch your temps.

    Then after its stable you can tighten the ram timings back up as far as you can to get the best settings

  5. #5
    Join Date
    Dec 2008
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    Default Re: EP45-DS4P & E7300 - Help needed with OC

    Have manually set my timings. 4-4-4-12, with 2.1v in the BIOS.

    Apart from that, I set the PCI Express clock to 100.

    Doing this has allowed me to hit 3.33ghz 'stable' (333x10) - I am still running Linux and doing x264 encodes for stress testing. I intend on installing my copy of Windows tomorrow to do Prime95 etc testing.

  6. #6
    Join Date
    Dec 2008
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    Exclamation Re: EP45-DS4P & E7300 - Help needed with OC

    Having major difficulties guys

    Am following this guide http://forums.tweaktown.com/f69/giga...g-guide-26112/ to best determine how far i can push my RAM before pushing the CPU.

    I now have an elaborate Excel spreadsheet that seems redundant, as my RAM refuses to run without errors in Memtest at anything above 667 (!!!).
    This is with default clock on the E7300 (266x10). All other settings auto.

    Any ideas/suggestions would be cool.

  7. #7
    Join Date
    Dec 2008
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    Default Re: EP45-DS4P & E7300 - Help needed with OC

    Quote Originally Posted by SpeedEuphoria View Post
    Well start by loosening the ram timings to OC the CPU, then stress test w/ OCCT or Prime95 to make sure its stable. Watch your temps.

    If the rating is 4-4-4-12@2.1v, how far do you suggest I loosen them?

    Have had them at 5-5-5-15@1.8V-2.1V and cannot run past DDR667 - even when the modules are rated at DDR800. ****ing Corsair.

  8. #8

    Default Re: EP45-DS4P & E7300 - Help needed with OC

    Well yeah I was just suggesting trying 5-5-5-15 at the same voltages to see if that was the issue.

    BTW what PL are you using(aka Static Tread)?

    Also I know this may seem silly but it can make a big difference, switch the sticks around as in swap slots, I've had mem that works better in a certain order like this, well currently mine's like this also.

  9. #9
    Join Date
    Dec 2008
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    Default Re: EP45-DS4P & E7300 - Help needed with OC

    An update on things..

    The highest stable clock now is 3.3Ghz, ram at 5-5-5-15/800Mhz.

    Was hoping to go higher, but I am thinking maybe the ram is the limiting factor. I might buy some that is rated at 1066Mhz.

    Any of you guys have some advice/an opinion on the above?

    Cheers
    zorb

  10. #10
    Join Date
    Dec 2008
    Posts
    13

    Default Re: EP45-DS4P & E7300 - Help needed with OC

    Am now going to be getting some 1066Mhz RAM.

    Which of the below would you guys recommend?

    OCZ 2GB (2X1GB) PC2-8500 SLI EPP C5 OCZ2N1066SR2GK

    OCZ 2GB (2X1GB) PC2-8500 SLI EPP C5 OCZ2N1066SR2GK - $69.00 : Oz Digital, Online Computer Store

    or

    G.Skill PI 5-5-5-15 4GB 2 X 2GBPC2-8000 F2-8000CL5D-4GBPI

    G.Skill PI 5-5-5-15 4GB 2 X 2GBPC2-8000 F2-8000CL5D-4GBPI - $110.00 : Oz Digital, Online Computer Store

    or

    Corsair TWIN2X2048-8500C5D 2GB (2x 1GB) PC-8500 1066MHz DDR2

    Corsair TWIN2X2048-8500C5D 2GB (2x 1GB) PC-8500 1066MHz DDR2 - $87.00 : Oz Digital, Online Computer Store

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