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Thread: GA-EP45-DS3L + E8400 OC Assistance




  1. #1
    Join Date
    Jul 2010
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    Default GA-EP45-DS3L + E8400 OC Assistance

    Hey everybody,

    My rig specs are:

    Motherboard: Gigabyte GA-EP45-DS3L
    Processor: Intel Core 2 Duo Wolfdale E8400 3.0 GHz
    Power Supply: Cooler Master Real Power Pro 650W
    Memory: G.Skill 2GB (2 x 1GB) DDR2 800 MHz & Corsair 4GB (2 x 2GB) DDR2 800 MHz
    Graphics: EVGA nVidia GeForce 8800 GT 512 MB
    Hard Drive: Seagate Barracuda 7200 RPM 250 GB
    Case: Rosewill Destroyer
    CPU Cooler: Arctic Cooling Freezer 7 Pro w/ Arctic Silver 5 Thermal Compound

    Now, I've had this computer for nearly 2 years however my initial purchase was sans CPU cooler/case (used stock cooler and a hand-me-down case from a friend). I was quite the novice at the time and didn't realize until after I was out of funds that the case had no fans (very bad) and the stock cooler was crap (also very bad). Basically, my system (which I bought to be OC'd) was un OC-able. However, I was recently able to procure a respectable amount of cash with which I was able to purchase a bargain case and a highly-reviewed cpu cooler. With these in hand, I was able to OC my CPU to 4.0 GHz (445x9 | 1780 FSB @ 1.3v BIOS, 1.264v Idle, 1.248v Load | ~40-45 C @ Idle, 72 C @ Load) & dabble with the memory settings (400 MHz, 2.00D, 5-5-5-18 Timing @ 2.08v BIOS, 2.06v Idle, 2.06v Load) w/ CPU fan & both case fans on 100% (sound isn't an issue). GPU is OC'd from Core Clock: 600 MHz, Shader Clock: 1500 MHz, Memory Clock: 900 Mhz to Core Clock: 750 MHz, Shader Clock: 1875 MHz, Memory Clock: 1150 MHz. GPU sits at about 72 C @ Load.

    Basically, I'd like for some of you advanced/power/enthusiast users to double-check what I've done & maybe help me push it further. I've been reading people can hit 4.2-4.5 GHz with the E8400, and people who are hitting 4.0 GHz are using more voltage than I am. My only concern is heat - Even with 2 120mm case fans @ 2000 RPM each, and a CPU fan @ 1800 RPM my CPU/GPU are sitting at just over 70 C which I'm not particularly comfortable with, but with all the threads I've read on heat... It doesn't seem to be THAT big an issue, I just need to keep an eye on it. (However, with my cooling setup I'm just wondering why it isn't lower...)

    One last thing, I'm currently 1 hour into Prime95 stresstesting @ the first setting (forget what it is called...) without any errors or BSOD's. Which is better than I've been getting all day. Hopefully it'll last all night so I can have a stable baseline from which to work from.

    Thanks to everyone who reads this in the future and helps me out.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-DS3L + E8400 OC Assistance

    Can you link the memory you are using? You will have a much easier time if you do not mix modules

    Also give us your full current settings in a template from my signature and let us know what BIOS version you are using (Press F9 on MAIN BIOS page if you are unsure)

  3. #3
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    Default Re: GA-EP45-DS3L + E8400 OC Assistance

    Voltages except CPUVcore, MCHCore, DRAMVoltage set to "Normal" (that is when Auto being shown and press +). The EP45-DS3 is not stable between 445-455, and it is not just me, maybe even 460, with DS3L could be ok though. 490 capable by 1.14V MCHCore and 500 by 1.16V. CPU too doesn't seem to need Termination and PLL above their default values or even lower 1.15 to be precise.

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