Intel may make changes to manufacturing life cycle, specifications, and product descriptions at any time, without notice. Given that I have such a good cooler I think it should be possible.All information provided is subject to change at any time, without notice. When I look at that list I see about 5 people who managed to stabilize (assuming those are all stable OC's) their E8400 at around 4.4Ghz. I'm happy with the Scythe Mugen Max, I first bought a CM Hyper TX3 EVO but that wasn't much of an improvement over the intel stock cooler. Very frustrating.Īnd yeah the motherboard isn't great, that's why I would like to buy a second hand Gigabyte EP45-UD3P. I would really love to reach the 5Ghz number, but when I try to boot at 4.68Ghz and increase the FSB in windows with the program "setFSB" I'm able to reach 4.95Ghz but when I try to validate it using CPU-Z it crashes as soon as I click the "submit" or "save manual validation file" button. So far i've managed to reach 4.91Ghz ( unstable ofc) and 4.00Ghz stable (24hours of Prime95 blend). When I switched between DDR2 and DDR3 memory I always did a CMOS clearing by touching the 2 jumper pins on the motherboard with a screwdriver.Īnd yes my goal is the highest CPU-Z validation possible and 4.4Ghz fully stable. You can learn a lot here, to see how realistic your goals are, compared to some of the best overclocks achieved with the E8400. I also love it's heat pipe back set forming allowing clearance for the system memory modules, well done Scythe! It comes with a 140mm cooling fan but the fan has 120mm mounting tabs, FYI. It actually outperformed the Noctua NH-D14 under an overclocked test load, and it is obviously a passive cooler from the looks of it, meaning you can increase it's cooling capability by going to higher CFM cooling fans, say in the 120mm 110cfm range! However you've made great progress so far so keep at it!Įdit: I took a good look at the Scythe Mugen Max and I have to say I am impressed with it! If you have any limitations it will be that motherboard you have and not because of the Gigabyte brand but because it could run either DDR2 or DDR3 memory, meaning it was not fully dedicated to either DDR2 or DDR3, and was more of a buying convenience feature, than an overclocking featured motherboard, compared to some of the dedicated overclocking motherboards of it's day. So far it seems you're after the highest CPU-Z validation you can possibly achieve and then stabilize somewhere around 4.4ghz? I did however for my own qualifications have a Q9550 I overclocked to 4ghz using an ASUS Striker II Extreme running 4Gb of 2,000mhz memory using a Xigmatek S1283 HDT air cooler running 110cfm cooling fans. I have to admit I am not a Gigabyte motherboard user so my familiarity with it is limited to what I can discover from you? Your motherboard manual is very frustrating because it did not show any of your available BIOS features, at least the one I downloaded from Gigabyte did not, without knowing the features or setting you have available to you, it is rather difficult to help much other than trying to further what you've already tested. Not clearing the CMOS settings could account for the error code you got? I also got this weird error when trying to boot at 4.85Ghz with my DDR3-1333 CL9 memory sticks:Īnyone know what it means? Here's a pic of it:Īny time you switch between the DDR2 and DDR3 memory always do a hard clearing of the CMOS settings, many think the motherboard auto recognizes and in most cases it does, but may not show you all the BIOS settings the different memory modules can use, so to be safe do a hard clearing of the CMOS settings, usually accomplished with the motherboard jumper. I already have advanced BIOS features like “CPU Enhanced halt”, “CPU themal monitor 2” and “CPU EIST function” set to disabled. Is there any way to prevent this from happening? The problem is when I try to go higher than 4.80Ghz the “CPU host clock control” keeps resetting itself to disabled. I will soon try stabilizing the CPU at 4.5Ghz so it can pass a 24hour Prime95 stress test. I already succeeded in reaching 4.80Ghz with a multiplier of x9 and FSB of 534Mhz at 1.72V. I also invested in faster 4GB DDR3-1333 CL9 Ram instead of my 4GB DDR2-800 CL5 sticks. I chose for the Scythe Mugen Max with an additional second fan. In order to do this I have of course replaced my Intel stock cooler with a good aftermarket cooler. I’m trying to overclock my E8400 from it’s stock speed of 3.00Ghz to as high as I can.Ĥ.90Ghz (unstable) and 4.5Ghz fully stable are my main goals. I'm in need of a little assistance / advice on overclocking my Intel Core 2 Duo E8400.
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