Sandy Bridge Overclocking V1, 2500K/2600K/2700K | LGA1155 P67.Z68.Z77
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 Jan 29 2012, 11:37 PM
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#1
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Senior Member
8,461 posts Joined: Mar 2007 From: Kota Bharu,Kelantan   
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Just had a quick OC run with my rig
i5 2500K 5.0 GHz [1.45V Vcore in BIOS,Internal PLL Overvoltage Enabled] MSI P67A-GD55 1X4GB Mushkin Value DDR3 CM 212 EVO Push/Pull  What do you guys think?Personally i'm having doubts at running my CPU using that much voltage  This post has been edited by Racerx: Jan 29 2012, 11:45 PM |
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Jan 30 2012, 12:44 AM
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#2
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Senior Member
8,461 posts Joined: Mar 2007 From: Kota Bharu,Kelantan
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QUOTE(owikh84 @ Jan 30 2012, 12:19 AM) bearly hear the fan spinning on my Corsair's. i'm back to 4.7GHz @ 1.30V in BIOS right now.About that run,i've already have SP1 installed .ur PSU is running hot that's why it spins faster & louder. could be due to overload & 24/7 folding. nice try i think ur CPU speed is throttled down coz it hit 98C already.  looks like u're running on vanilla win7 expect higher vcore on win7 SP1 should run LinX on all the mem aircooling won't be able to do IBT/LinX stable @ 5.0GHz  One thing that's bugging me right now is that with LinX 0.64 [All RAM] i'm only getting around 94Gflops at 4.7GHz while i'm seeing people say that they can get 110Gflops~ at 4.5GHz. What do you think would be the cause of this?Max temps are below 80c with this setting. |
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Jan 30 2012, 05:08 PM
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#3
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Senior Member
8,461 posts Joined: Mar 2007 From: Kota Bharu,Kelantan
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QUOTE(owikh84 @ Jan 30 2012, 06:23 AM) use the latest LinX/IBT posted in my post #1? I've tried with the Linx you posted on the first page and still i'm only getting around 98Gflops only. should be getting above 100 gflops Added on January 30, 2012, 6:24 am can RMA & grab a GOLD series  Added on January 30, 2012, 6:32 am other than enabling internal CPU PLL overvolting & increasing vcore, i don't see any other settings to change. i see u got a bad chip, might wanna try 1.55v @ LLC 75% or 1.5v @ LLC 100% (watercooling only)  |
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Feb 6 2012, 02:58 PM
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#4
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Senior Member
8,461 posts Joined: Mar 2007 From: Kota Bharu,Kelantan
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QUOTE(owikh84 @ Jan 30 2012, 05:54 PM) don't know what's the reason behind this but that low GFlops means CPU throttling/ underperformed. could be VRM overheating I've put a spoiler on the 2nd fan of the heatsink so that some air is directed to the VRM below and voila i've got 122GFlops on 4.5GHz.Looks like it really did overheat.Thanks for your help.turn off all power saving features C1E, C3. C6, EIST windows power management set to high performance in LinX set priority to above normal/real time, run all mem or could be other OC settings failed to work I'm using Arctic MX4, easier to apply than Tuniq TX4. |
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