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Old July 5, 2011, 02:58 PM
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Default Rookie OC question /embarassed

hey, so I just built the following:

P8Z68V-PRO Mobo
i5 2500K Proc
8GB DDR3 Vengeance RAM
Corsair H50 water cooler
500GB Sata HDD
2TB Sata3 HDD
700W PSU
Radeon 5830 (will be upgraded after i have more cash)


that should cover what you need to help me. Anyways, I have no idea how to overclock it properly. I went into the BIOS and set it to extreme but I don't get alot of performance results (it caps at 3.4) and it tends to hike my CPU core temps by ALOT. (I'm using Core Temp + widget to monitor)
The case has 2 120mm fans on high setting (I'm not sure of the rpm on them, they're stock in the Antec 900 case)
and a 200mm in the top, also set to high speed
the back fan mounted to the H50 rad is also set to high speed

how can I stably OC to about 4 or 4.2? and not send my temps through the roof?

currently at the 3.4 it runs idle around 32 degrees, under load around 37-43, and under heavier load around 55-60.


Here's a strange occurance that might help or confuse anyone reading this.

Last night I ran Chrome, Steam, Divinity 2, Heroes 5, Winamp, Utorrent, and Catalyst. While running all this the system was averaging around 37 to 42 degrees on each core. here's the kicker, when I shut down Divinity 2 and Heroes 5 (I was running both as an experiment, I'd OC'd the vid card/fan using Catalyst), I then turned on Dungeon Seige 3. the temps ALL spiked to 58-60 degrees.

I've tested it using Borderlands, Magic 2012, WoW and I'm a frequent multi-tasker of HD movies/audio while photoshop/surfing/gaming. The temperatures during all that has never exceeded 45 degrees.

Any ideas? I dont think DS3 is THAT much of a hog on the specs, and my comp build should be able to crush it.

help?
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Old July 5, 2011, 03:00 PM
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I should mention, when I leave the BIOS at normal speed setting (3.3) the temps sit between 25-34 degrees while idle - mid load

I googled it, and all the results I got were about disabling OC'ing or something far more technical than I am capable of (there was something german I used google to translate, it came out as something about the pin settings on the processor, I was so lost..)

so any help would be awesome :)
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Old July 5, 2011, 03:47 PM
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My System Specs

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Here's a guide that I found helpful:P67 Sandy Bridge Overclocking Guide For Beginners

It's for the 2600k with a Asus p67 deluxe but the concepts and procedures will be almost the same, and the Asus bios should be pretty close to yours.
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Old July 5, 2011, 04:53 PM
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I'll start on that. Thanks! :)
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Old July 5, 2011, 04:59 PM
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watch the juice, intel mumbled something about 1.35 long term :)

not that youll kill it at 1.4 but still.

gl with the oc!
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Old July 8, 2011, 05:07 PM
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I too have a 2500K and was able to do a mild over clock to 4.2Ghz last night no problem without changing Vcore (VID) and only manually changing the multiplier to 42x.
It's actually way too easy to overclock SandyBridge :)
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Old July 8, 2011, 05:07 PM
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BTW I am using Gigabyte z68x-ud3h-b3
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Old July 10, 2011, 11:36 AM
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What would be the absolute highest voltage that one can push for on the 2500k?
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Old July 10, 2011, 07:49 PM
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depends on how cool you can keep it. I'm known for saying something in the very high end range, but I wouldn't push it past 1.4V, keeping it under 80C for a 24/7 load.
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