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Overclocking limits for E6850

Associate
Joined
27 Jan 2006
Posts
74
Location
Gloucester
Hi all, at the moment I've got an E6850 on an Asus P5k running stable at 3.8Ghz (423 x 9, Vcore 1.35v on air. I am a bit reluctant to increase the Vcore any more however I've read posts on various forums about people increasing it up to 1.55v in order to reach 4Ghz +. Is temperature the limiting factor or is it just in the silicon itself? Whilst running CPU intensive programs such as FSX for hours on end, according to Core Temp 0.95, each core has never gone above 30 C. If Core Temp is accurate, that would leave me with a lot of headroom however I was worried about just upping the Vcore to 1.4v or something and then BANG. The PC is built into an Antec 900 case with an Arctic Cooling Freezer 7 Pro.
 
I started to increase the FSB to 445 which equates to 4Ghz and in order for the system be stable enough to run 3DMark 2005 a couple of times and Super Pi, I had to increase the Vcore to 1.44v. The highest temperature recorded for any core was 41 C so I'm hoping that's it and the CPU will last until Penryn. The idle Temps, where it sits most of the time is 18 C on core 1 and 21 C on core 2.
 
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