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need suggestions on lga775-p45

post #1 of 14
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hello everyone. last week I ve upgraded my 4830 to sapphire 5850 vapor-x reason was I play BC2 a lot and now with directx11 enabled i figure my cpu holding me back. e5200. It was running 4ghz @1,4vcore then I tried more overclocking with 1.45 wolts. hit wall at 353fsb. overclock succeeded kept stable 350fsb. thermal solution is sunbeam core contact freezer and its cool. my question is; is it safe to pump more than 1.4vcore 7/24 on this chip? how much voltage can damage this chip? I cant afford a new lga775 chip and dont want my dualcore to hold new gfx back. now i am back to 4ghz with 1.4vcore but BC2 wants more than 4ghz thanks for reading. here is my super pi score with 4375mhz.

specs: dfi bi p45 mobo, 2x2gb ddr2 team xtreem, 580watt xilence psu, sapphire 5850 vapor-x, 2x samsung raid0

http://img209.imageshack.us/img209/1433/4375mhz.gif
    
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post #2 of 14
1.45v for a 24/7 oc is the limit (I think), and don't get over 60c on load

these are my personal preferences.
    
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post #3 of 14
What temps do you get under Prime95 and IBT (This is the hottest program so be VERY CAREFUL) cause Tj for you is 74C. Look not to pass more than 70. 1.4v is maybe at this chip is the max cause the VID range and safe is 1.3625 according to Intel, so you are already at the edge.
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post #4 of 14
Thread Starter 
Quote:
Originally Posted by Vipervlv View Post
What temps do you get under Prime95 and IBT (This is the hottest program so be VERY CAREFUL) cause Tj for you is 74C. Look not to pass more than 70. 1.4v is maybe at this chip is the max cause the VID range and safe is 1.3625 according to Intel, so you are already at the edge.
OK here is some IBT with 346FSB. http://img443.imageshack.us/img443/6417/intelbt.gif
Only 2 runs but i guess its enough, temps kept same after few seconds. Also i didnt change voltage, still around 1,46 - 1,44 which was stable for 4375mhz.
    
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post #5 of 14
You are on the border - i would try to lower a bit the Vcore cause for 24/7 it's rather high - try to stable around 1.42, it won't change significantly whether you will be a 4Ghz or 4.3Ghz, even 3.9Ghz is pretty good. You could run a 3Dmark06 to determine how good it compares with your current gpu.
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post #6 of 14
1.45V is the max safe you can go,but i would keep it under 1.4V.

As for the Temps,keep them under 72c & you will be fine.

BC2 likes Quads,but it still runs great on a CPU like E8400.

E5200 is a Pentium Dual,right?
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post #7 of 14
Just sell it and buy a Q6600
BC2 eats dual cores for breakfast
Also, that dual core is a MASSIVE bottleneck for your 5850
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post #8 of 14
Thread Starter 
you guys right temps went crazy, never saw 80C before I hit on my last try.im back to 1.4vcore now with 4100mhz hoping its stable since finished ibt and some pi calculations with decent temps.

@MR ONC
well I was thinking upgrading my cpu to q9550 but prices are like crazy in my country. quad9550 price is 280$ then I saw this sapphire 5850 on discount. 180$ delivered. maybe I find nice q6600 if I am lucky.. people already traded over and over and bunt those chips.
    
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post #9 of 14
Thread Starter 
Quote:
Originally Posted by Tnlgg View Post
1.45V is the max safe you can go,but i would keep it under 1.4V.

As for the Temps,keep them under 72c & you will be fine.

BC2 likes Quads,but it still runs great on a CPU like E8400.

E5200 is a Pentium Dual,right?
Yes its a pentium dual-core with crippled fsb and cache
buy it 70$ 2 summers before @ cheap
    
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post #10 of 14
You need a E8xxx for the mobo to really show you what its capable of..
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