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E7200 OCing on air + micro review

OnBoard

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So have you tried for max OC yet??

I would assume you would acquire some better cooling before attempting that though :)

Id be interested in seeing what it can handle.......

Thanks for the review! Good read

Try this post for answer "04-30-2008, 03:52 PM", couple posts up.

Tried 1.3625V max, don't want to break this, as it will be on 24/7 :) Water cooling should do more with P35 or better motherboard and I'd need PC8000 mem as well. 5GHz should break with LN2, PcCI2iminal did that on xtreme systems. After 4GHz voltage need seems to go up quite a lot and I'm running out of FSB anyways.

I'd susbect that ~1.4V is needed for 4.2Ghz or that heat was an issue. Might try push/pull fans to find max on air someday, but will wait for a cool day and AS5 to set :)
 

OnBoard

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The real temps of that chip would be impressive I expect!

Geez.. now I want one.

Swap the E6300 for one of these. Is it in HTPC use now, as it's underclocked and undervolted? Or get triple the cache with E2160->E7200 :)
 

Odin Eidolon

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DOM

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Heh, I'll stay away from hard mods :) Real temps works with x64 now as well. It showed 10C less load (95C TjMmax) and with it I can get to 47C idle (now that I'm idleing @ 2526MHz).

Ambient is 23C, so stock idle temps should be something like 30C @ 1600MHz 1.1V, but they were 56C. Now I'm 13C below CoreTemp temperatures in Real Temp and CoreTemp shows 61C. That would make about 38C idle for stock and it's more believable :)

Tried to go higher, but seems I've hit the sweet spot already. 1.3625V wasn't enough to keep 4.2GHz stable and that's highest voltage I'll go (Intel specs max). Mem is good for about 467FSB and doubt mobo would do that much more, so they are a good pair for this CPU.

Low volts on 4GHz and everything seems so responsive and fast, I'm a happy. Now for some stability testing (read gaming).
I get the same temps just 10c lower from stock under volted to OCed also with 1.68v I think its lil higher :eek:

but my mobo needs more NB volts I think cuz it needs alot of v-core at 480 fsb but way less at 475 :wtf: but I never tryed a volt mods :eek:

oh yeah you'll get lower temps with realtemp cuz it has 95 tjmax, speedfan has 100, and coretemp os 105 ;)
 

OnBoard

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I get the same temps just 10c lower from stock under volted to OCed also with 1.68v I think its lil higher :eek:

but my mobo needs more NB volts I think cuz it needs alot of v-core at 480 fsb but way less at 475 :wtf: but I never tryed a volt mods :eek:

oh yeah you'll get lower temps with realtemp cuz it has 95 tjmax, speedfan has 100, and coretemp os 105 ;)

How much NB volts are you pumping in it and how much FSB? 1.45 seems to be enough for 450-465FSB, but after that I have no idea. Been always with that, before with 333 (propably wouldn't even needed) and now with 421.

Also is FSB termination voltage needed at some point. Quick readup of the all knowing interweb and people seem as confised as I. Did seem to say that more is not always better as I've noticed. Once had other setting than Auto and then went on altering FSB higher and had to lower it to keep stability.

Now I'm tempted to up the voltage, as the night is cooling down and cool air flowing on the floor. Nightly quickie, aim personal best ->

edit: "CPU overtemperature error!" :) 4.45GHz was the try and kept upping the voltage, but always BSOD on Windows start. That came finally with 1.5V on boot. Don't know if it really was hot, or motherboard just though so, because of the weird temps, but I'd need better cooling. Starting to think it must be temperature related. Oh well, it wouldn't be fun, if it was easy. E7200 lives on for another day of torture.
 
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DOM

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I max everything for 480FSB but for 3.6GHz 450FSB is 1.45v NB and FSB termination voltage 1.4v

but I'll find out if its the NB needs more volts so I can lower the v-core but need to get the mobo moded :(
 

OnBoard

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Played around with couple hours with a fan in mem and another pulling hot air from CPU cooler and NB cooler. 4.2GHz would cause error in Orthos in few seconds, 4.4GHz would BSOD in windows start. Saw 101C temperature in bios hardware monitoring, when it said CPU overtemperature with 1.5V :p

That's it folks with my system and cooling 4GHz is the limit, after that I'd think temp is the issue. E4300 already ran hot OCed and this having even less power components on bottom, will do the same. So if you want more than 4GHz, be sure to have great cooling, or go for E8400. If sub 4GHz is enough, then E7200 is a great cheap choice. Lastly the usual 'results may vary with your chip' :)
 
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