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Air cooled OC from 3.25 -> 3.6?

Post Date: 2009-12-20
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Machew100 View Drop Down
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Posts: 6 		  Quote Machew100 Quote  Post ReplyReply bullet Topic: Air cooled OC from 3.25 -> 3.6?
    Posted: 20 Dec 2009 at 7:13pm

I purchased a digital storm system back in august with an HAF 932 case, the Zalman high performance fans, and the V8 air cooler.  I was wondering if it'd be perfectly reasonable to push my i7 920 from the digital storm overclock of 3.25 to 3.6? I've seen a lot of people on different forums with air cooled i7 920's with an OC of 3.6 with the V8 just like I have.  One person said that 3.6 is like a 'stock' speed and that you can push it to 4.0, but I have no clue how viable that is.  So, can a 3.6 i7 OC be done safely on air cooling?
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DL13 View Drop Down
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Posts: 110 		  Quote DL13 Quote  Post ReplyReply bullet Posted: 20 Dec 2009 at 8:38pm
I have the i7 920, V8 and HAF 932 (stock fans).  I didn't push mine to 4.0 but here's what I did: http://digitalstormonline.com/forums/forum_posts.asp?TID=6172.  No issues since March - completely stable.  I just remove the o/c when I upgrade the BIOS and then re-do after. 
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philiporphillip View Drop Down
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Posts: 335 		  Quote philiporphillip Quote  Post ReplyReply bullet Posted: 20 Dec 2009 at 11:30pm
it's completely safe. my DS haf 922 with the v8 cooler and the enhancements fans installed was oc'd from an i7-920 2.66 ghz to 3.7 ghz.
 
DS wouldn't have sent my pc to me if the temps were too high.
 
Digital Storm
haf 922
i7-920 oc'd @ 3.6 ghz (1.28v)
evga x58 le edition sli
cooler master v8
6 gb ddr3 1600 mhz mushkin
evga nvidia geforce gtx 295 co-op edition
1000w corsair hx
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philiporphillip View Drop Down
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Posts: 335 		  Quote philiporphillip Quote  Post ReplyReply bullet Posted: 20 Dec 2009 at 11:34pm
just be sure to increase your vcore .. i think 1.35v for a 3.6 ghz oc is good b/c DS set mine to that.
 
good luck !!
Digital Storm
haf 922
i7-920 oc'd @ 3.6 ghz (1.28v)
evga x58 le edition sli
cooler master v8
6 gb ddr3 1600 mhz mushkin
evga nvidia geforce gtx 295 co-op edition
1000w corsair hx
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philiporphillip View Drop Down
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Posts: 335 		  Quote philiporphillip Quote  Post ReplyReply bullet Posted: 21 Dec 2009 at 12:07am
Originally posted by DL13

I have the i7 920, V8 and HAF 932 (stock fans).  I didn't push mine to 4.0 but here's what I did: http://digitalstormonline.com/forums/forum_posts.asp?TID=6172.  No issues since March - completely stable.  I just remove the o/c when I upgrade the BIOS and then re-do after. 
 
i had my 3.4 ghz at 1.31v. now that i've seen your 3.7 ghz at 1.26v, i lowered mine to about 1.28v at 3.6 ghz. temps are running slightly lower.
 
thanks for the link !!
Digital Storm
haf 922
i7-920 oc'd @ 3.6 ghz (1.28v)
evga x58 le edition sli
cooler master v8
6 gb ddr3 1600 mhz mushkin
evga nvidia geforce gtx 295 co-op edition
1000w corsair hx
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Machew100 View Drop Down
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Posts: 6 		  Quote Machew100 Quote  Post ReplyReply bullet Posted: 23 Dec 2009 at 5:00am
while you guys are at it, what benchmarking program would I use for a stability test, and for how long? what would be safe temps for my GTX 285 and i7 within the overclocking range? I can use EVGA E-Leet and Precision, and just raised my Vcore to 1.35v and core speed to 3.6. I downloaded precision but I haven't really messed around with anything yet.  Anything helpful hints for the EVGA 2gb GTX 285 on overclocking it? Anything else I should know? You guys are a big help! Ouch
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philiporphillip View Drop Down
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Posts: 335 		  Quote philiporphillip Quote  Post ReplyReply bullet Posted: 23 Dec 2009 at 5:26pm
1. for benchmarking, i would use prime95 and 1 hour is good enough, although some would recommend 6 hours or 24 hours. if it stresses out your pc for 1 hour and it passes, you're safe.  
 
2. i use e-leet and precision as well, but i don't overclock my pc via e-leet. i think it's ok to oc via eleet, but i prefer the bios way. this being said, your pc is already stable enough at 3.6 ghz at 1.35v. but like i've mentioned, you can definitly lower the vcore to 1.29v or 1.30v. if you ran prime95 with the 1.35v and it passed, you don't need to run it again as your pc at the lower volts will be already stable.
 
3. in my opinion, you will never need to overclock a gpu, nonetheless the gtx 285 2 gb of ram. it will run crysis smoothly, and consequently, it will run other most games really smoothly. i haven't messed with precision when i got my gtx 295 a few weeks ago. only used precision to check my gpu temps.
 
4. safe temps for a gtx 285 would be no greater than 85c. but i even think 85c is too hot, so to be safe, below 75c will be safe in 'my' opinion. as a reference, my gtx 295 never reaches 70c .. it runs in the 60s and fan speed increases to the 50s when i'm playing crysis.
 
5. the i7 cpu when idle should run in between 25c-35c. it shouldn't run past 80c at load. a good range would be below 75c in 'my' opinion. the cores at load should run somewhere between 50c-65c. you can see the cpu temp in e-leet and you can download Real Temp .. it will run in the background while you play a game and it will show you you max cpu core temps and gpu temps after you exit the game.
 
wherever you heard 3.6 ghz is at 'stock,' is wrong, especially if it's an i7-920. it's faster than the i7-975 at 'stock.'
Digital Storm
haf 922
i7-920 oc'd @ 3.6 ghz (1.28v)
evga x58 le edition sli
cooler master v8
6 gb ddr3 1600 mhz mushkin
evga nvidia geforce gtx 295 co-op edition
1000w corsair hx
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philiporphillip View Drop Down
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Posts: 335 		  Quote philiporphillip Quote  Post ReplyReply bullet Posted: 23 Dec 2009 at 5:33pm

btw, i think you, me, and DL13 are the only ones who have the haf cases with the v8 cooler, haha.

Digital Storm
haf 922
i7-920 oc'd @ 3.6 ghz (1.28v)
evga x58 le edition sli
cooler master v8
6 gb ddr3 1600 mhz mushkin
evga nvidia geforce gtx 295 co-op edition
1000w corsair hx
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Machew100 View Drop Down
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Posts: 6 		  Quote Machew100 Quote  Post ReplyReply bullet Posted: 23 Dec 2009 at 7:39pm
awesome, thanks man.
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DST4ME View Drop Down
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 23 Dec 2009 at 8:47pm
till few month ago its was all v8 and haf, then came Noctua and things changed, so if you find any members that are a few month old, you will find they most likely have the v8 and haf

there is a lot of you guys out there, don't think you are few

Edited by DST4ME - 23 Dec 2009 at 8:47pm

Nvidia Drivers----AMD Drivers
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justin.kerr View Drop Down
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Posts: 5084 		  Quote justin.kerr Quote  Post ReplyReply bullet Posted: 23 Dec 2009 at 9:02pm
Originally posted by philiporphillip

1. for benchmarking, i would use prime95 and 1 hour is good enough, although some would recommend 6 hours or 24 hours. if it stresses out your pc for 1 hour and it passes, you're safe.  
 
2. i use e-leet and precision as well, but i don't overclock my pc via e-leet. i think it's ok to oc via eleet, but i prefer the bios way. this being said, your pc is already stable enough at 3.6 ghz at 1.35v. but like i've mentioned, you can definitly lower the vcore to 1.29v or 1.30v. if you ran prime95 with the 1.35v and it passed, you don't need to run it again as your pc at the lower volts will be already stable.
 
3. in my opinion, you will never need to overclock a gpu, nonetheless the gtx 285 2 gb of ram. it will run crysis smoothly, and consequently, it will run other most games really smoothly. i haven't messed with precision when i got my gtx 295 a few weeks ago. only used precision to check my gpu temps.
 
 
 
5. the i7 cpu when idle should run in between 25c-35c. it shouldn't run past 80c at load. a good range would be below 75c in 'my' opinion. the cores at load should run somewhere between 50c-65c. you can see the cpu temp in e-leet and you can download Real Temp .. it will run in the background while you play a game and it will show you you max cpu core temps and gpu temps after you exit the game.
 
wherever you heard 3.6 ghz is at 'stock,' is wrong, especially if it's an i7-920. it's faster than the i7-975 at 'stock.'
be careful here. tons of inaccurate info, and opinions.
 
1. you can not ever have a pc stable enough, it is either stable or not.. 1 hour of prime95 is no where even remotely close to being a bit stable. 24 hours of prime 50 passes of linx at max mem, should be the absolute min stability test for RAM/CPU.
 
2. all CPU's are different, D0 stepping chips are known to become unstable with excessive V core, alway use the lowest stable V core, Some can do 4.0Ghz on stock voltage some need 1.45v.. plus messing with the V core is near pointless if you are not adjusting all of the other voltages, it is like a orchestra, you need to fine tune all the voltages in concert.
 
3. With high resolution, and max eye candy, most games will not benefit from CPU overclocking, only GPU overclocking will give any improvement, so keep that in mind before you say to not overclock the GPU's... Fermi will have decent voltage regulators unlike the crap ones on the current nvidia cards, so overclocking them is going to be very important to keep up with the highly overclockable ATI cards.
 
5. idle temps mean  nothing, remember, nothing, there is no set area of idle temps, none. cores at load should be under appx. 85C per Intel.. Don't tell someone they should run 50-65 under load, because some may run 35 some may run 85, and anything in between, and they are all fine.
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