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Overclocking i5-750, first time overclock.

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January 4, 2010 5:12:57 AM

Hello all, first time to try overclocking. :hello:  I was wondering how my settings looked and if i should change anything. Also the main question i have is my ram is a 7-7-7-21 1333 @1.35v but the speeds i can either choose from are either x6@10xx or x8@14xx, is it ok to run it at the 14xx range?

Parts:
Gigabyte p55-UD4P - f6 BIOS
I5-750
Hyper212+ cooler
CM Storm Scout case(plenty of cooling)

So far i have left everything stock(not including ram settings, there set at the 7-7-7-21@1.35v G.SKILL ECO series ram) except these few items.
Turbo Boost = Disabled
C1E = Disabled
EIST = Disabled
Load Line = Enabled
QPI = lowest @32
CPU = 175x20 for 3.5Ghz or 180x20 for 3.6Ghz playing around to see how much of a temp change between the 2.
Vcore set to 1.21875


Also i have seen mixed replies about disabling C3/C6/C7 State Support, should i?


Thanks for looking. Will update with temps and Prime results. Memtest has come back just fine though(at 20mins per each speed)

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January 4, 2010 5:32:48 AM

Read the 2nd "Quote" in 3) Voltages tweaking for the stable voltage setting for 3.6GHz.

http://www.tomshardware.com/forum/256144-29-lga1156-cor...
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January 4, 2010 5:39:41 AM

Thanks, i have looked over that guide. It got me started pretty easily. Many have said that since each chip is different the volts its stable at will differ, so should i really just put all those into play or just change 1...2...ect?
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January 4, 2010 5:58:24 AM

Set Vcore to your specified one(1.21875) and turned on Load line, so far so good on prime.

Should i change these?
QPI/Vtt/IMC= 1.14V
PCH= 1.10V
PLL= 1.80V
Will they drop the temps a lot or should i leave the stock volts as they are?


Anyone have an answer for my Ram question?

Thanks
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January 4, 2010 6:01:46 AM

sheath said:
Thanks, i have looked over that guide. It got me started pretty easily. Many have said that since each chip is different the volts its stable at will differ, so should i really just put all those into play or just change 1...2...ect?

It is quite true! However, the difference is very small 90% of the time.

You will only get huge difference with extremely good or extremely bad chips.
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January 4, 2010 6:16:59 AM

Steady after 20 or so mins of large FFT on prime

Temps pic: Ignore the real temp min, i reset it when i started the load test so i could use the real load avg function. Core temp has the mins from idle still.



How do they look?
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January 4, 2010 6:22:22 AM

They are all within the 72.7C which is fine.

A better cooler will give you better temperatures.

For example, my full load temps are 48C-44C-44C-43C
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January 4, 2010 6:26:43 AM

Ya i know, but i rarely load it down to full. Only when i encode videos does it get close and those never take longer than and hour(if on highest settings and triple pass). So i should be perfectly fine with the Hyper212+


Do you know anything about running the 1333 ram at 1440? Will that hurt it? The only other one i can pick is 1080@x6 and that just seems to low.
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January 4, 2010 6:30:31 AM

sheath said:
Ya i know, but i rarely load it down to full. Only when i encode videos does it get close and those never take longer than and hour(if on highest settings and triple pass). So i should be perfectly fine with the Hyper212+


Do you know anything about running the 1333 ram at 1440? Will that hurt it? The only other one i can pick is 1080@x6 and that just seems to low.

It is very hard to overclock RAM, because they are very picky.

I suggest that you downclock to 1080 and there won't be any difference 99% of the time.

Read the article if you don't trust me: http://www.tomshardware.com/reviews/core-i7-870-1156,24...
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January 4, 2010 6:39:29 AM

I dont know what to read in that article to tell ya the truth lol. Memtest has not produced any errors at 1440@x8 in bios. Does it hurt the memory, or is it just more likely to produce an error?
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January 4, 2010 6:43:36 AM

Why? Is it not very well organized? Your feedback will be really appreciated!

Stay at 1440MHz if you can pass 12 hours Memtest86+ test.
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January 4, 2010 6:44:58 AM

Tell me what you think so that I can improve it.
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January 4, 2010 6:49:31 AM

Its most likely just me since i was looking for a "its ok to do this.." or "Its bad to run it as this.." in the (LGA 1156 Memory Performance: What Speed DDR3 Should You Buy?) article.

Your first article is great though, helped me alot in getting set up.


This is my ram set. Its a brand new series G.Skill has out.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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January 4, 2010 6:55:07 AM

sheath said:
Its most likely just me since i was looking for a "its ok to do this.." or "Its bad to run it as this.." in the (LGA 1156 Memory Performance: What Speed DDR3 Should You Buy?) article.

Your first article is great though, helped me alot in getting set up.


This is my ram set. Its a brand new series G.Skill has out.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

In my guide:

"to be on the safe side" or "to be safe" means "its ok to do this"

"at your own risk" means "It's bad to run it and so do it at your own risk"

Hope the explanation helps.
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January 4, 2010 6:57:53 AM

I never ment for that first comment to be about your first article. Its very easy to follow.



Quote:
I suggest that you downclock to 1080 and there won't be any difference 99% of the time.

Read the article if you don't trust me: http://www.tomshardware.com/review [...] ,2482.html


Thats what i ment it to be about. ;)  That article can be a bit confusing
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January 4, 2010 7:00:21 AM

sheath said:
I never ment for that first comment to be about your first article. Its very easy to follow.



Quote:
I suggest that you downclock to 1080 and there won't be any difference 99% of the time.

Read the article if you don't trust me: http://www.tomshardware.com/review [...] ,2482.html


Thats what i ment it to be about. ;)  That article can be a bit confusing

Ok..........

I misunderstood.
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January 4, 2010 7:11:53 AM

Thanks for your help, ill let memtest run for a while and then if i get any errors ill drop it down.
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January 4, 2010 7:12:31 AM

Not at all and good luck.
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January 4, 2010 2:18:16 PM

Memtest passed with 0 errors overnight with over 100% completion. Both Large FFT and Small in prime have passed also. Seems to be running steady as a rock.
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January 4, 2010 4:07:06 PM

Congratulations!
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January 4, 2010 4:43:52 PM

sheath said:
Its most likely just me since i was looking for a "its ok to do this.." or "Its bad to run it as this.." in the (LGA 1156 Memory Performance: What Speed DDR3 Should You Buy?) article.

Your first article is great though, helped me alot in getting set up.


This is my ram set. Its a brand new series G.Skill has out.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


The specs on that new eco ram are fantastic.
The o/c's are talking about them here.
http://www.xtremesystems.org/forums/showthread.php?t=23...
Seems it uses some of the latest memory chips made.
Hence the low voltage.
Running at cas 7 at those speeds is very good.
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January 4, 2010 5:10:28 PM

There are also higher frequency ecos at similar price if I am not mistaken.
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January 4, 2010 7:18:18 PM

the timings go up to like CL7-8-7-24 at the 1600 set i think. I think the volts stay low though. None the less its a fantastic set of ram, i love using them.
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January 4, 2010 8:54:22 PM

andy5174 said:
There are also higher frequency ecos at similar price if I am not mistaken.


Yes, thats life. There will always be another better sale after we already built our computers.
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!