Core i7 920 O/C results

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NoM8s

Member
Feb 20, 2009
51
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The link below shows the settings and readings for various stages of overclocking my Core i7 920. I am happy with all the overclocks except for the 3.96GHz as I feel the auto chosen CPU voltage could be harmful to the CPU, hence I took the readings but did not do a stress test. I lowered the voltage but got a blue screen after Windows load up screen. I would like some opinions regarding the CPU voltage and any other settings that could be cause for concern.
Thanks in advance

http://i277.photobucket.com/al...kk50/NoM8s/i7920OC.jpg
 
Thor86

Thor86

Diamond Member
May 3, 2001
7,888
7
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Originally posted by: Rick James
Originally posted by: NoM8s
Originally posted by: Rick James
I'm at 1.360V at 4.2GHz. You should be able to hit the same ghz with that memory
Click to expand...


What are your other Bios settings?
Click to expand...

Here's the guide i used.

http://www.tweaktown.com/news/...cpu_to_4ghz/index.html
Click to expand...

Two things that really stick out:

1) QPI/VTT set at 1.5v is a pretty high, and not really necessary unless you want higher Uncore/NB frequency overclocks.

2) Using Memtest for testing memory overclocks doesn't mean the overclock is Windows stable, or Prime95 stable for that matter. Memtest should only be used if you are on the bleeding edge of your memory overclock settings.

Other than these two points, very good document for Core i7 overclocking, especially for Gigabyte boards.
 
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NoM8s

Member
Feb 20, 2009
51
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Not yet I've been messing around with me other toy E8400....I will let you know how I get on when I get time to have a bash.
 
D

darckhart

Senior member
Jul 6, 2004
517
2
81
I have a 3842A at 215x19 with bios set Vcore=1.34, altho cpuz reads 1.296 under P95 full load. QPI=1.32, CPU PLL 1.84. all others at defaults. hth.
 
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nyker96

Diamond Member
Apr 19, 2005
5,630
2
81
i like your 3,6 setting, pretty much just a tiny bit over stock voltages for mem and cpu. i think it's the sweet spot for your chip. not too hot under load condition either. what type of cooler are you putting on the cpu?
 
QuantumPion

QuantumPion

Diamond Member
Jun 27, 2005
6,010
1
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I seem to be running stable at 3.6 (180 bclk) with voltages at default except vcore and qpi volts increased to the top of the "blue" region in the P6t bios, which is like 1.2275 for vcore and 1.25 something for QPI. These are much lower then your voltages although I'm getting about the same temperatures as you are anyway.
 
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pm

Elite Member Mobile Devices
Jan 25, 2000
7,419
22
81
Nice results, NoM8's - and I love the table with all the settings. It's very clear. I like my Core i7 but there sure are a lot of knobs to tweak on the motherboard to mess with.
 
daw123

daw123

Platinum Member
Aug 30, 2008
2,593
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Good idea using the table to record your settings. I'll have to steal that one :D
 
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NoM8s

Member
Feb 20, 2009
51
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Thanks for the compliments...I wish my overclocking abilities were as good as my table making abilities......lol
 
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NoM8s

Member
Feb 20, 2009
51
0
0
Originally posted by: nyker96
i like your 3,6 setting, pretty much just a tiny bit over stock voltages for mem and cpu. i think it's the sweet spot for your chip. not too hot under load condition either. what type of cooler are you putting on the cpu?
Click to expand...


I have the Akasa Nero, might go for the Thermalright Ultra in the future, its supposed to be a little more efficient, but the Nero is doing just fine at the moment.
 
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Flipped Gazelle

Diamond Member
Sep 5, 2004
6,666
3
81
Originally posted by: NoM8s
Thanks for the compliments...I wish my overclocking abilities were as good as my table making abilities......lol
Click to expand...

You have a 930mhz OC with a mild voltage increase and good temps, on air. I think your OC'ing skills are just fine.
 
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