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Windows 7: Overclocking Q9550

15 Jan 2011   #1
beagrie07

Windows 7 Ultimate 64 Bit
 
 
Overclocking Q9550

So I'm looking at a possible overclock for my Q9550 2.83GHz, I'm not looking at a max overclock however, I'm looking for 3.00GHz if possible

So, I've never overclocked a CPU before in BIOS and need some help, can i get some help overclocking it? I've tried other links elsewhere but its always going to vary what clocks you see.

Thanks


My System SpecsSystem Spec
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15 Jan 2011   #2
scrooge

win 7 ( 64 bit)
 
 

i just got the Q9550 3 days ago and this thing R O C K S ...
out of the box i set it at 400 x 8.5 (3.4ghz) and voltage at 1.125 . ran the prime95 test for 12 hours no errors.
moved it up to (3.6ghz) same voltage 12 hours no errors . ( 3.7ghz) same voltage 12 hours no errors.
i'm testing it at (3.82 ghz) right now but i had to up the voltage to 1.18 and it's 4 hours and looking good.
take small steps and keep a eye on your temps and you should get a verygood overclock out of it....

Attachment 132280


scrooge
My System SpecsSystem Spec
15 Jan 2011   #3
beagrie07

Windows 7 Ultimate 64 Bit
 
 

Cool, I'll probably have a look into it all tomorrow, I'll post back again if I have any problems, cheers
My System SpecsSystem Spec
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15 Jan 2011   #4
Everlong

 

Quote   Quote: Originally Posted by scrooge View Post
i just got the Q9550 3 days ago and this thing R O C K S ...
out of the box i set it at 400 x 8.5 (3.4ghz) and voltage at 1.125 . ran the prime95 test for 12 hours no errors.
moved it up to (3.6ghz) same voltage 12 hours no errors . ( 3.7ghz) same voltage 12 hours no errors.
i'm testing it at (3.82 ghz) right now but i had to up the voltage to 1.18 and it's 4 hours and looking good.
take small steps and keep a eye on your temps and you should get a verygood overclock out of it....

Attachment 132280


scrooge
That's a nice CPU you have there then. I had to increase the voltage a bit more than what you have to get 3.6 running smoothly. Anything lower and I'd get lock ups every so often. Not tried for 3.8.

3GHz is easy to reach really. You can get that with virtually no effort. Just increase the FSB a bit and away you go.
My System SpecsSystem Spec
15 Jan 2011   #5
pparks1

Windows 7 Ultimate x64
 
 

I'm running my Q9550 at 3.2Ghz by increasing the FSB from 333Mhz with an 8.5x multiplier to 400mhz with an 8.0x multiplier. Didn't have to touch the cpu voltages one bit. And with the stock intel cooler my temps only rose about 1 degree from this modest overclock. I never even bothered to try to take this CPU any higher, as it ran stable and cool at 3.2Ghz.

This also worked very well for my RAM, as I'm running DDR2-800 Crucial and it's at 800 exactly with a 400Mhz FSB...thus I have a 1:1 with the cpu and memory.
My System SpecsSystem Spec
15 Jan 2011   #6
smarteyeball

 
 

Quote   Quote: Originally Posted by Everlong View Post
3GHz is easy to reach really. You can get that with virtually no effort. Just increase the FSB a bit and away you go.
3Ghz is an absolute walk in the park.


3.2, as mentioned is fine on stock cooling.

3-4ghz - 3.6ghz is also pretty easy but voltage and RAM tweaking may be necessary. Aftermarket cooling can also become a concern.

After that it comes down to your cooling, mobo or chip.

My Q9550 could not get stable past 3.79ghz - at 3.8 - 4.2ghz it would POST/load windows but was completely unstable no matter what.

In my case I had a high VID chip (took a lot of volts) and a flaky motherboard.


BTW, You wouldn't notice any difference @ 3ghz
My System SpecsSystem Spec
16 Jan 2011   #7
beagrie07

Windows 7 Ultimate 64 Bit
 
 

Quote   Quote: Originally Posted by Everlong View Post
BTW, You wouldn't notice any difference @ 3ghz
Hmm, perhaps 3.4GHz is better fit then? Also I'm sure that my cooling is fine, its an Antec 900 so got a few fans going including the 200mm top fan. Moved some cables round the other day to to help air flow.
My System SpecsSystem Spec
16 Jan 2011   #8
beagrie07

Windows 7 Ultimate 64 Bit
 
 

Hey

It seems i've overclocked my CPU to 3.40GHz, I'm not entirely sure on what the next step is? I suppose i'm testing for stability using Prime95?

Also heres a couple screens of what the comp says, do they seem ok? I've noticed the clock speed doesn't go all the way to 3.4GHz even though thats what wndows says its running at :/ Thanks in advance


Attached Thumbnails
-untitled.jpg  
My System SpecsSystem Spec
16 Jan 2011   #9
beagrie07

Windows 7 Ultimate 64 Bit
 
 

Quote   Quote: Originally Posted by beagrie07 View Post
I've noticed the clock speed doesn't go all the way to 3.4GHz even though thats what wndows says its running at :/ Thanks in advance
I've sorted that, just disabled C1E Support. Windows says that its running at 3.40GHz but CPU-Z doesn't go over 3.2, which one should I trust here? lol

Thanks
My System SpecsSystem Spec
16 Jan 2011   #10
Everlong

 

Quote   Quote: Originally Posted by beagrie07 View Post
Quote   Quote: Originally Posted by beagrie07 View Post
I've noticed the clock speed doesn't go all the way to 3.4GHz even though thats what wndows says its running at :/ Thanks in advance
I've sorted that, just disabled C1E Support. Windows says that its running at 3.40GHz but CPU-Z doesn't go over 3.2, which one should I trust here? lol

Thanks
Try disabling EIST (Intel SpeedStep) in BIOS as well.
My System SpecsSystem Spec
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 Overclocking Q9550




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