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Intel Sandy Bridge i5 2500

Last response: in Overclocking
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May 27, 2011 9:30:24 AM

Hello,

I have the Intel Sandy Bridge i5 2500. (not the K version).

In what ways is this chip limited for overclocking? Can it be overclocked? Can it be unlocked?

Thanks,

Nevica
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May 27, 2011 9:39:07 AM

Can it be unlocked? No.

Can it be overclocked? Yes, but only by +400MHz Turbo.

The standard maximum Turbo speed for i5-2500 is 3.7GHz. It can be overclocked to a maximum of 4.1GHz via multiplier. You can also overclock the BCLK by a limited amount. If you're very very very very lucky, you might get 4510MHz total (41 x 110MHz BCLK) -- most cannot get BCLK that high though.
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May 27, 2011 9:43:04 AM

Can it be overclocked? Yes, but only by +400MHz Turbo.

Please explain what you mean?

BCLK (Base Clock Frequency). Can I adjust this in the bios?

Nevica
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May 27, 2011 4:19:25 PM

Ummm. I did explain ... right below that.

Quote from my first reply: "The standard maximum Turbo speed for i5-2500 is 3.7GHz. It can be overclocked to a maximum of 4.1GHz via multiplier." <--- the +400MHz Turbo explanation.

The multiplier is adjusted in the BIOS.

And yes, BCLK can be adjusted in the BIOS.

Both can also be adjusted by overclocking software that usually comes on the CD with the mainboard.
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a c 100 K Overclocking
May 27, 2011 5:33:13 PM

The base clock of the sandy bridge CPUs is tied into everything and can mess things up. As far as I know it can only be increased by about 5-10mhz, unlike previous gen where people take it from 133 to over 200.
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May 28, 2011 5:27:27 AM

it can be increased by more than that, it will just fail...

but you are correct. :) 
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