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Old 02-13-2010, 09:38 PM   #1
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Default Overclock limit

Specs below. Running Windows XP. I got the FSB at 225mhz, but when I try to go over, Windows won't start. As it stands now, mobo is at 39C and CPU is at 32C, so it's not the heat. And it withstood an hr of full load as it stands now so there isn't really any instability in the cores. I was wondering if XP has a clock limit? Or if there's another problem
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Old 02-13-2010, 10:40 PM   #2
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Default Re: Overclock limit

Will it go through POST? If not, it's your vdroop. You need to up the voltage, but BE CAREFUL. If you have not dealt with voltages before, post your current voltage here and list the next step up for CPU voltage provided in your mobo's BIOS.

Also, the same for FSB voltage. Just post the number, and the next step up.
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Old 02-13-2010, 11:16 PM   #3
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Default Re: Overclock limit

You should look at the CPU core temperatures and not just the CPU temperature. You're probably pumping more VCore than your motherboard can handle.
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Old 02-14-2010, 01:54 AM   #4
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Default Re: Overclock limit

Vcore is 1.334. There isn't a next value. It lets me set my own and tells me by how much I should increase (.025 I think)
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Old 02-14-2010, 03:18 AM   #5
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Default Re: Overclock limit

Try 1.35v...

If that isnt enough, 1.375.

Small steps.

You can bump the multi too. FSB usually hits a wall quickly unless you increase voltages on other components as well. (DONT DO THIS)

If the fsb maxxes at 225, then lower it to 220, then start with the multiplier for higher OCs.
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Old 02-14-2010, 04:14 AM   #6
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Default Re: Overclock limit

In my BIOS, I don't know where the FSB limits are. What would it be marked
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Old 02-14-2010, 04:19 AM   #7
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Default Re: Overclock limit

Quote:
Originally Posted by nbrikha View Post
In my BIOS, I don't know where the FSB limits are. What would it be marked
It wont.

The fsb being too high will cause other components to crash without increased voltage.

Test it by putting multi at 10, then bumping till it cant boot then back off a few MHz.
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Old 02-14-2010, 04:27 AM   #8
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Default Re: Overclock limit

I'm 100% new at BIOS modding. which multi? I'll need full names. lol, thanks for putting up with me
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Old 02-14-2010, 04:33 AM   #9
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Default Re: Overclock limit

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Originally Posted by nbrikha View Post
I'm 100% new at BIOS modding. which multi? I'll need full names. lol, thanks for putting up with me
LOL not modding but w/e.

the cpu multiplier. Yours is a black edition right? I think all 550s are.
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Old 02-14-2010, 04:49 AM   #10
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Default Re: Overclock limit

It is. So, the cpu multiplier at 10?
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