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Overclocking CPU

Oddw1re

Oddw1re

Oddw1re

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Joined
28 Feb 2007
Posts
969
Location
Leeds/Sunderland
Can some one help me and tell me what to change in the bios to overclock my cpu.
I have put my ram volts up by 2 because thats the default for my ram.
Here's a image to help.
untitled.jpg

thx
Oddw1re
 
Change 'CPU Host Clock Control' to enabled.

Then you will be able to adjust the fsb in the option below it :)
 
not really, u've got a pentium. and they don't really need extra voltage, unless ** going mad with the speed.

I take it u've readeded the FAO that are stickyed on the fourm ?! as these are amazing with there information
 
Oddw1re said:
But below 'CPU Host Clock Control' is 'CPU Host Frequency'. So you want me to up that?
Click to expand...

Yes, do it in stages of approx 10-15mhz do a reboot then go back in the bios and add another 10-15 mhz until your happy then boot into windows and run prime or S & P to check for stability.

Rob

Edit you may need to change your memory multiplier to a lower value if you get into problems.
 
Oddw1re said:
So do i have to change fsb at all?
Click to expand...
In that BIOS, "CPU Host Frequency" is the FSB. Different BIOSes can use different names for things. That can be confusing.

If you do overclock, I advise using something to tell you what speed the memory is actually running at, which is not necessarily what the setting in the BIOS says. You may need to change that to compensate. I don't know the details of your system, so I can't say for sure. CPU-Z is a free download that'll do the job.
 
This is what i have got so far.
cpu.jpg

Heres the ram if you could tell me if anything needs doing that would be great.
memory.jpg
 
Looks good, thats it running at 3ghz. Try running orthos and stressing both cores to see if it's stable.

You need to take a screenshot of the memory tab on cpu-z. :)
 
Your multiplier is wrong. Force "CPU Clock Ratio" as high as it will go, and turn off Speedstep or anything else that might resemble a power saving mode. At the moment it's being decreased to x6 for Windows use, and as such the total clock speed is wrong.:)
 
30mins is long enough to give you an indication of stability, but for a final overclock you should do it for a good few hours.

Jokester
 
That's good. Post a screenshot of the memory tab too. Because the motherboard uses dividers (the FSB does not always = mem speed) the actual mem speed might not be what BIOS says.

You should make sure that CPUz reports the RAM's speed to be within its capability, and that the timings are what the SPD table tells you. If not, then slacken the timings or reduce the RAM speed in BIOS. Get a decent, stable CPU overclock first then think about making the RAM catch up.:)
 
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