OCing My XP 2400+

Rambo

Rambo

New Member
I got bored today, and for the first time I thought I'd take my chances at OCing. Well, all I can say is it went very well!

My CPU was running at 2 Ghz, now it's @ 2.22 Ghz!

I can get the Multiplier at 15.0x and the CPU External Frequency to 148 Mhz, but when I change it to 150 Mhz it doesn't boot. Is there anything else I can change to get it running a bit faster?

Temperature Before: ~30*C
Temperature After: ~40*C

Thanks for any help :)

EDIT: I heard that people change the 'VCore' or something like that. I dunno what that does, but just incase you wanna know what it is, it's set at 1.65.
 
try increasing the voltage to your ram a little bit, if that doesn't work you should try setting a divider on your memory.
also, make sure you have your agp/pci locks set to 66 mhz
 
1.65v is the default vCore for your chip. Try raising the vCore by the smallest one or maybe two increments and try booting. Have you been running stability tests yet?
 
TheChef said:
1.65v is the default vCore for your chip. Try raising the vCore by the smallest one or maybe two increments and try booting. Have you been running stability tests yet?
Click to expand...

Well, I played a PC game for about an hour lol, not at one point did it crash.

How would you suggest i do so?
 
i would go to the frequency setting where the system didn't boot and bump your vcore to 1.675 and see what that does for you.
 
Hairy_Lee said:
i would go to the frequency setting where the system didn't boot and bump your vcore to 1.675 and see what that does for you.
Click to expand...

Just tried that. No go... I even tried it at 1.7v and it didn't work. What would you suggest?
 
the main thing that i would think that is causing this is that you dont have your pci/agp locks enabled. i would definately look for that, if you dont have locks i think you're at the limit of what the system is capable of
 
Right, well, I was playing about with it just a minute ago, I got to the login screen of windows with it running at 2.4 Ghz. Right now I'm running it at 2.37 Ghz :D

It has a vCore of 1.7 and DDR is running at 2.6 I think. AGP Graphics Controller (or something like that can't remember) is set to Auto, although I can set it manually, and change it to 66 Mhz. I couldn't find anything like that for PCI, so maybe I don't have locks?

When I got to the login screen @ 2.4 Ghz it came up with this error:

Code: 
The instruction at "0x00000000" referenced at "0x00000000". The memory could not be "written".

Click on OK to terminate the program.

Click on CANCEL to debug the program.

When that came up I couldn't even use the mouse to click, or press tab and enter to select either button.

Right now, @ 2.37 Ghz the temperature is 35*C (Although, the temperature doesn't seem to be changing so I'm wondering whether it is even working). What program do you recommend I use to detect temperatures etc...?

I'm gonna go and try it at 2.4 Ghz one more time, although I don't think it's going to work.

:)
 
Try giving the memory more volts, seems memory related and most RAM should handle 2.7 V.
 
34erd said:
Try giving the memory more volts, seems memory related and most RAM should handle 2.7 V.
Click to expand...

Ok, I'll give that a shot now. I've got it running at 2.39 Ghz and it hasn't crashed! :D

What can I do to give it a stability test?

2.39 Ghz @ 41*C
 
prime 95 is a good stability test, set that agp setting to 66mhz. it might have a feature that keeps the agp frequency within spec but i would change it to 66 mhz because some of them dont work very well
 
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