A little help please..

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Hi, I'm a bit of a noob when it comes to overclocking so need some advice.

I'm trying to oc a P4 2.53 northwood on an asus P4T533-C with 1Gb of PC1066 RDRAM. I flashed the BIOS to the newest version and started to adjust the fsb. Unfortunatly it seems the PCI clockrate is derived from the fsb as described in the beginners guide sticky.

I've managed to up the fsb/pci to 140/35 (the multiplyer is locked at x19) to give me a stable (so far!) system at 2.66GHz.


Any higher than this at the machine crashes and reboots. So my question is, what are my options to get more out of this beast? Or is it the case that this mb just isn't set up to OC and this is the best i'll get out of it?

Thanks
 
It seems i spoke too soon, my machine just crashed. I've lowered the fsb/pci to 138/34 giving me 2620MHz but i'm guessing that its the pci clock that spoiling the party.

I'm running stock volts and have a decent heatsink and fan so the cpu temp is at a happy 38c.

Any ideas people?
 
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