OC FSB or multiplier?

Sketchy

Distinguished
Oct 24, 2003
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18,510
I have a barton 2800+ and i was wondering whether i ought to be concentrating on the FSB or the multiplier when overclocking?

Currently it's set on 166/13.0 - I know it can handle 168x13.0 cos i've tried, but this setup is stable and quick. I reckon my coolings pretty ok i have 2 in and 3 exhaust fans on my case and an aero7 on my CPU - when i open my case it feels cooler than my room in there. SiSoft Sandra is reporting 37.5°C which i can live with.

Now forgive me for being obsessive but i've seen ppl with similar systems to mine getting up to 2000pts more on 3dmark2001 and i'd been wondering whether the FSB speed was something to do with this. In general my system lost to the comparisons on the games but beat them on the fill-rate's, shaders, etc. so obviously i don't really care about fill-rate, etc. if my games are running like crap!!!

So - after all that, should i be looking at FSB overclocking rather than multiplier?
 
Fsb overclocking will be better then the multipier. Reason, because you are increasing the fsb and the cpu at the same time . Multiplier only does the cpu, it is easier to do since it does not up the speed of your ram and fsb.

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What mobo do you have?

-Intel PIV 2.6C @ 3.575G -Asus P4P800 -OCZ Copper 2x256 4000EL memory @ 275mhz 3-4-4-8 -Sapphire 9800np @ 432/760 -SB audigy -120G Maxtor Diamond Plus9 S-ATA150 hdd -450 Enermax PSU
 
ALWAYS better to jump the clock speeds instead of the multiplier. Youll achieve better bandwidth on both the CPU and Memory. When you increase the multiplier, you increase the percentage of crashes by a good margin. Just jump that CPU to 200 fsb, but you may have to lower the multiplier a litter. Could try 200x11 (2.2ghz) first and work your way up. Just a suggestion there...

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