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Overclocking help (800 Mhz P3)

J

Jsilver

Junior Member
Hi,

I've got an 800EB Mhz P3 chip on a MSI-6309 MB. It runs fine at 147 bus speed but I want more. Yes, I think in retrospect I should have gotten a 700 mhz chip to take advantage of the 7x multiplier, but I have what I have. Does anyone have any ideas for making this puppy run faster? I recently saw a utility for unlocking clock multipliers on AMD CPUs. Anything like that in the works for Intels?

Any help would be appreciated! Thanks in advance!
 
I don't want to burst your bubble but for PIII the multiplier is locked and I never seen anything that will unlock it. So, the only way to overclock is increasing the FSB the way you're doing it right now.
 
thanks...but i can't get to post above 147. does anyone have experience getting the bus speed higher on the MSI 6309?
 
suki's right, you're not gonna beat that clock-lock.

You can however resort to extreme cooling. What fan you have on there now? What voltage?

Bump the voltage up to 1.85 and get a monster HS/F.
If that doesn't work, you can resort to lapping (actually haven't heard of doing so to a coppermine yet) peltiers, etc.

bart
 
Heat's not a problem yet. I have a thermaltake golden orb cooler on there. It's running pretty cool at the slightly elevated bus speed, but getting it to post at above 147 mhz is a problem. I will check my voltage and post it here, but i believe i couldn't get it to post even at a higher voltage in the amibios. Maybe changing to award would help? There's gotta be a way.

Thanks for the advice...please keep it coming!
 
Are you sure you wanna go higher. You might start causing problems w/other components in your computer if you go higher than you already are.
 
I seem to have a problem with getting past 147 fsb as well on that mb as well. I upgraded the bios to 1.50 but that didnt help. It might be the memory (i'm leaning towards trying the PC150 being sold at mwave.com) or it may be the limitation of my AGP vid card (i doubt it though) or else that's all the mb can do.

 
You're not going to get much higher because you started at 133Mhz FSB with the EB as opposed to 100Mhz FSB with the E series. I think that unless you get some really high quality PC133 or Kingmax PC150, chances of going any higher are slim to none. After that you have to deal with overclocked PCI and AGP buses.

Your multiplier is actually lower at 6.0 (6.0 x 133Mhz = 800Mhz). The 700's are 7.0 x 100. The reason why the 700 cB0s were so popular was because they hit the sweet spot. You could step to to 133Mhz bus from 100Mhz without throwing the PCI bus way out of spec 1/4 vs 1/3 divider. The AGP bus would be 89Mhz on a BX board (2/3 or 1/1 only) or 66 on a VIA board (2/3, 1/1, and 1/2 divider).

Best of luck.

Windogg
 
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