[mythtv-users] Out of spec FSB speeds for a P3?

mechcozmo at gmail.com mechcozmo at gmail.com
Thu Dec 15 21:27:08 EST 2005


Higher bus speed I'd think would be better in this case so that data  
can go between the various parts at the fastest speed possible.   
Although because it is a frontend, the lower bus speed means lower heat.

But to answer your question... I think that it would be fine.  Not  
100% sure, but the multiplier is just "processor clock * FSB = CPU  
speed", right?  So a higher multiplier can make up for the lower FSB  
in this case.

And if it melts... well, get some nice pictures.  Video preferably.


On Dec 15, 2005, at 5:53 PM, Piers Kittel wrote:

> Hello all,
> Have come across a GA-6BXE Slot 1 motherboard from someone and a  
> Slot 1 P3 666MHz at 133MHz FSB from someone else, and I want to use  
> those 2 in a frontend.  Have found that the Slot 1 motherboard only  
> does 66/100MHz FSB and will support a maximum of a P3 650MHz at  
> 100MHz FSB.  I thought I could use the 650MHz setting but I just  
> realised 650MHz at 100MHz FSB is a 6.5 multipiler setting, while  
> 666MHz at 133MHz FSB is a 5 multipiler setting - of course this  
> might be due to my being outdated on multipilers (not played with  
> them for years) or being tired, but is it safe to run the 666MHz/ 
> 133MHz FSB processor at 650MHz/100MHz FSB at a higher multipiler?   
> Or is it best to run the processor at 500MHz/100MHz FSB at 5  
> multipiler setting?
> Thanks very much for your help in advance!
> Regards - Piers
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