PC100 RAM on PC133 FSB

[Guest]

I heard that some motherboards allow the RAM frequency and the chip front side bus frequency to be set independently. Does that mean a Pentium III chip rated for a 133 MHz FSB will run at 133 MHz FSB even while the RAM runs at 100 MHz?

I would like to know if I can keep the PC100 RAM I have or if I need to throw it out for PC133 RAM. I'd appreciate any information on this issue.

Thanks in advance.

 

[Unolocogringo]

yes this has been an option on better motherboards for some time

 

[Arrow]

If your board supports this, you should be able to run it at a 4:3 FSB:memory ratio. If you're lucky, maybe your RAM will overclock to 133mhz and you won't have to do that

Rob
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[Guest]

Is there a reason to run the cpu fsb higher than the mem?
If so, what is the typical fsb limits for athlons?