My understanding now is, when the FBS is 133Mhz, AGP will run at 66Mhz (2x)/133Mhz
(4x), PCI will run 1/4 of FBS which is still 33Mhz. am I right? or will there be 66Mhz
PCI bus when Intel release new chip?

J Qian

Jan Lambert wrote:

> >once the bus speed hits 100 or above the PCI speed gets devided
> >by 3 not 2 (like 66-83 case). @133 the bus speed is 44.4
>
> >sai
>
> Some boards support an Asyncronous PCI bus mode. On these boards,
> the PCI bus has it's own oscillator and can operate at 33/66 MHz
> regardless of the Front Side Bus. Sometimes this works well, and
> sometimes it doesn't. They also make provision for the normal
> Syncronous mode, where the PCI bus operates at an integer fraction
> (1/2, 1/3, 1/4, 1/5) of the FSB clock.
>
> Then there's the AGP bus to deal with....:)
>
> jan lambert

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