In
<[log in to unmask]>,
on 06/25/99
   at 07:59 AM, Sami Al_mohssen <[log in to unmask]> said:

>> Not yet. No processor is running at 133Mhz unless you overclock the FBS. the
>> interesting thing I want to know is how fast the PCI bus will run at 133Mhz FBS?
>> 66Mhz or still 33Mhz?
>>
>> J Qian

>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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