GR> BTW, people who are using Cyrix PR200+ at 166MHz clock and so at
GR> 83 MHz external clock and 41.5 MHz PCI clock are using a processor
GR> that performs as a chip breaker.
You can buy motherboards that will run the PCI bus asynchronously or
pseudo-synchronously. Some of those motherboards are specified to
83MHz external clock. None of those motherboards use Intel chipsets,
of course.
Benny