Although, if you can be bothered to do the calculations, you find that some bus speeds work out sweeter than others (because of the number of wait-states needed by the RAM to sync to the bus).
On paper, AFAIR, the PowerSurge bus at 50 MHz delivers the same memory throughput as a PC bus at 66 MHz. One less wait state involved, I think. Overdriving the bus beyond 50 MHz usually forces another wait-state, which therefore reduces the memory throughput.
I had it all on the back of an envelope once...
GWW
I remember this. Newer Technologies once said that going beyond 52.5 MHz on the PowerSurge machines introduced another wait state to the RAM timings, thus slowing down memory transfers. Thing is that once getting to 55 MHz or so, the increased speed overcame the wait state. Every way I have been able to test this, the results were consistent: increase in bus speed gave an increase in memory transfer speed in Gauge Pro, Finder copy w/RAM Disk, XBench memory tests, etc.
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