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On 07-12-07 15:54, Andi Kleen wrote: >> My machine in question, for example, needs no waiting within CMOS_READs >> at all. And I doubt any other chip/device needs waiting that isn't > > I don't know about CMOS, but there were definitely some not too ancient > systems (let's say not more than 10 years) who required IO delays in the > floppy driver and the 8253/8259. But on those the jumps are already > far too fast. Also see Alan's replies in the thread I posted a link to: http://linux.derkeiler.com/Mailing-Lists/Kernel/2003-09/5700.html Also 8254 (PIT) at least it seems. Rene. | ||||||||||
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