Re: ibook system bus speed
On Thu, 2005-03-10 at 18:10 +0000, Lee Braiden wrote:
> On Thursday 10 March 2005 17:40, Christophe Branchereau wrote:
> > So it "looks like" the pci buses on this machine are all working at
> > 66MHz, and therefore the ide bus, or am I wrong again?
>
> I think we're probably talking about the bus that connects the physical drives
> to the controller (in other words, the ide cable), rather than the pci bus
> speed.
>
> I *assume* it got progressively faster with CPUs up to 33mhz, then stayed
> constant due to design limitations, until ATA-66 came along. Not sure why
> you'd want to set it to 66 unless you have ATA-66, though, and that has a
> different kernel option iirc. I suppose there must be a few unusual
> exceptions.
Don't bother. That message is spurrious, the pmac IDE driver knows what
is the real bus speed of your machine.
Ben.
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