Actually, the rotational speed makes much more
difference than the bus speed.  ATA66 really isn't
twice as fast as ATA33, etc.  Also, the seek times on
new drives are much lower. 


--- David Deckert <[EMAIL PROTECTED]> wrote:
> Tim Cunningham wrote:
> >
> >The PowerBase already has an IDE/ATA hard drive and
> disk controller
> >(the standard HD is IDE, only the CD-ROM is SCSI),
> so you have a lot
> >of options there.  The best thing about a new HD is
> that it will not
> >just be larger but much, *much* faster--get a
> 7200RPM model.
> 
> Sure, but the motherboard controller won't be as
> fast as an ATA66 or
> later controller, the only way to get the most out
> of any newer hard
> disk upgrade. I mean, if you're gonna spend $50-$100
> on a new hard
> drive, why not go another $50-$100 and get the most
> out of it? A G3
> upgrade will further be enhanced with the faster
> disk access.
> 
> Since I'm now on the subject, can anyone say what
> the practical
> limitation these old clones have with regard to
> controller speed? 
> 
> More plainly: Would it do any good to use an ATA133
> or ATA100 controller
> and drive vs. an ATA66 controller and drive? Would
> the slow system bus
> (even a 50Mhz bus such as the PTP) see the benefit
> over ATA66? When
> does the law of diminishing returns kick in?
> 
> -David
> 
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