begin  quoting Tracy R Reed as of Wed, Mar 08, 2006 at 02:49:32PM -0800:
> Stewart Stremler wrote:
> > If only everyone would've invested in SCSI back in the '80s...
> 
> Given that the problem is head movement and disk rotational latency I'm
> not sure how that would have helped much.

The CPU gets involved with IDE far more than with SCSI.

You can fit a lot more SCSI disks on a controller, which means to add
more spindles you just need to add more drives.  Easy-peasy.

DMA is just a bonus.

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