On Wed, Mar 21, 2001 at 10:53:44AM -0800, Greywolf wrote:
> # No, with this you'll get the speed of the medium, not the speed of
> # bus. You can see a difference between Ultra/33 and Ultra/66 but not
> # Ultra/66 and Ultra/100; drives aren't fast enouth yet.
> 
> I will beg to differ on this point.
> wd0 at pciide0 channel 0 drive 0: <Maxtor 51536H2>

> wd1 at pciide0 channel 0 drive 1: <WDC WD102BA>
> 
> starjumper 501# dd if=/dev/rwd0d bs=64k count=16384 of=/dev/null
> 16384+0 records in
> 16384+0 records out
> 1073741824 bytes transferred in 32 secs (33554432 bytes/sec)
> starjumper 502# dd if=/dev/rwd1d bs=64k count=16384 of=/dev/null
> 16384+0 records in
> 16384+0 records out
> 1073741824 bytes transferred in 47 secs (22845570 bytes/sec)
> starjumper 503#
> 
> They sure look different to me!

With different disks, sure they do ;)  Try the same disk on both buses
and see if there's still a difference.

  -jm