On Thu, Mar 22, 2001 at 02:33:07PM +0100, wojtek@wojtek.from.pl wrote:
> but in fact it DOES depend of udma mode with drives slower that 33MB/s
> 
> for example my drive (seagate 20GB) on my VIA MVP3 motherboard with
> UDMA/33 has 13MB/s transfer speed, with same CPU with intel based
> motherboard gets 21MB/s (UDMA/33 too), on HPT336 gets 29MB/s

Then the drives must be too stupid to do simultaneous transfers and disk
reads.  So, the longer the transfer (of the RAM buffer) takes, the longer
the drive is "idle" and not reading new data off the disk.

  -jm