> Now I use a promise udma/100 which works without problems...
> The only thing is that it downgrades the transfermode (pio 4, udma/33)...
> because of a crc error or read error...
> (cannot post dmesg, because I am at work now)

I got that as well on my 7300 running a Tempo Trio ATA/133 card; the
transfers would get downgraded to DMA mode 2 after a CRC error. Eventually
I grew tired of the error, even though it was benign, and altered the
kernel just to do it by default. I *also* reported this error some time
ago.

-- 
---------------------------------- personal: http://www.armory.com/~spectre/ --
 Cameron Kaiser, Floodgap Systems Ltd * So. Calif., USA * ckaiser@floodgap.com
-- God made the integers; all else is the work of Man. -- Kronecker -----------