> >      This limits these controllers to 40MHz or 80MB/s.
> >
> > still true?
> >
> > so this 320MB/s will be really 80MB/s?
>
> ahc (aic78xx) controllers are U160 at the most, so it looks like you have
> an ahd (aic79xx) on-board there. This is not supported in 1.6.x, but
> will work at full speed in -current.
>
thank you. is manpage planned too?

wojtek@chylonia$ man ahd
man: no entry for ahd in the manual.