> and thanks for the scsi tips - I am currently having a look at what is
> in ftp://ftp.psg.com/pub/adaptec - it looks promising...

and in particular, the SCSICNTL.EXE utility that kindly told me that
for 108-180 sectors per track, I should read 152. The above program I
think only works for the adaptec 1542B cards though.

Cheers,

 Patrick