please report this obvious driver bug
to hddriver forum via uwe's site
other than this
many people report problems with scsi drives since v 8.12
try to find 8.13 on another place or v7.8x uwe will give you a copy to try out!!!
you may find it cures your problems while you wait for uwe to fix it as he will im sure
if you report it in the right place
if he does not 'see' a bug its because he does not have the hardware
i have a spare zip scsi i think i will send him.... this is the way... to perfection for sure...http://www.seimet.de/atari/forum/
my advice is to reset the driver within the floppy copy
load it and go to reset ...
then COLD BOOT CTRL ALT RSHIFT DEL
then use auto detect
and then set up the scsi drivers via options
you MUST study the manual fully.