I did not have to make any specific changes with my A2000 / Blizzard
2060 process. Someone on the AmigaWorld forums said I should try this:
Boot with your 3.1 system, then insert the emergency disk and load
df0:devs/dosdrivers/emergency_cd into your favourite text editor.
Change device=asimatapi.device to device=scsi.device, then save changes
If it still fails, try 2nd.scsi.device- I don't know which one is used
for the IDE bus on an A4000T. IIRC it changes depending if you use IDE
and SCSI or only one of them.
If all fails, change it back to asimatapi.device and copy
asimatapi.device to the emergency disk. But this is not a good solution
because it mixes AsimCDFS with CacheCDFS drivers.