Well, you have two options then - an older SFS version that someone can vouch for.
OR - the patched files I'll put in the zone for you. Yes, they even work in Workbench 2.0 as pointed out by the great Thomas himself (google translated link, original in German):
http://translate.google.co.uk/transl...hdd/index.html
I think the patched FFS can work with IDE-fix, you don't have to use the patched SCSI-device I've put in the pack, but someone might have to confirm that.
This is the method I'll be using for the new ClassicWB packs, which use Workbench 2.0, 3.0 and 3.1.