i was once make it for cdtv drive, i think its on aminet in hack directory, mazby it helps too:
----- from
http://www4.ncsu.edu/~hgm/amiga/altdskdrvs.txt -----
This will make the original internal think that it is now df1:
2) There is a jumper just beneath the ribbon cable (for the floppy drives) just
as the ribbon comes out of the motherboard. You must dig up your own jumper and
slide it down over the two "pins" here (this is jumper J301 next to connector
CN 303 as shown on page F-12 of the Amiga 2000 Schematics in the "Introduction
to the Commodore Amiga 2000" book that everyone gets with their Ami).
or look on that link
