I can't access my zip drive.

Dmesg shows:
ata1-slave: <IOMEGA ZIP 100 ATAPI/23.D> floppy device - NO DRIVER!
It concerns an IDE zip drive.

What is the best thing to do ?

Thanks in advance for any help.

Maurice

Start by checking http://www.freebsd.org/tutorials/zip-drive/index.html

and in future, note that you'll generally get better results asking
questions on comp.unix.bsd.freebsd.misc instead of comp.unix.bsd.freebsd