How do you backup a database to a mapped drive in the SQL2000 GUI?

When I try to select the drive or even qualify it I don't see it as a choice
in the drop down for drives? Thank you for your help in advance.

Elizabeth Trice
Air Force Services Agency
Dept: Network Operations Division
9504 i35 N Suite 280
San Antonio, TX 78233
210-652-5324 ext 3910
liz.[Email Address Removed]MS Sql Server LazyDBA home page