managing pascal untyped file over cd-rom

I need to read data from an untyped pascal file. The problem is that the
file is stored over a cdrom and wher i try to open it with assigfile
function and Reset(F) function the application raise an exception with
message "Access denied". How can i solve my problems ?

Michele Ugatti
Logicom S.n.C.
log...@logiko.it