MAXREC= is not supported. Take it out and all should
be fine.
[bdavis@gfortran gfc]$ cat aa.f
open(unit=datlun,access='direct',status='new',recl=185)
end
[bdavis@gfortran gfc]$ g77 aa.f
any other problems, all of us at gcc-help would be
glad to help.
regards,
bud davis