- Allow 0x80 to be a BIOS assigned drive number for CD-ROM.
drwxr-xr-x - freeldr
drwxr-xr-x - msvc6
drwxr-xr-x - os2
drwxr-xr-x - posix
drwxr-xr-x - reactos
drwxr-xr-x - rosapps