Siemens SIMATIC Rack PC 840 Manual page 89

Diskette
access
SIMATIC Rack PC 840 Manual
A5E00104826-03
This mode of protection is not active unless "Password on boot " is set to
[enabled].
[Supervisor] Diskette access is not possible unless the supervisor
password was entered during system boot.
[User] Diskette access is not possible unless the user password
was entered during system boot.
Note:
This function cannot be used under WIndows NT/2000,
since this operating system does not access the diskette
via BIOS routines. Please use the Windows NT/2000
system programs for this purpose.
Configuring the SIMATIC Rack PC 840
5-19