MSI PR601 User Manual page 80

4-9
To clear a set password, just press [Enter] when you are prompted to enter
the password. A message box will show up confirming the password will
be disabled. Once the password is disabled, the system will boot and you
can enter Setup without entering any password.
Supervisor Password allows the user to enter and change the settings of
the setup menu; User Password only allows the user to enter the setup
menu, but do not have the right to make changes.