ADLINK iSeries Monitor 18/21 - Manual (Page 75)

BIOS Setup 63
TPZ-1300
B.5 Security
If only the Administrator’s password is set, only access to Setup is
limited and requests the password. If only User’s password is set,
the password is requested at power up to boot or enter Setup, in
which the user is grated Administrator rights.
Administrator Password
Sets Setup Administrator password
User Password
Sets Boot/Setup User password