Asus P5LD2-C/IPAT - Manual (Page 80)

4-24 Chapter 4: BIOS setup
4.7 Security menu
The Security menu items allow you to change the system security settings. Select
an item then press <Enter> to display the configuration options.
2.7.1 Setup Administrator Password
Select this item to set or change the Administrator password. No password is
installed by default.
To set a Administrator Password:
1. Select the Setup Administrator Password item and press <Enter>.
2. From the password box, type a password composed of letters and/or
numbers, then press <Enter>.
3. Confirm the password when prompted.
To change the administrator password, select the Setup Administrator Password
then press <Enter>. Type the current password then press <Enter>. Follow the
steps of setting a administrator password from 2 to 3.
To clear the administrator password, select the Setup Administrator Password then
press <Enter>. Type the current password then press <Enter>. Type <Enter> when
prompted.