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104 Intel NetStructure
®
MPCBL0001 High Performance Single Board Computer
Technical Product Specification
BIOS Features
7.10 Fast Booting Systems
7.10.1 Quick Boot
Use of the following BIOS Setup program settings reduces the POST execution time.
In the Boot Menu:
• Disable Option—ROM(s) if the user configuration does not use IBA(PXE) boot, or there is no
Fibre Channel drive in the system.
• Disable Quiet Boot eliminates display of the logo splash screen. This could save several
seconds of painting complex graphic images and changing video modes.
• Enable Quick Boot bypasses memory count and the search for a removable drive.
Note: It is possible to optimize the boot process to the point where the system boots so quickly that the
Intel logo screen (or a custom logo splash screen, if implemented) is be seen. Monitors and hard
disk drives with minimum initialization times can also contribute to a boot time that might be so
fast that necessary logo screens and POST messages cannot be seen.
Note: This boot time may be so fast that some drives might be not be initialized at all. If this occurs, it is
possible to introduce a programmable delay ranging from 3 to 30 seconds using the BIOS Setup
program, IDE Configuration Submenu, Advanced Menu, IEDE Detect Time Out feature.
7.11 BIOS Security Features
The BIOS includes security features that restrict access to the BIOS Setup program and booting the
computer. A supervisor password and a user password can be set for the BIOS Setup program and
for booting the computer, with the following restrictions:
• The supervisor password gives unrestricted access to view and change all the Setup options in
the BIOS Setup program. This is the supervisor mode.
• The user password gives restricted access to view and change Setup options in the BIOS Setup
program. This is the user mode.
• If only the supervisor password is set, pressing the <Enter> key at the password prompt of the
BIOS Setup program allows the user restricted access to Setup.
• If both the supervisor and user passwords are set, users can enter either the supervisor
password or the user password to access Setup. Users have access to Setup respective to which
password is entered.
• Setting the user password restricts who can boot the computer. The password prompt is
displayed before the computer is booted. If only the supervisor password is set, the computer
boots without asking for a password. If both passwords are set, the user can enter either
password to boot the computer.
The table below shows the effects of setting the supervisor password and user password. This table
is for reference only and is not displayed on the screen.