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Item
Discard Changes
Restore Defaults
Save As User Defaults
Restore User Defaults
Boot Override
<List of Devices>
Launch EFI Shell from file
system device
Meaning
This item discards the changes that you have made in the BIOS Setup utility. The program will then load the
previous settings from CMOS memory. The Save and Exit menu remains open after the settings are loaded.
Before loading the previous settings, a Setup Confirmation dialog box will appear, asking you to confirm that
you have chosen to load the previous Setup configuration. Using the Tab key or the Left and Right keys, select
either OK or Cancel, and press the Enter key to continue.
You can also press the Esc key to return to the Save and Exit menu.
This item restores the default settings, for all items, from CMOS memory.
You can also press the Esc key to return to the Save and Exit menu.
This item saves all the current settings for the items as the user default settings in CMOS memory.
You can also press the Esc key to return to the Save and Exit menu.
This item overwrites any previous user default settings with the original user default settings in CMOS memory.
You can also press the Esc key to return to the Save and Exit menu.
These items correspond to the devices in the boot sequence for the Matrox Supersight SHB-5520 board.
Selecting one of the devices will cause the SHB to immediately reboot from that device.
For example, the list of devices might include the built-in EFI shell or a mass storage device.
This item launches the EFI Shell application (Shellx64.efi). The EFI Shell application can be used to test the
firmware, test the LAN, and partition hard disks.
BIOS messages
When the Matrox Supersight SHB-5520 board is booted, the BIOS performs a
POST. Once all the tasks are completed, the BIOS will proceed to boot the
operating system. If a task cannot be completed, POST will report an error to the
BIOS.
Types of POST errors
There are two types of POST errors: recoverable and terminal errors.
• Recoverable errors are non-fatal errors whose description will be displayed
on-screen. In addition to being informed of the error, you will be prompted to
either change the erroneous setting by entering the BIOS Setup utility, or continue
with the boot process.
• Terminal errors are fatal errors that will cause your computer to hang. If the BIOS
is able to boot the unit through the boot sequence and gain access to the display
controller, a message will be displayed on-screen.
BIOS messages
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