KBox A-103 – User Guide, Rev. 3.0
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12.3.
The uEFI Shell
The Kontron uEFI BIOS features a built-in and enhanced version of the uEFI Shell. For a detailed description of the
available standard shell scripting, refer to the EFI Shell User Guide. For a detailed description of the available
standard shell commands, refer to the EFI Shell Command Manual. Both documents can be downloaded from the EFI
and Framework Open Source Community homepage (http://sourceforge.net/projects/efi-shell/files/documents/).
Kontron uEFI BIOS does not provide all shell commands described in the EFI Shell Command
Manual.
12.3.1.
Basic Operation of the uEFI Shell
12.3.1.1.
Entering the uEFI Shell
To enter the uEFI Shell, follow the steps below:
1.
Power on the board.
2.
Press the <F5> key (instead of <F2>) to display a choice of boot devices.
3.
Choose ‘Internal Shell’.
EFI Shell 2.31 [4660.22136]
Current running mode 1.1.2
Device mapping table
Fs0
:HardDisk - Alias hd33b0b0b fs0
Acpi(PNP0A03,0)/Pci(1D|7)/Usb(1, 0)/Usb(1, 0)/HD(Part1,Sig17731773)
Press the ESC key within 5 seconds to skip startup.nsh, and any other key to continue.
4.
The output produced by the device-mapping table can vary depending on the board’s configuration.
5.
If the ESC key is pressed before the 5 second timeout elapses, the shell prompt is shown:
Shell>
12.3.1.2.
Exiting the uEFI Shell
To exit the uEFI Shell, follow one of the steps below:
1.
Use the
exit
uEFI Shell command to select the boot device, in the Boot menu, that the OS will boot from.
2.
Reset the board using the
reset
uEFI Shell command.
