Kontron AM4022 uEFI BIOS - Manual (Page 47)

AM4022 uEFI BIOS The uEFI Shell
ID 1052-1333, Rev. 1.0 Page 41
6.2.1 kbiosrevision uEFI Shell Command
kbiosrevision
FUNCTION: Get BIOS revision
SYNTAX:
kbiosrevision [-?|-lt|-eq|-gt]
where:
-? Show help
-lt Check if current BIOS revision is less than
eq Check if current BIOS revision is equal to
gt Check if current BIOS revision is greater than
(BIOS) revision number
DESCRIPTION: The kbiosrevision command is used to display the current BIOS
revision.
In scripting environments it can be used to perform checks against a
BIOS revision number provided in the script.
USAGE: Display current BIOS revision:
COMMAND / RESPONSE:
Shell> kbiosrevision
BIOS revision: 12
Check if current BIOS revision is equal to R12:
(used within EFI shell script)
kbiosrevsion -eq 12
if not %lasterror% == 0 then
echo "NOT R12, need to update"
goto _update
else
"EFI R12 found"
endif
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