1 kbiosrevision uefi shell command, Kbiosrevision uefi shell command, Am4022 uefi bios the uefi shell – Kontron AM4022 uEFI BIOS User Manual
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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] <number>
where:
-?
Show help
-lt
Check if current BIOS revision is less than <number>
eq
Check if current BIOS revision is equal to <number>
gt
Check if current BIOS revision is greater than
<number>
<number>
(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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