Instruction Manual
The uEFI Shell CP3003-SA/CP3003-V uEFI BIOS
Page 54 ID 1053-4014, Rev. 2.0
D R A F T — F O R I N T E R N A L U S E O N L Y
6.2.7 kflash uEFI Shell Command
kflash
FUNCTION:
Manage uEFI BIOS update
SYNTAX:
kflash [-?] [-h] [-q] [-c] [-i]
[[-p] [-v] [-s] [-r] [-f] <file>]
where:
-? Show online help
-h Show this help
-p Program flash
-i Show information string and check CRC
-v Verify flashed image
-s Save current ROM image to file
-c Clone flash content to second flash
-f Force write
-q Silent mode, no user interaction required
(for use of this command in shell scripts)
-r Raw image mode (.bin, .rom)
(expert function, not recommended for standard
usage)
<file> uEFI BIOS binary file
DESCRIPTION:
The kflash command is used to program and verify the flash banks
holding the uEFI BIOS code. uEFI BIOS binary files must be available
from connected mass storage devices, such as USB flash drive or
harddisk.
USAGE: Get help:
COMMAND / RESPONSE EXAMPLE:
Shell> kflash -?
Get help:
COMMAND / RESPONSE EXAMPLE:
Shell> kflash -h
Program the uEFI BIOS into the standard SPI boot flash:
COMMAND / RESPONSE EXAMPLE:
Shell> kflash -p BIOS_file.kfl
Note: This function will select and update the standard SPI boot flash
regardless of the DIP switch setting for boot flash selection.