Users Guide

4
Updating Firmware
You can update firmware for:
The CMC
Chassis infrastructure
I/O Module
PERC
Expander and HDD
You can update firmware for the following server components:
BIOS
iDRAC7 on FM120x4 (12th generation of servers)
iDRAC8 on FC630 (13th generation of servers)
Lifecycle Controller
32–bit diagnostics
Operating System Drivers Pack
Network Interface Controllers
RAID controllers
Signed CMC Firmware Image
The CMC firmware includes a signature. The CMC firmware performs a signature verification step to
ensure the authenticity of the uploaded firmware. The firmware update process is successful only if the
firmware image is authenticated by CMC to be a valid image from the service provider and has not been
altered. The firmware update process is stopped if CMC cannot verify the signature of the uploaded
firmware image. A warning event is then logged and an appropriate error message is displayed.
When you try to upgrade CMC firmware version, CMC Firmware Update Process verifies the firmware
image in the selected version for the signature from the service provider. The firmware update is stopped,
if the signature is not found or if the verification of the image is not successful. A warning event is logged
and an appropriate error message is displayed.
When a firmware downgrade to a earlier version is attempted, CMC Firmware Update Process verifies the
firmware image in the earlier versions for the signature from the service provider. The firmware
downgrade is stopped, if the computed signature of the earlier version is not recognized by the current
CMC firmware. CMC firmware logs a warning event and an appropriate error message is displayed.
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