1.
Uninstalling MLNX_OFED Using the apt-get Tool
Use the script /usr/sbin/ofed_uninstall.sh to uninstall the Mellanox OFED package. The script is part of 
the ofed-scripts package.
Updating Firmware After Installation
The firmware can be updated either manually or automatically (upon system boot), as described in the 
sections below.
Updating the Device Online
To update the device online on the machine from the Mellanox site, use the following command line:
mlxfwmanager --online -u -d <device>
Example:
mlxfwmanager --online -u -d 0000:09:00.0
Querying Mellanox devices firmware ...
Device #1:
----------
Device Type:     ConnectX-6 Dx
Part Number:     MCX623106AC-CDAT
Description:     ConnectX®-6 Dx EN adapter card, 100GbE, Dual-port QSFP56, PCIe 4.0 x16, Crypto and Secure Boot, 
Tall Bracket 
PSID:            MT_2190110032
PSID:            MT_1020120019
PCI Device Name: 0000:09:00.0
Port1 GUID:      0002c9000100d051
Port2 MAC:       0002c9000002
Versions:        Current               Available
                 FW 2.32.5000          2.33.5000
Status:          Update required
---------
Found 1 device(s) requiring firmware update. Please use -u flag to perform the update.
Updating the Device Manually
To update the device manually, please refer to the OEM Firmware Download pageathttp://
www.mellanox.com/page/firmware_table_dell?mtag=oem_firmware_download.
In case that you ran the mlnxofedinstall script with the ‘--without-fw-update’ option or you are using an 
OEM card and now you wish to (manually) update the firmware on your adapter card(s), you need to 
perform the steps below. The following steps are also appropriate in case that you wish to burn newer 
firmware that you have downloaded from Mellanox Technologies’ Web site (http://www.mellanox.com > 
Support > Firmware Download).
Get the device’s PSID.
Installing MLNX_OFED using the “apt-get” tool does not automatically update the 
firmware. To update the firmware to the version included in MLNX_OFED package, run: 
# apt-get install mlnx-fw-updater
Or, update the firmware to the latest version available on Mellanox Technologies’ Web 
site as described in Updating Adapter Firmware.