Installing MLNX_OFED Using YUM .............................................................................. 27
Installing MLNX_OFED Using apt-get Tool ................................................................... 29
Updating Firmware After Installation
............................................................................ 31
UEFI Secure Boot ........................................................................................................ 32
Performance Tuning ..................................................................................................... 33
Windows Driver Installation ............................................................................................... 34
Software Requirements ................................................................................................ 34
Downloading Mellanox WinOF-2 Driver ........................................................................ 34
Installing Mellanox WinOF-2 Driver .............................................................................. 35
Uninstalling Mellanox WinOF-2 Driver .......................................................................... 41
Extracting Files Without Running Installation ................................................................ 42
Firmware Upgrade ........................................................................................................ 44
VMware Driver Installation ................................................................................................ 44
Hardware and Software Requirements ......................................................................... 44
Installing Mellanox NATIVE ESXi Driver for VMware vSphere ...................................... 45
Removing Earlier Mellanox Drivers .............................................................................. 45
Firmware Programming
.............................................................................................. 46
Updating Adapter Firmware ....................................................................................... 47
Troubleshooting ......................................................................................................... 48
General Troubleshooting ................................................................................................... 48
Linux Troubleshooting ....................................................................................................... 48
Windows Troubleshooting ................................................................................................. 49
Specifications ............................................................................................................. 50
MCX4121A-XCAT Specifications
......................................................................................... 50
MCX4121A-ACAT Specifications ...................................................................................... 51
Airflow Specifications ........................................................................................................ 53
Board Mechanical Drawing and Dimensions......................................................................... 54
Mechanical Drawing of Dual-port 10/25 Gb/s Adapter Card ......................................... 54
Bracket Mechanical Drawing ............................................................................................. 55
Dual-port Tall Bracket
................................................................................................. 56
Finding the MAC on the Adapter Card ....................................................................... 57
MCX4121A-ACAT Board Label (Example) ........................................................................... 58
Document Revision History ........................................................................................ 59
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