Standard on servers like the x3650 M4 and M5. This generation moved to the Features on Demand (FoD) system, where activation is handled entirely via a software key file (.key) tied to the server's serial number. How to Install Your Activation Key
The server comes with a default IP address for the IMM of 192.168. 70.125. Lenovo Documentation ibm imm remote control activation key
While basic IMM functionality allows for monitoring server health and power cycles, the or Premium key unlocks the following critical features: Standard on servers like the x3650 M4 and M5
Allows you to map a local CD/DVD drive, ISO image, or USB flash drive to the remote server, enabling remote OS installations and firmware updates. ibm imm remote control activation key
Obtaining the IP address for the IMM | System x3650 M4 HD | Lenovo Docs