Oracle SPARC T7-4 Service Manual page 107

The levers should click into place when the module is fully seated in the server.
Connect the power cords.
5.
See "Connect Power Cords" on page
6. If the you are replacing the main module with a new one, connect a terminal or a
terminal emulator (PC or workstation) to the SER MGT port.
The following message is delivered over the serial management port.
Unrecognized Chassis: This module is installed in an unknown or
unsupported chassis. You must upgrade the firmware to a newer
version that supports this chassis.
Download the system firmware.
7.
a. Configure the SER MGT port to enable the firmware image to be
downloaded.
Refer to the Oracle ILOM documentation for network configuration instructions.
201.
Install the Main Module
Servicing the Main Module 107