Servicing Motherboard Components 117
9. If the previous SCC module had modified ILOM configuration variables and
you recorded them, configurethe new SCC module with those values.
Related Information
■“SCC Module Overview” on page 114
■“Remove a Faulty SCC Module” on page115
■“Servicing the Motherboard Assembly” on page 117
Servicing the Motherboard Assembly
These topics explain how to remove and install the motherboard assembly.
■“Motherboard Servicing Overview” on page 117
■“Remove the Motherboard Assembly” on page 118
■“Install the Motherboard Assembly” on page 120

Motherboard Servicing Overview

The motherboard assembly must be removed in order to access the following
components:
■Power distribution board
■Power supply backplane (SPARCEnterprise T5220 server)
■Paddle card
Note – This procedure requiresremoving the server from the rack.
Caution – The server is heavy.Two people are required to remove it from the rack.
The SCC module contains system host ID and MAC addresses. If you replace the
motherboard, transfer the SCC module from the old motherboard to the new
motherboard. This action will retain the server’s original host ID and MAC address.