Sun Oracle SPARC T3-2 Service Manual page 177

This is a cold service procedure that must be performed by qualified service
personnel. The system must be completely powered down before performing this
procedure. See "Cold Service, Replaceable by Authorized Service Personnel" on
page 67 for more information about this category of service procedures.
1. Prepare for servicing:
a. Attach an antistatic wrist strap.
b. Power off the server and unplug power cords from the power supplies.
See "Removing Power From the System" on page
c. Remove the server from the rack.
See "Remove the Server From the Rack" on page
d. Remove the top cover.
See "Remove the Server Top Cover" on page
2. Remove the System Configuration PROM from the motherboard so you can
reinstall it on the new motherboard.
3. Remove all memory risers and filler panels.
See "Remove a Memory Riser" on page
4. Remove the System Remind button assembly (air divider) by lifting it up and
away from the power supplies.
5. Disconnect all cables connected to the motherboard by completing the
following tasks.
a. Disconnect two cables that connect the motherboard to the hard disk drive
backplane.
69.
75.
76.
120.
Servicing the Motherboard 165