4-16 Sun Fire X4450 Server Service Manual • November 2009
FIGURE 4-9 Removing the Memory Riser
5. Reinstall the memory tray. See Section 4.2.2, “Installing the Memory Tray” on
page 4-13.
4.4 Servicing the Air Duct
You must remove the air duct when removing and installing the following
components:
■ Power distribution board
■ Power supply backplane
■ Paddle card
■ Motherboard
Note – This is a customer-replaceable unit.