100 SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Related Information
■“Identify Faulty FB-DIMMs Using the show faulty Command” on page 83
■“Remove FB-DIMMs” on page 85
■“Install Replacement FB-DIMMs” on page 87
■“VerifySuccessful Replacement of Faulty FB-DIMMs” on page 89
■“Upgrade Memory Configuration WithAdditional FB-DIMMs” on page 91
Servicing the Air Duct
These topics explain how to remove and replace the air duct.
■“Remove the Air Duct” on page 100
■“Install the Air Duct” on page 101

▼Remove the Air Duct

Youmust remove the air duct before removing or installing the following
components:
■Power distribution board
■Power supply backplane (SPARCEnterprise T5220)
■Fan module boards
■Paddle card
■Hard drive cage
■Hard drive backplane
■Motherboard
Caution – Toprevent the system from overheating, ensure that the air duct is
correctly installed before powering on the server.
1. Slide the system out of the rack.
See “Extend the Server to the Maintenance Position” on page 63.
2. Remove the top cover.
See “Remove the TopCover” on page 67