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Servicing Motherboard Components 103
■ “Remove FB-DIMMs” on page 84
■ “Install Replacement FB-DIMMs” on page 86
■ “Verify Successful Replacement of Faulty FB-DIMMs” on page 88
■ “Upgrade Memory Configuration With Additional 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 103
■ “Install the Air Duct” on page 104
▼ Remove the Air Duct
You must remove the air duct before removing or installing the following
components:
■ Power distribution board
■ Power supply backplane (SPARC Enterprise T5240)
■ Fan module boards
■ Paddle card
■ Hard drive cage
■ Hard drive backplane
■ Motherboard
Caution – To prevent 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 Top Cover” on page 67
3. Open the air duct.
Disengage the rear of the air duct from the motherboard and rotate the air duct
forward.