Servicing Boards and Components 143
Servicing Fan Power Boards
These topics explain how to remove and install fan power boards.
■“Fan Power Board Overview” on page 143
■“Remove the Fan Power Board” on page143
■“Install the Fan Power Board” on page 145
Related Information
■“Remove the Hard Drive Backplane” on page 152

Fan Power Board Overview

Fan power boards carry power to the system fan modules. They also contain fan
module status LEDs and carry status and control data for the fan modules.
Youmust remove both fan power boards in order to access the following
components:
■Paddle card
■(SPARCEnterprise T5220 server) Hard drive data cables
Related Information
■“Remove the Fan Power Board” on page143
■“Install the Fan Power Board” on page 145
■“Servicing Paddle Cards” on page 171

▼Remove the Fan Power Board

If you are removing the fan power boards to access the paddle card or harddrive
cage, you must remove the server from the rack. See “Remove the Server From the
Rack” on page 64.
1. Power off the server.
See “Removing Power From the System” on page 60.