IBM xSeries 300, Hardware Maintenance Manual, Page: 55 / 120

Replacing the fan assembly
Complete the following steps to replace the fan assembly:
1. Review the information in “Before you begin” on page 36.
2. Turn off the server and peripheral devices.
3. Remove all external cables from the server; then, remove the server from the
rack and remove the cover. For more information, see “Removing the cover”
on page 38 for instructions.
4. Remove the fan from the server:
a. Disconnect the fan cable from the system board.
b. Lift the fan away from the server.
5.
Orientate the fan so that the air flow arrow on the side of the fan is facing or
pointing toward the rear of the server.
Note: Proper air flow is from the front to the rear of the server.
Air flow
6. Push the replacement fan assembly into the server until it clicks into place.
7.
Connect the fan cable to the system board.
8. If you have other options to install or remove, do so now.
9.
Replace the cover. See “Installing the cover” on page 53.
10. Reconnect the external cables and power cords; then, turn on the peripheral
devices and the server.
Attention: If the system is shut down and there are no other problems indicated,
visually check the fans for operation.
Removing and installing a microprocessor
The server only supports one microprocessor, which is installed on the system
board in the microprocessor connector (U5).
Notes:
1.
Before you install a new microprocessor, review the documentation that comes
with the microprocessor, so that you can determine whether you need to
update the server BIOS. The latest level of the BIOS for your server is available
through the World Wide Web.
Chapter 5. Installing Options
47