2. Turn off the server and peripheral devices; then, disconnect the power cords
and all external cables necessary to replace the device.
3. Remove the left-side cover (see “Removing the left-side cover and bezel” on
page 57).
4. Remove all fans from their cages.
5. Remove the front fan cage:
a. Press in on the release tabs on each side of the fan cage. The cage will be
pushed up slightly.
b. Grasp the fan cage and lift it out of the server.
6. If necessary remove the rear fans structure:
a. Lift or remove the air duct from the cage.
b. Grasp the rear fan cage and lift it up until it disengages from the pins on the
chassis; then, remove it from the server.
7. Note the location of all the cables connected to the system board; then,
disconnect them. If the rear fan was installed you will have to remove the fan
power cable from the server. Place the cable in a safe place for future use.
8. Press the system-board tray release latch toward the front of the server.
9. Using the two handles on each side of the system-board tray, lift the
system-board tray out of the server.
To install a system-board tray, complete the following steps:
1. Lower the replacement system-board tray into the server.
2. Slide the microprocessors system-board tray toward the rear of the server until
it stops; then close the system-board tray release lever. The system-board tray
will be pushed into its final position.
3. Connect the cables to the system board. If you removed the rear fan power
cable install it now as well.
4. Install the microprocessor or microprocessors (see “Removing and installing a
microprocessor”); then, install the fans, fans cage or cages, and air baffles.
5. Remove the socket covers from the microprocessor sockets on the new system
board and place them on the microprocessor sockets of the system board you
are removing.
Removing and installing a microprocessor
To remove a microprocessor, complete the following steps:
1. Read the safety information that begins on page vii and “Handling
static-sensitive devices” on page 57.
2. Turn off the server and peripheral devices, and disconnect the power cords and
all external cables necessary to replace the device.
3. Remove the left-side cover (see “Removing the left-side cover and bezel” on
page 57).
Notes:
a. If you are removing the microprocessor in socket 1, rotate the power-supply
cage out of the way before continuing. See “Power-supply cage” on page
86.
b. If you are removing the microprocessor in socket 2, remove the air baffle
from the fan cage by pinching the two tabs on the air baffle together while
lifting the air baffle out of the server.
c. Do not use dual-core and quad-core processors in the same system.
4. Lift the heat-sink release lever to the fully open position.
Chapter 4. Removing and replacing server components 91
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