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10. Carefully install the memory-board assembly.
11. If you have other options to install or remove, do so now. Otherwise, go to
Replacing and troubleshooting fans
Your xSeries 450 server has four hot-swap fan assemblies, two 150 mm x 51 mm
fans and two 150 mm x 38 mm fans. The two 150 mm x 51 mm fans (fan 1 and fan
2) are located toward the front of the server and are used to cool the memory board
and processor board. The two 150 mm x 38 mm fans (fan 3 and fan 4) are located
just behind the PCI-X board and are used to cool the power supplies, PCI-X slots,
and other components.
Note: The illustrations in this document might differ slightly from your hardware.
Each fan has an LED to help you detect a problem. When the fan is operating
correctly, this LED is off. If a fan stops working, the Light Path Diagnostics feature
will light the System-error LED on the front of the server, indicating that there is a
problem and guide you to the defective fan. When this occurs, first identify the
defective fan; then, using the appropriate procedure, remove and replace the fan.
Replacing fan 1 or 2
As shown in the illustration, fans 1 and 2 are located on the right side of the server.
These fans are redundant, meaning that if one fails, the remaining fan will
temporarily speed up to properly cool the server components.
Attention:
32
xSeries 450: Option Installation Guide
j. Plug the power-module cable into the power module and into the adjacent
power-module cable connector.
9. Carefully install the processor-board assembly and retention bracket.
"Completing the installation" on page 36.
Fan 4
Fan 3
All fans must be replaced within 48 hours of failing.
Latch release
Fan 1
Fan 2
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