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10Connect the 6-pin fan tach cables from the fans to the fan tach connectors on the fan board.

11Follow the instructions in “Closing the server case” on page 30.

Replacing or adding a processor

Warning

Processors and heat sinks may be hot if the computer has been running. Before replacing a processor or heat sink, allow them to cool for several minutes.

Caution

A heat sink must be installed on the processor. Installing a processor without a heatsink could damage the processor.

The server is compatible with as many as two Intel® Xeon™ 5100 (Dual Core) or 5300 (Quad Core) Series processors. The server automatically detects the processors each time you turn it on. Whenever you install new processors, you should first install the most current version of the BIOS. For instructions, see “Updating the BIOS” on page 56.

Important

You must have a processor in the Processor 1 socket, or your server will not start. If you are upgrading your server from one processor to two, you may need to reconfigure your operating system so it can recognize the additional processor. For instructions, see your operating system’s documentation.

If you install two processors onto the system board, the processors must be the same speed, revision, core voltage, and bus speed.

To replace a processor:

1Install the most current BIOS version. For instructions, see “Updating the BIOS” on page 56.

2Follow the instructions in “Preventing static electricity discharge” on page 28. Make sure that you turn off the server, then unplug the power cord(s) and all other cables connected to the server.

3Follow the instructions in “Opening the server case” on page 29.

4Push down, then pull out and up on the two heat sink retention levers (1) and move them out of the way.

Caution

The heat sink has Thermal Interface Material (TIM) on the bottom. Be careful not to damage this material when you remove the heat sink from the processor. If removing the heat sink also pulls the processor out of the processor socket, the processor could be damaged.

5Remove the heat sink from the processor. If the heatsink sticks to the processor, rotate the heatsink slightly to loosen it.

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