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Chapter 3 Installing and Configuring
28
Installing a Second Processor
This section provides the instructions for installing a second processor and its heatsink on the system board.
Figure 3-16 indicates the location of the primary and secondary processors.
CAUTION Take the following precautions when installing processors:
- Leave the processor in the anti-static bag until you are ready to install it.
- Wear an anti-static wrist strap and use a static-dissipating work surface or grounding
mat connected to the chassis when handling components.
- Before removing a processor from the anti-static bag, touch a grounded, unpainted
metal surface to discharge static electricity.
1. Unpack the processor shipping box and check the contents against its packing list.
2. Log off all users, back up files, and shut down the NOS according to the instructions in your NOS
documentation.
3. Press the power switch on the HP Server control panel when prompted by the operating system.
Normally, this completes the shutdown procedure.
WARNING Power supplies continue to provide standby current to the HP Server until the power cord
is disconnected.
4. Disconnect the AC power cord.
5. Open the side panel and lay the chassis down to gain access to the system board.
NOTE It is not necessary to remove the system board from the server to install the second
processor (CPU 2).
If you are installing both processors, you may need to remove the power connector to the
system board to have full access to the processor in the primary processor socket (CPU 1).
6. Ensure the processor speed of the second processor (CPU 2) is the same as the primary processor.
If you are upgrading the second processor to a faster processor speed than the primary processor, the
primary processor must also be changed. Both processors must have the same product number, which
includes the same clock speed, cache size, and FSB speed.
The supported processors only perform at the rated speed indicated on the processor in the HP Server.
7. Open the ZIF (Zero Insertion Force) lever to allow removal of the terminator out of the processor
socket.
To open the ZIF lever, pull the lever out away from the ZIF socket and raise it a full 90° to the system
board. See Figure 3-17.