HP rx5670 Hardware Installation Manual page 25

Installing Processors
CAUTION Ensure that the cache size is identical for all processors. Failure to observe this caution will
result in system failure.
Ensure that all processors are rated for use at the same speed. Failure to observe this caution
will result in performance degradation.
Processor Load Order
Processors are housed on the Processor Extender Board located under the Top Cover in the Top Service Bay.
The Processor Extender Board can hold between one and four Processors. Processors must be installed in a
specific order. The Processor installation order is shown in Table 2-2.
Table 2-2 Processor Load Order
Processor Socket
First Left Front
Second Left Rear
Third Right Front
Fourth Right Rear
CAUTION Do not modify the settings of the DIP switches located on the Processor Extender Board. These
switches are for factory use. Failure to observe this caution will result in system failure.
Removing the Processor Extender Board
To remove the Processor Extender Board, perform the following steps:
1. Press the latch on the extraction levers located on each side of the Processor Extender Board.
Chapter 2
Installing Additional Components
Installing Processors and Memory
25