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Removal and replacement procedures 20
Processor memory boards
The server supports up to four processor memory boards with AMD® Opteron™ processors.
CAUTION: Processor memory boards 1 and 2 must always be installed. The system will not boot if either
board is missing.
CAUTION: Update the ROM to be sure that the system ROM recognizes the new processor you are installing.
For the most recent ROMPaq, see the HP website, and follow the support link on the product website.
Failure to flash the ROM before installing processor memory boards can cause system failure.
IMPORTANT: Mixing processor speeds and cache sizes is not supported.
Processor memory board population guidelines
• All processors must be of the same speed and cache size.
• Processor memory boards 1 and 2 must always be installed.
• Processor memory boards 3 and 4 must be installed as a pair.
Figure 10 Locating the processor memory boards
Table 3 Processor memory boards
Item Description
1 Processor memory board slot 1 (processor)
2 Processor memory board slot 2 (boot processor)
3 Processor memory board slot 3 (air baffle)
4 Processor memory board slot 4 (air baffle)
To remove a processor memory board:
1. Power down the server. See “Powering down the server” earlier in this chapter.
2. Extend the server from the rack. See “Extending the server from the rack” earlier in this chapter.
3. Remove the access panel. See “Removing the access panel” earlier in this chapter.