Figure 15. Inside the system — Four processor system with Processor expansion module (PEM)
1.
cooling fans (6) 2. processors (4)
3. DIMMs on system board and PEM (24) 4. power supply unit (PSU) (2)
5. PSU connector 6. riser 3
7. riser 2 8. riser 1
9. System board 10. DIMMs on system board and PEM (24)
Processor expansion module (optional)
A processor expansion module (PEM) is present only in systems with four processors.
Removing the processor expansion module
Prerequisites
CAUTION: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support
team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety
instructions that are shipped with your product.
CAUTION: Do not lift the processor expansion module by grasping a memory module or heatsink.
1. Follow the safety guidelines listed in the Safety instructions section.
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