Dell PowerEdge R940 Installation and Service Manual

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Inside the system

CAUTION:Many repairs may only be done by a certified 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.
Figure 1. Inside the system — Two processor system
This image shows the view inside the system of a two processor system.
  1. hard drive/SSD backplane with expander board
  2. cooling fan (8)
  3. heat sink (CPU1)
  4. storage controller card
  5. network daughter card riser
  6. system board
  7. heat sink (CPU2)
  8. memory module (24)
  9. NVDIMM-N battery
  10. information tag
Figure 2. Inside the system — Four processor system with processor expansion module (PEM)
This image shows the view inside the system of a four processor system.
  1. hard drive/SSD backplane with expander board
  2. cooling fan (8)
  3. air shroud
  4. heat sink (CPU3)
  5. left expansion card riser
  6. storage controller card
  7. network daughter card riser
  8. system board
  9. processor expansion module (PEM)
  10. right expansion card riser
  11. heat sink (CPU4)
  12. memory module (48)
  13. NVDIMM-N battery
  14. information tag

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