Inside The System - Dell PowerEdge R420xr Owner's 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 came with the product.
NOTE: Components that are hot-swappable are marked orange and touch points on the
components are marked blue.
Figure 10. Inside the System
1.
cooling shroud
2.
power supply units (2)
3.
storage controller card
4.
expansion-card riser 2
5.
expansion card
6.
expansion-card riser 1
7.
heat sink for processor 2
8.
DIMMs (12)
9.
cooling fans (6)
10. hard drives (4)
11. control panel
12. hard-drive backplane
36

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