Dell PowerEdge T420, Owner'S Manual

Page: 103 / 167

Figure 54. Removing and Installing the Power-Supply Divider
1. power supply divider
2. tabs (4)
3. screw
Non-Redundant AC Power Supply
Your system supports a non-redundant 550 W AC power supply.
NOTE: Non-redundant power supply is supported in systems with cabled hard drives and systems with an x8
backplane.
NOTE: When selecting or upgrading your system configuration, verify the system power consumption with the Dell
Energy Smart Solution Advisor at dell.com/ESSA to ensure optimum power utilization.
Removing A Non-Redundant AC Power Supply
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.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2. If applicable, rotate the system feet inward and lay the system on its side on a flat, stable surface.
103