Personal Computer User Manual
Table Of Contents
- Hardware Owner’s Manual
- Contents
- About Your System
- Using the System Setup Program
- Installing System Components
- Recommended Tools
- Inside the System
- Removing and Replacing the Optional Front Bezel
- Opening and Closing the System
- Cooling Fans
- Cooling Shrouds
- Power Supplies
- Expansion Cards
- RAC Card
- System Memory
- Processors
- Processor VRMs
- Installing a Diskette Drive
- Installing an Optical Drive
- Hard Drives
- SAS Controller Cards
- Connecting an External SAS Tape Drive
- Connecting an External Fibre Channel Storage Device
- System Battery
- Control Panel Assembly (Service-Only Procedure)
- Fan Interposer Board (Service-Only Procedure)
- Power Distribution Board (Service-Only Procedure)
- Chassis Intrusion Switch (Service-Only Procedure)
- SAS Backplane (Service-Only Procedure)
- System Board (Service-Only Procedure)
- Troubleshooting Your System
- Safety First-For You and Your System
- Start-Up Routine
- Checking Basic Power Problems
- Checking the Equipment
- Troubleshooting Serial I/O Problems
- Troubleshooting a NIC
- Troubleshooting a Wet System
- Troubleshooting a Damaged System
- Troubleshooting the System Battery
- Troubleshooting Power Supplies
- Troubleshooting System Cooling Problems
- Troubleshooting System Memory
- Troubleshooting a Diskette Drive
- Troubleshooting an Optical Drive
- Troubleshooting a Hard Drive
- Troubleshooting a SAS Controller or SAS RAID Controller
- Troubleshooting an External SAS Tape Drive
- Troubleshooting Expansion Cards
- Troubleshooting the Microprocessors
- Running the System Diagnostics
- Jumpers and Connectors
- Getting Help
- Glossary
- Index
Installing System Components 51
Power Supplies
Your system supports two power supplies rated at an output of 1570 W. The second power supply serves
as a redundant, hot-plug power source.
NOTICE: The system is only in the redundant mode when two power supplies are installed and both power
supplies are connected to an AC power source. If some third-party components (such as PCI cards) not tested or
supported by Dell are installed, the power supplies may not be redundant at all input voltages.
NOTICE: Operating the system with only one power supply installed for extended periods of time can cause the
system to overheat.
Removing a Power Supply
1
Disconnect the power cable from the power source and the power supply you intend to remove.
2
Press the lever release latch, then open the release lever and slide the power supply out of the chassis.
See Figure 3-6.
NOTE: You may have to unlatch and lift the cable management arm if it interferes with power-supply removal.
For information about the cable management arm, see the system’s Rack Installation Guide.
Figure 3-6. Removing and Replacing a Power Supply
1 power supply 2 release lever 3 lever release latch
3
1
2