Dell PowerEdge R720 Owner's Manual Page 96
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- Table of contents
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Removing The Power Supply Blank
CAUTION: To ensure proper system cooling, the power supply blank must be installed in the second power supply
bay in a non-redundant configuration. Remove the power supply blank only if you are installing a second power
supply.
If you are installing a second power supply, remove the power supply blank in the bay by pulling outward on the
blank.
Figure 55. Removing and Installing the Power Supply Blank
1. power supply blank
Installing The Power Supply Blank
NOTE: Install the power supply blank only in the second power supply bay.
To install the power supply blank, align the blank with the power supply bay and insert it into the chassis until it clicks
into place.
System Battery
Replacing The System Battery
WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with
the same or equivalent type recommended by the manufacturer. See your safety information for additional
information.
96
- Owner's Manual 1
- Notes, Cautions, and Warnings 2
- Contents 3
- About Your System 8
- LCD Panel Features 11
- Home Screen 12
- Setup Menu 12
- View Menu 12
- Diagnostic Indicators 13
- Hard-Drive Indicator Patterns 15
- NIC Indicator Codes 17
- Power Indicator Codes 18
- Getting Started Guide 19
- Choosing The System Boot Mode 20
- Entering System Setup 21
- System Setup Options 21
- System Setup Main Screen 22
- System BIOS Screen 22
- System Information Screen 22
- Memory settings screen 23
- Processor Settings Screen 23
- SATA Settings Screen 25
- Boot Settings Screen 26
- Integrated devices screen 26
- Serial Communications Screen 27
- System Security Screen 29
- Miscellaneous Settings 30
- Boot Manager Screen 33
- UEFI Boot Menu 33
- Embedded System Management 34
- Installing System Components 35
- Installing The Front Bezel 36
- Opening The System 36
- Inside The System 37
- Cooling Shroud 39
- System memory 40
- Mode-Specific Guidelines 43
- Sample memory configurations 44
- Removing Memory Modules 46
- Installing Memory Modules 48
- Hard Drives 49
- Optical Drive (Optional) 54
- Installing The Optical Drive 55
- Cooling Fans 56
- Installing A Cooling Fan 57
- PCIe Card Holder 59
- Top Cover Lock Latch 61
- Cable Retention Bracket 62
- Installing A GPU Card 73
- Removing A GPU Card 75
- SD vFlash Card 76
- Replacing An SD vFlash Card 77
- Internal Dual SD Module 79
- Internal SD Card 81
- Network Daughter Card 83
- Processors 84
- Removing A Processor 85
- Installing A Processor 88
- Power Supplies 90
- Installing An AC Power Supply 91
- Input Requirements 92
- Kit Contents 92
- Required Tools 92
- Required Wires 92
- Removing A DC Power Supply 94
- Installing A DC Power Supply 95
- System Battery 96
- Hard-Drive Backplane 97
- 7. SAS backplane 105
- PowerEdge R720 106
- 5. SAS backplane 109
- Control Panel Board 115
- System Board 120
- Installing The System Board 122
- Troubleshooting Your System 124
- Troubleshooting A NIC 125
- Troubleshooting A Wet System 125
- Troubleshooting Cooling Fans 128
- Troubleshooting System Memory 128
- Troubleshooting An SD Card 129
- Troubleshooting A Hard Drive 130
- Troubleshooting Processors 132
- Using System Diagnostics 134
- System Diagnostic Controls 135
- Jumpers And Connectors 136
- System Board Connectors 137
- Technical Specifications 140
- System Messages 146
- Warning Messages 162
- Diagnostic Messages 162
- Alert Messages 162
- Getting Help 163
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