User Guide
Table Of Contents
- Dell PowerEdge R720 and R720xd Owner's Manual
- About Your System
- Using The System Setup and Boot Manager
- Installing System Components
- Recommended Tools
- Front Bezel (Optional)
- Opening And Closing The System
- Inside The System
- Cooling Shroud
- System memory
- Hard Drives
- Removing A 2.5 Inch Hard-Drive Blank
- Installing A 2.5 Inch Hard-Drive Blank
- Removing A 2.5 Inch Hard-Drive Blank (Back)
- Installing A 2.5 Inch Hard-Drive Blank (Back)
- Removing A 3.5 Inch Hard-Drive Blank
- Installing A 3.5 Inch Hard-Drive Blank
- Removing A Hot-Swap Hard Drive
- Installing A Hot-Swap Hard Drive
- Removing A Hard Drive From A Hard-Drive Carrier
- Installing A Hard Drive Into A Hard-Drive Carrier
- Optical Drive (Optional)
- Cooling Fans
- Internal USB Memory Key (Optional)
- PCIe Card Holder
- Top Cover Lock Latch
- Cable Retention Bracket
- Expansion Cards And Expansion-Card Risers
- Expansion Card Installation Guidelines
- Removing An Expansion Card From The Expansion-Card Riser 2 Or 3
- Installing An Expansion Card Into The Expansion-Card Riser 2 Or 3
- Removing An Expansion Card From The Expansion-Card Riser 1
- Installing An Expansion Card Into The Expansion-Card Riser 1
- Removing Expansion-Card Risers
- Installing Expansion-Card Risers
- GPU Card Installation Guidelines
- Installing A GPU Card
- Removing A GPU Card
- SD vFlash Card
- Internal Dual SD Module
- Internal SD Card
- Integrated Storage Controller Card
- Network Daughter Card
- Processors
- Power Supplies
- System Battery
- Hard-Drive Backplane
- Control Panel Board
- System Board
- Troubleshooting Your System
- Safety First—For You And Your System
- Troubleshooting System Startup Failure
- Troubleshooting External Connections
- Troubleshooting The Video Subsystem
- Troubleshooting A USB Device
- Troubleshooting A Serial I/O Device
- Troubleshooting A NIC
- Troubleshooting A Wet System
- Troubleshooting A Damaged System
- Troubleshooting The System Battery
- Troubleshooting Power Supplies
- Troubleshooting Cooling Problems
- Troubleshooting Cooling Fans
- Troubleshooting System Memory
- Troubleshooting An Internal USB Key
- Troubleshooting An SD Card
- Troubleshooting An Optical Drive
- Troubleshooting A Tape Backup Unit
- Troubleshooting A Hard Drive
- Troubleshooting A Storage Controller
- Troubleshooting Expansion Cards
- Troubleshooting Processors
- Using System Diagnostics
- Jumpers And Connectors
- Technical Specifications
- System Messages
- Getting Help
Table 3. Supported Expansion Cards
Riser PCIe Slot Processor Connection Height Length Link Width Slot Width
1 1 Processor 2 Low Profile Half Length x8 x16
1 2 Processor 2 Low Profile Half Length x8 x16
1 3 Processor 2 Low Profile Half Length x8 x16
2 4 Processor 2 Standard Height Full Length x16 x16
2 5 Processor 1 Standard Height Full Length x8 x16
3 (default) 6 Processor 1 Standard Height Full Length x8 x16
3 (default) 7 Processor 1 Standard Height Full Length x8 x16
3 (alternate) 6 Processor 1 Standard Height Full Length x16 x16
NOTE
: To use PCIe slots 1 through 4 on the riser, both the processors must be installed.
NOTE
: PowerEdge R720xd does not support riser 3 (default).
NOTE
: The expansion-card slots are not hot-swappable.
The following table provides guidelines for installing expansion cards to ensure proper cooling and mechanical fit. The
expansion cards with the highest priority should be installed first using the slot priority indicated. All other expansion
cards should be installed in card priority and slot priority order.
Table 4. Expansion Card Installation Order
Card
Priority
Card Type Slot Priority—PowerEdge R720 Slot Priority—PowerEdge
R720xd
Max Allowed
2–Processor 1–Processor 2–Processor 1–Processor R720 R720xd
1 Dell PowerEdge
Express Flash
(PCIe SSD)
Bridge
4 Not Supported Not
Supported
Not Supported 1 0
2 GPU (double
wide)
6, 4 Not Supported Not
Supported
Not Supported 2 0
GPU (single
wide)
4, 6, 7, 5 Not Supported Not
Supported
Not Supported 4 0
3 GPU Host
Interface Card
(HIC)
4, 6 6 Not
Supported
Not Supported 2 0
4 RAID H810 7, 6, 4, 5 7, 6, 5 6, 4, 5 6, 5 4 3
RAID H710P 2 Not Supported Not
Supported
Not Supported 1 0
5 FC16 HBA Full
Height,FH
5, 7, 4, 6 5, 7, 6 4, 6, 5 6, 5 4 3
Low Profile,LP 2, 3, 1 Not Supported 2, 3, 1 Not Supported 3 3
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