Owners Manual
Table Of Contents
- Dell Precision 7820 Tower Owner's Manual
- Chassis
- Working on your computer
- Removing and installing components
- Screw size list
- Recommended tools
- Power supply unit (PSU)
- Side cover
- Front bezel
- Hard Disk Drive bezel
- Hard disk drive assembly
- NVMe Flexbay
- Slim Optical Disk Drive
- Front input and output bezel
- 5.25 inch ODD bracket
- Front input and output panel
- Input and output panel bracket
- VROC module
- Intrusion switch
- Internal chassis speaker
- Air shroud
- Memory
- Graphical processing unit(GPU)
- Coin cell battery
- System fan
- Fan bracket
- PCIe holder
- Rear system fan
- Front system fan
- Processor heat sink module
- System board
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Removing system board.............................................................................................................................................83
Installing the system board....................................................................................................................................... 89
System board components....................................................................................................................................... 90
Chapter 4: Technology and components.......................................................................................91
Memory configuration.......................................................................................................................................................91
Technologies list................................................................................................................................................................ 92
MegaRAID 9440-8i and 9460-16i controller............................................................................................................... 93
Teradici PCoIP................................................................................................................................................................... 95
Chapter 5: System specifications................................................................................................99
System specifications...................................................................................................................................................... 99
Memory specifications..................................................................................................................................................... 99
Video specifications........................................................................................................................................................ 100
Audio specifications........................................................................................................................................................ 100
Network specifications...................................................................................................................................................100
Card slots.......................................................................................................................................................................... 100
Storage specifications.....................................................................................................................................................101
External connectors.........................................................................................................................................................101
Power specifications........................................................................................................................................................101
Physical specifications.................................................................................................................................................... 101
Environmental specifications........................................................................................................................................ 102
CPU utilization matrix for AEP DIMM.........................................................................................................................102
Chapter 6: System Setup........................................................................................................... 103
General options................................................................................................................................................................ 103
System configuration......................................................................................................................................................104
Video................................................................................................................................................................................... 107
Security.............................................................................................................................................................................. 107
Secure boot.......................................................................................................................................................................109
Performance...................................................................................................................................................................... 110
Power management..........................................................................................................................................................111
Post behaviour.................................................................................................................................................................. 112
Manageability.....................................................................................................................................................................113
Virtualization support...................................................................................................................................................... 113
Maintenance...................................................................................................................................................................... 113
System logs........................................................................................................................................................................114
Advanced configurations................................................................................................................................................ 114
SupportAssist system resolution.................................................................................................................................. 114
Updating the BIOS in Windows ....................................................................................................................................115
Updating BIOS on systems with BitLocker enabled...........................................................................................115
Updating your system BIOS using a USB flash drive.........................................................................................115
Updating the Dell BIOS in Linux and Ubuntu environments.............................................................................116
Flashing the BIOS from the F12 One-Time boot menu..................................................................................... 116
MegaRAID controller options.........................................................................................................................................119
System and setup password......................................................................................................................................... 120
Assigning a system setup password......................................................................................................................120
Deleting or changing an existing system setup password............................................................................... 120
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