User Manual
Table Of Contents
- Dell Precision 5820 Tower Owner's Manual
- Working on your computer
- Removing and installing components
- Screw size list
- Recommended tools
- Side cover
- Power supply unit (PSU)
- Front bezel
- Hard Disk Drive bezel
- Hard disk drive assembly
- Slim Optical Disk Drive
- Front input and output bezel
- Optical Disk Drive
- 5.25 inch ODD bracket
- Front input and output panel
- Input and output panel bracket
- Intruder switch
- Internal chassis speaker
- Air shroud
- Memory
- Expansion card
- Coin cell battery
- System fan
- Fan bracket
- PCIe holder
- Heat sink and CPU fan assembly
- Processor
- Front system fan
- System board
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Option Description
Boot List Option
Allows you to change the boot list options.
Click one of the following options:
• Legacy
• UEFI—Default
Advanced Boot Options
Allows you to Enable Legacy Option ROMs.
The options are:
• Enable Legacy Option ROMs—Default
• Enable Attempt Legacy Boot
UEFI Boot Path Security
Allows you to control whether the system prompts the user to enter
the Admin password when booting to a UEFI boot path.
Click one of the following options:
• Always, Except Internal HDD—Default
• Always
• Never
Date/Time
Allows you to set the date and time. The change to the system date
and time takes eect immediately.
System conguration
Table 4. System
Conguration
Option Description
Integrated NIC
Allows you to congure the integrated network controller.
Click one of the following options:
• Disabled
• Enabled
• Enabled w/PXE—Default
UEFI Network Stack
Allows pre-OS and early OS networking features to use any enabled
NICs.
• Enabled UEFI Network Stack
This option is set by default.
Serial Port
Identies and denes the serial port settings. You can set the serial
port to:
• Disabled
• COM1—Default
• COM2
• COM3
• COM4
NOTE: The operating system may allocate resources even
if the setting is disabled.
System Setup 69