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
You can set the AC Recovery to:
• Power O—Default
• Power On
• Last Power State
Auto On Time
Allows you to set the time at which the computer must turn on automatically.
Click one of the following options:
• Disabled—Default
• Every Day
• Weekdays
• Select Days
Deep Sleep Control
Allows you to dene the controls when Deep Sleep is enabled.
Click one of the options:
• Disabled—Default
• Enabled in S5 only
• Enabled in S4 and S5
Fan Speed Control
Allows you to control the speed of the system fan.
Click one of the options:
• Low
• Auto—Default
NOTE: Low = Fans run low and quite. System performance may decrease.
Auto = Fans run at optimal speed based on environmental data. System performance is maximized.
USB Wake Support
Allows you to enable USB devices to wake the system from standby.
• Enable USB Wake Support
This option is set by default.
Wake on LAN
This option allows the computer to power up from the o state when triggered by a special LAN signal.
Wake-up from the Standby state is unaected by this setting and must be enabled in the operating
system. This feature only works when the computer is connected to AC power supply.
• Disabled - Does not allow the system to power on by special LAN signals when it receives a wake-up
signal from the LAN or wireless LAN.
• LAN Only - Allows the system to be powered on by special LAN signals.
• LAN with PXE Boot - Allows the system to power on and immediately boot to PXE when it receives a
wake-up packet sent to the system in either the S4 or S5 state.
All the options are not set by default.
Block Sleep Allows you to block entering to sleep(S3 state) in OS Environment.
This option is not set by default.
System Setup 77