Owners Manual
Table Of Contents
- Precision 5720 All-in-One Owner’s Manual
- Working on your computer
- Removing and installing components
- USB dongle-bay cover
- Back cover
- Memory module
- Hard drive
- System board shield
- M.2 PCIe SSD
- Memory fan
- Heat sink
- Processor
- Coin cell battery
- WLAN card
- Stand
- System fan
- Power supply unit
- Inner frame
- Built-in self test button
- Microphone
- I/O panel
- USB-dongle port
- Diagnostic light and button board
- Drive cage
- Converter board
- Speaker
- Power button board
- Media card reader
- Camera
- System board
- Display assembly
- Middle frame
- Speaker bezel
- Display panel
- Technology and components
- System setup
- Software
- Troubleshooting
- Technical specifications
- System specifications
- Memory specifications
- Video specifications
- Audio specifications
- Communication specifications
- Connectors
- Display specifications
- Storage specifications
- Port and connector specifications
- Power specifications
- Camera specifications
- Stand specifications
- Physical specifications
- Environmental specifications
- Contacting Dell
• 3
Intel SpeedStep Allows you to enable or disable the Intel SpeedStep mode of the processor. This option is enabled
by default.
C States Control Allows you to enable or disable additional processor sleep states. This option is enabled by default.
Limited CPUID Value Allows you to limit the maximum value of the processor standard CPUID function. This options is
disable by default.
Intel TurboBoost Allows you to enable or disable the Intel TurboBoost mode of the processor. This option is enabled
by default.
HyperThread control
• Disabled
• Enabled (default)
Table 14. Power Management
Option Description
AC Recovery Determines how the system responds when AC power is re-applied after a power loss. You can set
the AC Recovery to:
• Power O
• Power On
• Last Power State
This option is Power O by default.
Auto On Time Sets time to automatically turn on the computer. Time is kept in standard 12-hour format
(hour:minutes:seconds). Change the startup time by typing the values in the time and AM/PM elds.
NOTE: This feature does not work if you turn o your computer using the switch on a
power strip or surge protector or if Auto Power is set to disabled.
Deep Sleep Control Allows you to dene the controls when Deep Sleep is enabled.
• Disabled
• Enabled in S5 only
• Enabled in S4 and S5
This option is Enabled in S4 and S5 by default.
Fan Control Override Allows you to determine the speed of the system fan. When this option is enabled, the system fan
runs at the maximum speed. This option is disabled by default.
USB Wake Support Allows you to enable the USB devices to wake the computer from standby mode. The option Enable
USB Wake Support is selected by default
Wake on WLAN This option allows the computer to power up from the o state when triggered by a special LAN
signal. This feature only works when the computer is connected to AC power supply.
• Disabled - Does not allows the system to power on by special LAN signals when it receives a
wake-up signal from the LAN or wireless LAN.
• LAN or WLAN - Allows the system to be powered on by special LAN or wireless LAN signals.
• LAN Only - Allows the system to be powered on by special LAN signals.
• LAN with PXE Boot - A wakeup packet sent to the system in either the S4 or S5 state, that will
cause the system to wake-up and immediately boot to PXE.
• WLAN Only - Allows the system to be powered on by special WLAN signals.
This option is Disabled by default.
Block Sleep Allows you to block entering to sleep (S3 state) in OS environment. This option is disabled by default.
System setup 93