Dell D28M, Service Manual

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Power management
Table 10. Power Management
Option Description
AC Recovery Determines how the system responds when AC power restored after a power loss. You can set the
AC Recovery to:
• Power Off—enabled by default
• Power On
• Last Power State
Enable Intel Speed Shift
Technology Allows you to enable or disable Intel Speed Shift Technology option. This option is enabled by
default.
Auto On Time This option enables you to set time to automatically turn on the computer. The options are:
• Disabled—enabled by default
• Every Day
• Weekdays
• Select Days
Deep Sleep Control This option determines how aggressively the system conserves power while shut down (SS) or in
the Hibernate (S4) mode. The options are:
• Disabled
• Enabled in S5 only
• Enabled in S4 and S5—enabled by default
Fan Control Override The option is not set 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 LAN/WLAN This option enables the computer to power up from the off state when triggered by a special LAN
signal. This feature only works when the computer is connected to AC power supply.
• Disabled - Does not enables 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
causes the system to wake up and immediately boot to PXE.
• WLAN Only - Allows the system to be powered on by special WLAN signals.
The Disabled option is enabled by default.
Block Sleep Allows you to block entering to sleep (S3 state) in operating system environment. This option is
disabled by default.
Post behavior
Table 11. POST Behavior
Option Description
Numlock LED Allows you to enable or disable the Numlock feature when your computer starts. This option is
enabled by default.
Keyboard Errors Allows you to enable or disable the keyboard error reporting when the computer starts. The option
Enable Keyboard Error Detection is enabled by default.
Fast Boot This option can speed up the boot process by bypassing some compatibility steps:
• Minimal — The system boots quickly, unless the BIOS has been updated, memory changed, or
the previous POST did not complete.
74 System setup