Dell Vostro 3490 Service Manual

Power management

AC Behavior
Allows you to enable or disable the computer from turning on automatically when an AC adapter is connected.

Default setting: Wake on AC is not selected.

Enable Intel Speed Shift Technology
  • Enable Intel Speed Shift Technology

Default setting: Enabled

Auto On Time
Allows you to set the time at which the computer must turn on automatically. The options are:
  • Disabled
  • Every Day
  • Weekdays
  • Select Days

Default setting: Disabled

USB Wake Support
Allows you to enable USB devices to wake the system from Standby.

NOTE: : This feature is only functional when the AC power adapter is connected. If the AC power adapter is removed during Standby, the system setup removes power from all the USB ports to conserve battery power.

  • Enable USB Wake Support
Wake on WLAN
Allows you to enable or disable the feature that powers on the computer from the Off state when triggered by a LAN signal.
  • Disabled
  • WLAN

Default setting: Disabled

Peak Shift
This option enables you to minimize the AC power consumption during the peak power times of day. After you enable this option, your system runs only in battery even if the AC is attached.
  • Enable peak shift—is disabled
  • Set battery threshold (15% to 100%) - 15 % (enabled by default)
Advanced Battery Charge Configuration
This option enables you to maximize the battery health. By enabling this option, your system uses the standard charging algorithm and other techniques, during the non work hours to improve the battery health.

Enable Advanced Battery Charge Mode- is disabled

Primary Battery Charge Configuration
Allows you to select the charging mode for the battery. The options are:
  • Adaptive—enabled by default
  • Standard—Fully charges your battery at a standard rate.
  • ExpressCharge—The battery charges over a shorter time using Dell’s fast charging technology.
  • Primarily AC use
  • Custom
If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.

NOTE: : All charging mode may not be available for all the batteries. To enable this option, disable the Advanced Battery Charge Configuration option.

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