Vostro 5501 Setup and specifications guide

Power management

Table 1. Power ManagementThe table describes the power management options.
Option Description
Battery Configuration

Allows the system to run on battery during peak power usage hours.

The options are:
  • Adaptive—enabled by default
  • Standard
  • ExpressCharge
  • Primarily AC Use
  • Custom
NOTE: If Custom Charge is selected, you can also configure Custom Charge Start and Custom Charge Stop.
Advanced Configuration

This option enables you to maximize the battery health.

By default, the Enable Advanced Battery Charge Mode option is disabled.

NOTE: The user can charge battery using feature Beginning of Day and Work Period.

By default, Work Period is disabled.

Use ExpressCharge for accelerated battery charging.

Peak Shift

Allows the system to run on battery during peak power usage hours.

Peak Shift - By default, this option is disabled.

NOTE: The user can:
  • Set Battery Threshold Min = 15, Max = 100
  • Prevent AC power between certain times of the day using Peak Shift Start, Peak Shift End, and Peak Shift Charge Start.
Thermal Management

Allows cooling of fans and the processor heat management to adjust system performance, noise, and temperature.

The options are:
  • Optimized—enabled by default
  • Cool
  • Quiet
  • Ultra Performance
USB Wake Support
Enable USB Wake Support
Allows you to enable USB devices to wake the system from standby mode.

By default, the option Enable USB Wake Support is disabled.

Wake on Dell USB-C Dock
Allows you to connect a Dell USB-C Dock to wake the system from standby mode.

By default, the option Wake on Dell USB-C Dock is enabled.

NOTE: These features are only functional when the AC power adapter is connected. If the AC power adapter is removed before Standby, the BIOS removes power from all USB ports to conserve battery power.
Block Sleep

This option enables you to block entering to sleep (S3) mode in operating system environment. By default, the Block Sleep option is disabled.

NOTE: When Block Sleep is enabled, the system does not go to sleep. Intel Rapid Start gets disabled automatically, and the operating system power option remains blank if it was set to Sleep.
Lid Switch

Allows you to disable the lid switch.

The options are:
  • Enable Lid Switch—enabled by default
  • Power On Lid Open—enabled by default
Intel Speed Shift technology

Allows you to enable or disable the Intel Speed Shift Technology support. By default,Intel Speed Shift technology is enabled. Enabling this option allows the operating system to select appropriate processor performance.


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