Dell Precision 3551 Setup and specifications guide
Power management
- Option
- Description
- 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
- Wireless Radio Control
- If Enabled, this feature will sense the connection of the system to a wired network and subsequently disable the selected wireless radios (WLAN and/ or WWAN).
- Control WLAN radio - is disabled
- Wake on LAN
- Allows you to enable or disable the feature that powers on the computer from the Off state when triggered by a LAN signal.
- Disabled
- LAN Only
- LAN with PXE Boot
Default setting: Disabled
- Block Sleep
- This option lets you to block entering to sleep in OS environment. When enabled system won't go to sleep.
Block Sleep - is 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
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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