Dell Precision Mobile Workstation M4800 Owner's Manual page 63

Option
Deep Sleep Control
USB Wake Support
Wireless Radio Control
Wake on LAN/WLAN
Block Sleep
Peak Shift
Advanced Battery Charge
Configuration
Description
Controls where Deep Sleep is enabled. The options are:
• Disabled (Default Setting)
• Enabled in S5 only
• Enabled in S4 and S5
Allows you to enable the USB devices to wake the computer from
standby mode. The option is disabled
• Enable USB Wake Support
Allows you to control the WLAN and WWAN radio. The options are:
• Control WLAN radio
• Control WWAN radio
Default Setting: both the options are disabled.
This option allows the computer to power up from the off state when
triggered by a special LAN signal. Wake-up from the Standby state is
unaffected by this setting and must be enabled in the operating system.
This feature only works when the computer is connected to AC power
supply.
• Disabled - Does not allow the system to power on by special LAN
signals when it receives a wake-up signal from the LAN or wireless
LAN. (Default Setting)
• LAN or WLAN - Allows the system to be powered on by special LAN
signals or WLAN 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 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.
Allows you to block the computer from entering into the sleep state.
This option is disabled by default.
• Block Sleep (S3)
Peak Shift can be used to minimize AC consumption during peak power
times of day. For each weekday listed, set a start and end time to run in
Peak Shift mode. During these times the system will run from the battery
even if the AC is attached as long as the battery stays above the
threshold specified in the Battery Threshold field. After the end time
specified the system will run from AC if attached but will not charge the
battery. The system will again function normally using AC and recharging
the battery after the Charge Start time is specified. This option is disabled
by default.
• Enable Peak Shift
This places all batteries in the system in Advanced Battery Charging
Mode to maximize battery health. In Advanced Charging Mode the
system will use standard charging algorithm and other techniques during
non-work hours to maximize battery health. During work hours express
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