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Sleep and Charge & Sleep and Music
This tab allows you to set advanced features when the power of the
computer is turned OFF. "Power OFF" includes Sleep Mode, Hibernation
Mode or shutdown state.
It also displays the remaining battery capacity.
Sleep and Charge
Your computer can supply USB bus power (DC5V) to the USB port even
when the computer is turned OFF.
This function can be used for ports that support the Sleep and Charge
function.
The port with the icon (
) has Sleep and Charge function.
Move the slider to enable or disable this function.
Enabled Enables the Sleep and Charge function. Then
you can use this function to charge certain USB-
compatible external devices such as mobile
phones or portable digital music players.
Disabled Disables the Sleep and Charge function.
The Sleep and Charge function may not work with certain external
devices even if they are compliant with the USB specification. In those
cases, turn the power of the computer ON to charge the device.
When Sleep and Charge function is enabled, USB bus power (DC5V)
will be supplied to compatible ports even when the power of the
computer is turned OFF. USB bus power (DC5V) is similarly supplied
to the external devices which are connected to the compatible ports.
However, some external devices cannot be charged solely by
supplying USB bus power (DC5V). As for the specifications of the
external devices, please contact the device manufacturer or check the
specifications of the external devices thoroughly before use.
Using the sleep and charge function to charge external devices will
take longer than charging the devices with their own chargers.
If Sleep and Charge function is enabled, the computer’s battery will
discharge during hibernation or when the computer is turned off. It is
recommended that you connect the AC adaptor to the computer when
enabling the Sleep and Charge function.
External devices connected to the USB bus power (DC5V) function
that interfaces with the power ON/OFF of the computer may always be
in an operational state.
When there is a current overflow of the external devices connected to
the compatible ports, USB bus power (DC5V) supply may be stopped
for safety reasons.
Satellite U840W series
User's Manual 5-9