Toshiba Satellite U500 User Manual page 86

Operating Basics
However, the "USB 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.
n T he "USB Sleep and Charge function" only works for compatible ports.
This function is disabled in the default setting. To enable it, you must
change [Disabled] to [Enabled].
n W hen "USB Sleep and Charge function" is set to [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.
n U sing the USB sleep and charge function to charge external devices will
take longer than charging the devices with their own chargers.
n E xternal 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.
n W hen 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.
n If USB Sleep and Charge 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 USB
Sleep and Charge function.
n M etal paper clips or hair pins/clips will generate heat if they come into
contact with USB ports. Do not allow USB ports to come into contact with
metal products, for example when carrying the computer in your bag.
St art i n g t h e U S B S le e p a n d C h a r g e U ti l i t y
To start the utility, click Start
USB Sleep and Charge.
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All Programs TOSHIBA Utilities
User 's Manual