Toshiba PX30t-C - Manual (Page 100)

Auto Mode (Default) is suitable for a wide range of digital audio players.
While using Auto Mode, your computer can supply USB bus power at
maximum 2.0A to the compatible ports while the computer is turned off.
When USB device cannot be charged by Auto Mode, change to Alternate
Mode.
This function may not be able to be used with some connected external
devices even if the appropriate mode is selected. In this situation, disable
and stop using this function.
Some external devices cannot use Auto Mode. As for the specifications of
the external devices, please contact the device’s manufacture or check the
specifications of the external device thoroughly before use.
Always use the USB cable that was included with your USB device.
System ON CDP Charge
This function enable/disable CDP (Charging Downstream Port) to use rapid
USB charge while the computer is powered on. When "System ON CDP
Charge Mode" is enabled, your computer can supply USB bus power
(DC5V, 1.5A) to the compatible ports while the computer is turned on.
To set System ON CDP Charge Mode, click Desktop -> Desktop Assist
(in taskbar) -> Tools & Utilities -> System Settings -> USB.
Enabled Rapid USB battery charge at maximum 1.5A
while PC is powered On.
Disabled Conventional USB battery charge while PC is
powered On.
The "System ON CDP Charge Mode" may not work with certain external
devices even if they are compliant with the USB specifications. In those
cases, use a USB port without "USB Sleep and Charge function" or disable
“System ON CDP Charge Mode”.
It is recommended that AC adaptor be connected to the computer while
supplying USB bus power (DC5V, 1.5A).
Always use the USB cable that was included with your USB device.
When "System ON CDP Charge Mode" or “USB Sleep and Charge
function” is enabled, the “USB Wakeup” function may not work. In that
case, use a USB port without "USB Sleep and Charge function" or disable
both “System ON CDP Charge Mode” and “USB Sleep and Charge
function”.
Sleep and Music
The Microphone jack with the icon ( ) supports the Sleep and Music
function.
Your can use your computer’s speaker for the portable audio device, even
when the power of the computer is turned OFF.
User's Manual 5-12