Toshiba Satellite U920T - Manual (Page 90)

Special function
mode Press the function key by itself to use special
functions. Hold FN first to use standard F1-F12
functions.
Standard F1-F12
mode Press the function key by itself to use standard
F1-F12 functions. Hold FN first to use special
functions.
Wake-up on Keyboard
When this feature is enabled, and the computer is in Sleep Mode, you can
turn on the system by pressing any key. However, please be aware that
this option will only work with the internal keyboard and only when the
computer is in Sleep Mode.
Enabled Enables the Wake-up on Keyboard function.
Disabled Disables the Wake-up on Keyboard function.
USB
Legacy USB Support
Use this option to enable or disable USB Legacy Emulation. If your
operating system does not support USB, you can still use a USB mouse
and keyboard by setting the Legacy USB Support item to enabled.
Enabled Enables the USB Legacy Emulation.
Disabled Disables the USB Legacy Emulation.
System ON CDP Charge Mode
Enabled Rapid USB battery charge at maximum 1.5A
while PC is powered On.
Disabled Conventional USB battery charge while PC 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.
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
using the "System ON CDP Charge Mode".
When your computer battery capacity is too low to continue, "System ON
CDP Charge Mode" may not work. In those cases, connect the AC adaptor
and reboot the computer.
User's Manual 5-13