Toshiba Satellite P875 - Manual (Page 114)

Disabled Disables the Wake-up on Keyboard function.
(Default)
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. (Default)
Disabled Disables the USB Legacy Emulation.
Internal USB 3.0 controller
Use this option to enable or disable the internal USB 3.0 controller. If
Disabled is selected, the internal USB 3.0 port(s) on the computer will work
as USB 2.0 port(s), which will save power.
Enabled Enables the internal USB 3.0 controller. (Default)
Disabled Disables the internal USB 3.0 controller.
LAN
Wake-up on LAN
This feature lets the computer's power be turned on from shutdown when it
receives a wake-up packet (Magic packet) from the LAN.
The Wake-up on LAN function consumes power even when the
system is off. Leave the AC adaptor connected while using this
feature.
Regarding Wake-up on LAN from sleep or hibernation, you must
check the "Allow the device to wake the computer" check box within
the LAN Device properties. (This feature does not effect the Wake-up
on LAN from sleep or hibernation.)
Power will be automatically turned on when a signal is received from an
administrator's computer which is connected via a network.
The following settings can be changed when the Built-in LAN is Enabled.
Connect the AC adaptor when using the Wake-up on LAN function. The
battery retention time will be shorter than the times listed in this manual
when this function is enabled.
Enabled Enables Wake-up on LAN from shutdown.
Disabled Disables Wake-up on LAN from shutdown.
(Default)
P870/P875
User's Manual 4-15