Toshiba Satellite M50 (PSM53) - Manual (Page 125)

TOSHIBA M50 7-4
HW Setup
Built-in LAN
This feature enables or disables the Built-in LAN.
The Wake-up on LAN function consumes power even when the system is
off. Leave the AC adaptor connected while using this feature.
Do not install or remove an optional memory module while Wake-up on LAN
is enabled.
Enabled Enables Built-in LAN function (Default).
Disabled Disables Built-in LAN function.