Toshiba Portege Z10T-A - Manual (Page 136)

Total Available Graphics Memory is the total of, as applicable, Dedicated
Video Memory, System Video Memory and Shared System Memory.
Shared System Memory will vary depending on system memory size and
other factors.
Wireless LAN
The transmission speed over the wireless LAN and the distance over which
wireless LAN can reach may vary depending on surrounding
electromagnetic environment, obstacles, access point design and
configuration, and client design and software/hardware configurations.
The actual transmission speed will be lower than the theoretical maximum
speed.
Copy Protection
Applicable copy protection standards included in certain media may
prevent or limit recording or viewing of the media.
User's Manual 7-15