Toshiba PORTÉGÉ X20W-D User Manual page 121

corresponding to all of the icons or switches shown on the computer
chassis.
CPU
Central Processing Unit (CPU) Performance Legal Footnotes.
CPU performance in your computer product might vary from specifications
under the following conditions:
CPU performance might also vary from specifications due to design
configuration.
Under some conditions, your computer product might automatically shut
down. This is a normal protective feature designed to reduce the risk of lost
data or damage to the product when used outside recommended
conditions. To avoid risk of lost data, always make back-up copies of data
by periodically storing it on an external storage medium. For optimum
performance, use your computer product only under recommended
conditions. Read additional restrictions in your product documentation.
Contact TOSHIBA technical service and support, refer to
section for more information.
64-Bit Computing
Certain 32-bit device drivers and/or applications might not be compatible
with a 64-bit CPU/operating system and therefore might not function
properly.
Memory (Main System)
Part of the main system memory might be used by the graphics system for
graphics performance and therefore reduce the amount of main system
memory available for other computing activities. The amount of main
system memory allocated to support graphics might vary depending on the
graphics system, applications utilized, system memory size, and other
factors.
User's Manual
use of certain external peripheral products
use of battery power instead of AC power
use of certain multimedia, computer generated graphics or video
applications
use of standard telephone lines or low speed network connections
use of complex modeling software, such as high end computer aided
design applications
use of several applications or functionalities simultaneously
use of computer in areas with low air pressure (high altitude >1,000
meters or >3,280 feet above sea level)
use of computer at temperatures outside the range of 5°C to 30°C (41
-86°F) or >25°C (77°F) at high altitude (all temperature references are
approximate and might vary depending on the specific computer
model - contact TOSHIBA support for details).
TOSHIBA support
7-17