Toshiba Satellite L550 PSLW0C-00Q008 Users Manual Canada; English - Page 182

Disclaimers Under some conditions, your computer product may automatically shutdown. 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 under "Environmental Conditions" in your computer documentation. Contact Toshiba Technical Service and Support for more information. 64-Bit Computing 64-bit processors are designed to take advantage of 32 and 64 bit computing. 64-bit computing requires that the following hardware and software requirements are met: ■ 64-bit Operating System ■ 64-bit CPU, Chipset and BIOS (Basic Input/Output System) ■ 64-bit Device drivers ■ 64-bit applications Certain device drivers and/or applications may not be compatible with a 64-bit CPU and therefore may not function properly. A 32-bit version of the operating system is preinstalled on your computer unless explicitly stated that the operating system is 64-bit. Memory (Main System) Part of the main system memory may 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 may vary depending on the graphics system, applications utilized, system memory size and other factors. Computers configured with a 32-bit operating system can address up to 3GB of system memory. Only computers configured with a 64-bit operating system can address 4GB or more of system memory. User's Manual 10-2