Dell bpcwcsn_5 User's Guide - Page 260

USB 0 through 5 (On default) Front USB Ports (On default) LPT Port Mode (PS/2 default) LPT Port Address Serial Port #1 (Auto default) Serial Port #2 (Auto default) PS/2 Mouse Port Enables or disables the USB ports on the back of the computer. Enables or disables the front USB ports. Determines the mode of operation of the internal parallel port. AT configures the port for AT compatibility. PS/2 configures the port for PS/2 compatibility. EPP configures the port for the Enhanced Parallel Port bidirectional protocol. ECP configures the port for the Extended Capability Port bidirectional protocol. NOTE: If you set the LPT Port Mode to ECP, the LPT Port DMA appears in the option menu. Determines the address that the built-in parallel port uses. Determines how the serial port operates. Auto, the default setting, automatically configures a connector to a particular designation (COM1 or COM3). Determines how the serial port operates. Auto, the default setting, automatically configures a connector to a particular designation (COM2 or COM4). Enables or disables the integrated legacy PS/2 mouse controller. Video Primary Video (Auto default) Video Memory Size (64MB default) This setting specifies which video controller is primary when there are two video controllers available (PCI, Onboard, Auto, and PEG). This selection only matters if there are two video controllers present. When Auto is selected, the add-in video controller will be used. NOTE: A PCI Express graphics card will override the integrated video controller. This setting configures the amount of system memory that is reserved for the integrated video controller. The settings are Auto, 16MB, 32MB, 64MB, 128MB, or Off. Performance 260 Advanced Features