Dell OptiPlex GX50 User Guide - Page 55

To toggle between the rated processor speed and the compatibility speed while the computer is running in real mode, press . (For keyboards that do not use American English, press .) - Bus Speed indicates the speed of the microprocessor's system bus, or front-side bus (FSB). - Processor ID provides the manufacturer's identification code(s) for the installed microprocessor. - Clock Speed indicates the core speed at which the microprocessor(s) operates. - Cache Size displays the size of the microprocessor's level 2 (L2) cache. • Diskette Drive A identifies the type of floppy drives installed in your computer. With the standard cabling configuration, Diskette Drive A (the boot floppy drive) is the 3.5-inch floppy drive installed in the top externally accessible drive bay. The Diskette Drive A option has the following possible settings: - 3.5 Inch, 1.44 MB - Not Installed NOTE: Tape drives are not reflected in the Diskette Drive A option. For example, if you have a single floppy drive and a tape drive attached to the floppy/tape drive interface cable, set Diskette Drive A to match the characteristics of the floppy drive. • Fastboot allows your computer to boot in 10 seconds or less. The default setting is On. If you do not want your computer to skip certain configurations and tests during boot, you may set this option to Off. • Integrated Devices. This option configures the following devices integrated with the system board: Press to configure these options as explained in the following subsections. - Sound determines whether the integrated audio controller is On or Off. The default is On. Advanced Features 53