4-6 Dell PowerEdge 6350 Systems User’s Guide&DFKHCache sets the state of the processor cache to On (default) or Off.1XP/RFNNum Lock determines whether your system boots with the Num Lock mode acti-vated on 101- or 102-key keyboards (it does not apply to 84-key keyboards).When Num Lock mode is activated, the rightmost bank of keys on your keyboard pro-vides the mathematical and numeric functions shown at the tops of the keys. WhenNum Lock mode is turned off, these keys provide cursor-control functions according tothe label on the bottom of each key.6SHDNHUSpeaker determines whether the built-in speaker is On (the default) or Off. Rebootingthe system is required for the changes to take effect.26,QVWDOO0RGHOS Install Mode determines the maximum amount of system memory available tothe operating system. When it is set to On, the maximum amount available is256 MB; when it is set to Off (the default), all system memory is available to the oper-ating system.3URFHVVRUVDQGProcessors 1, 2, 3, and 4 display the version or stepping number of each processorslot in the system. These options have no user-selectable settings..H\ERDUG(UURUVKeyboard Errors enables or disables reporting of keyboard errors during the power-onself-test (POST), which is a series of tests that the system performs on the hardwareeach time you turn on the system or press the reset button.This option is useful when applied to self-starting servers or host systems that haveno permanently attached keyboard. In these situations, selecting Do Not Report sup-presses all error messages relating to the keyboard or to the keyboard controllerduring POST. This option does not affect the operation of the keyboard itself if akeyboard is attached to the computer.%RRW6HTXHQFHBoot Sequence can be set to Diskette First (the default) or to Hard Disk Only.The termboot refers to the system’s start-up procedure. When turned on, thesystem “bootstraps” itself into an operational state by loading into memory asmall program, which in turn loads the necessary operating system. BootSequence tells the system where to look for the files that it needs to load.