4-6 Dell PowerEdge 4300 Systems User’s GuideFor example, you may have a memory expansion card that needs to be addressedstarting at 15 MB. Selecting the 15M - 16M setting for Reserved Memory specifiesthat the base memory from 15 to 16 MB comes from the memory expansion card(the base memory below the 15-MB address comes from the dual in-line memorymodules [DIMMs] on the system board).Reserved Memory has the following settings:á None (the default)á 15M - 16M&386SHHGCPU Speed indicates the processor speed at which your system boots.Press the left- or right-arrow key to toggle CPU Speed between the resident micro-processor’s rated speed (the default) and a lower speed. This feature should not beused under normal operations.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.3URFHVVRUDQG3URFHVVRUProcessor 1 and Processor 2 display the version or stepping number of each proces-sor slot in the system. These options have no user-selectable settings.)DQ6SHHGFan Speed has the following settings:á Full Speed (the default) provides maximum cooling.á Noise Reduced enables quiet-mode operation.6\VWHP$OHUWSystem Alert has the following settings:á Fault (the default) causes the system LED to flash only when a critical errorthreshold has been passed.á Warning causes the system LED to flash as soon as a noncritical error thresholdhas been passed.33255bk0.book Page 6 Tuesday, August 25, 1998 8:46 AM