Using the Resource Configuration Utility 5-7/RFN8QORFN%RDUGVWhen youlock an expansion card, the RCU cannot change the resources allocated tothat card.Unlocking the card allows the system to change the resources automaticallyas new cards are added. The default for the Lock/Unlock Boards category isUnlocked. Dell recommends that you keep your cards unlocked so that the RCU cando its job properly.NOTE: If changes are made to the hardware or System Setup configuration, locks maynot be maintained.9LHZ$GGLWLRQDO6\VWHP,QIRUPDWLRQ0HQXThe RCU contains detailed information about the system board and the used andavailable resources. The options for the View Additional System Information Menucategory are:á Board Specificationsá System Specificationsá Used Resourcesá Available ResourcesThe Used Resources and Available Resources options contain detailed informationabout resources such as IRQs, DMA channels, and I/O ports, which may be useful ifyou need to resolve a resource conflict.6HW9HULILFDWLRQ0RGH0HQXThe settings for the Set Verification Mode Menu category are Automatic (thedefault) and Manual. When this category is set to Automatic, the RCU automaticallychecks for resource conflicts and tries to resolve them. Unless you are technicallyknowledgeable, leave this category set to Automatic.0DLQWDLQ6&,)LOHV0HQXEach time you use the RCU to configure your system, the system configuration infor-mation is saved in a .sci file and in system memory. You should save the systemconfiguration information to a backup file that can be used to restore the information ifthe .sci file is damaged or lost. The options for the Maintain SCI Files Menu categoryare Open (the default) and Save As.The Open option creates a backup file that overwrites the existing configuration. TheSave As option allows you to select the filename under which you want the .sci filesaved.