Dell Precision 610 Dell Precision WorkStation 610 Mini Tower Systems User's Gu - Page 75

If you are providing values for the input/output (I/O) port or memory resources, you must enter the starting and ending addresses in hexadecimal format using the two fields provided by the Specify Memory or Specify I/O Port dialog box. Click each box in succession to enter the beginning and ending addresses, and then click OK to complete the selection. Figure 4-9 shows the two fields. A message box appears, notifying you either that the card is using its default settings or that it cannot use its default settings and must be reconfigured. NOTE: After modifying the system configuration, you must turn the system off to install, remove, or change jumper settings on the non-Plug and Play ISA expansion cards to match the settings you selected in the ICU. Modifying a card allows you to change the system resources used by a card. This feature is helpful when you want to add a card that requires resources already in use by other cards or devices in your computer. You can allocate different resources to the cards currently in your computer to free the resources necessary for the card you want to install. You can also use this feature to force Plug and Play or PCI expansion cards to use specific resource values. This procedure is called locking a card. You should lock a card Using the ISA Configuration Utility 4-11