Dell OptiPlex GXi Reference and Installation Guide (.pdf) - Page 51
Modifying a Card, Specify Interrupt Dialog Box, Specify, I/O Port D, ialog Box
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Figure 3-7. Specify Interrupt Dialog Box If you are providing a value for the IRQ or direct memory access (DMA) resource, click the down arrow beneath AVAILABLE RESOURCES. A smaller Specify list box appears (see Figure 3-8). Click the value you want to assign to the resource. Then click OK. Figure 3-8. Specify Interrupt List Box If none of the values for the DMA or IRQ resources match the allowable values for your unlisted card (as indicated in the card's documentation), select one of the available values offered by the utility and click OK. 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 3-9 shows the two fields. Figure 3-9. Specify I/O Port Dialog Box 8. When you have finished selecting resources for the unlisted card, click OK in the Configure Unlisted Card dialog box. 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. 9. Click OK. If the card must be reconfigured, record the resource settings recommended by the ICU. Click Close to accept the resource settings currently displayed. 10. If you had to assign a disallowed resource value to the card in steps 7, 8, and 9, click each of the other cards, and then click View until you find another card using a resource value that is allowed for the unlisted card. Reassign the resource setting for this other card using the procedure in the next section, "Modifying a Card." Then modify the resource settings for the unlisted card so that it uses an allowable value. 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 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. Using the ISA Configuration Utility 3-7