Dell OptiPlex E1 User Manual download pdf (Page 39)

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.

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 only if it uses static device drivers. See "

Locking and Unlocking Cards" found later in

this chapter for more information.

NOTE: You cannot modify the resources of a Plug and Play or PCI expansion card. You can only view the resources

currently assigned and lock or unlock them.

To modify the resource settings for a listed or unlisted card, follow these steps:

1. Start the ICU as described in "

Starting the ICU" found earlier in this chapter.

2. Select the card from the list of installed cards in the ICU window, and choose Modify Card from the Configure menu

or click Modify.

If the Card Configuration dialog box appears, the selected card is listed (it has a configuration file in the ICU database).

Continue with step 3.

If the Configure Unlisted Card dialog box appears, the card is unlisted (it does not have a configuration file). Proceed to step

NOTE: When you modify an unlisted card, the ICU cannot show you the valid resources for the card. Therefore,

you must have documentation from the card manufacturer that describes the resources and resource settings that

the card can use.

3. Follow steps 7 through 9 in "

Adding a Listed Card" found earlier in this chapter. Then continue with step 4 of this

procedure.

4. Click OK to complete the card modifications and return to the ICU window.

You have completed this procedure; do not proceed to step 5.

5. To add, modify, or remove a resource value, select the box beneath the resource to be assigned, and then click

Add, Modify, or Remove, respectively.

For example, if you click the box beneath IRQ, the Add, Modify, and Remove buttons change to Add Interrupt, Modify

Interrupt, and Remove Interrupt. When you click one of these buttons, a smaller Specify list box (in this case, Specify

Interrupt) appears.

If you are providing a value for the IRQ or DMA resource, click the down arrow beneath Available Resources. Click the

value you want to assign to the resource. If the resource can be shared with another card or device, click Sharable. Then

click OK.

If none of the values for the DMA or IRQ resource 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 I/O port or memory resource, 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.

6. 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.

7. Click OK. If the card must be reconfigured, record the resource settings recommended by the ICU. Click Close to

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Dell OptiPlex E1 User Manual Page 39

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