Dell OptiPlex GXa Reference And Installation Manual page 39

communications card can have fax, modem, and
scanner functions, each of which may have one or
more associated resources.
Figure 3-3. Card Configuration Dialog Box
7. To change any of the resource settings for the
card, select the resource setting and then click
Settings.
The Configuration Settings dialog box (see
Figure 3-4) displays the name of the resource that
you selected in the upper-left corner of the box. The
resource values currently associated with the
selected function are displayed in the Resources for
Choice box. The resource values displayed are IRQ,
DMA, Memory (Hex), and I/O Port (Hex).
Figure 3-4. Configuration Settings Dialog
Box for Assigning an IRQ Line
8. To change the resource settings, click the down
arrow next to the Configuration Choice box.
Then click the new resource setting from the list
of available settings (see Figure 3-5).
You cannot manually enter a value; you must choose
a setting from the list. If there is only one setting
listed, no other settings are available.
The setting that you select may affect the resources
available. For example, if you are offered the
Disabled option and select it, all resource values are
blank, indicating that a disabled setting uses no
resources.
Figure 3-5. Available Settings List Box
9. To change individual resource values for the
current configuration setting, select the resource
value that you want to change and click the
Options button located below the resource values
(see Figure 3-6).
For example, when you click the value under DMA,
the Options button changes to the DMA Options
button. When you click this button, a smaller dialog
box appears. By clicking the down arrow next to the
current resource value, you can display a list of the
available values for the resource.
Figure 3-6. Configuration Settings Dialog
Box for Assigning a DMA Channel
Choose the desired value and click OK. The value
you selected is displayed under the resource heading
in the Configuration Settings dialog box.
The Options button is disabled if no alternative
values are available for the selected resource.
NOTE: If you change one or more resource values
using the Options button and later change the setting
in the Configuration Choice box, the changes that
you made to the resource values are overwritten by
the default values for the new configuration choice.
10. Click OK in the Configuration Settings dialog
box when you have finished selecting resources
for the function.
Using the ISA Configuration Utility 3-5