Compaq.com - Compaq Presario Maintenance and Service Guide - 3500 Series
United States December 9, 2002
Maintenance & Service Guide
Presario 3500 Series Personal Computers
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Resolving Hardware Conflicts
Hardware conflicts occur when two or more peripheral devices attempt to use the same hardware
resources. I/O addresses, interrupts, and DMA channels are the most common hardware resources
used by peripheral devices.
When different peripheral devices use the same hardware resources at the same time, the devices
or the system may not function properly. You can resolve hardware conflicts by ensuring that no
devices are configured to use the same hardware resources. These resources can either be
dipswitch or jumper settings on the peripheral card or software configurable resources. The
Computer Setup selection of your Compaq Utilities allows you to view and modify the settings for
the peripheral devices factory installed in your system. Refer to the
User's Guide
for the particular
peripheral cards you wish to install for information on how to view and select their settings.
To resolve hardware conflicts:
1. Change the hardware settings of your audio card or other peripheral card in your system if the
peripheral card is using any settings used by the factory-installed devices.
2. If you are unsure of the settings of the peripheral cards, you can isolate the source of the
problem by temporarily removing all cards not manufactured by Compaq, or by resetting the
default settings and running Compaq Utilities. After that, add the cards back one at a time until
the card that is causing the conflict is found.
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