Compaq 7000 Series Maintenance And Service Manual page 190

Compaq Presario Internet PC 7000 Series Computers
PRODUCT DESCRIPTION
REMOVAL AND REPLACEMENT PROCEDURES
Resolving Hardware Conflicts
CLEARING CMOS
POWER-ON SELF
Hardware conflicts occur when two or more peripheral devices attempt to use the same
TEST (POST)
hardware resources. I/O addresses, interrupts, and DMA channels are the most common
hardware resources used by peripheral devices.
CONFIGURATION
DIAGNOSTIC
ERROR CODES
TROUBLESHOOTING
WITHOUT
DIAGNOSTICS
When different peripheral devices use the same hardware resources at the same time, the
devices and/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
computer. 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:
JUMPER AND SWITCH INFORMATION
Base I/O address
Interrupt
8-bit DMA
Change the hardware settings of your audio card or other peripheral card
1.
in your system. Make sure the peripheral card is using any settings used
by the factory-installed devices.
If you are unsure of the settings of the peripheral cards, you can isolate
2.
the source of the problem by temporarily removing all cards not
manufactured by Compaq, or 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.
TROUBLESHOOTING
220H
IRQ 5
Channel 1
United States
TROUBLESHOOTING
ILLUSTRATED PARTS CATALOG
SPECIFICATIONS