Changing the Hardware Configuration Setup
Changing the Hardware Configuration Setup:
An alternative way to resolve memory-address conflicts is to change the address of the conflicting hardware option.
Resolving Resource Conflicts
The resources used by the server consist of IRQs, DMA, I/O port addresses, and memory.
This information is useful when a resource configuration conflict occurs.
Conflicts in the configuration occur if:
- A device is installed that requires the same resource as another device.
(For example, a conflict occurs when two adapters try to write to the same address space.)
- A device resource is changed (for example, changing jumper settings).
- A device function is changed (for example, assigning COM1 to two serial ports).
- A software program is installed that requires the same resource as a hardware device.
The steps required to resolve a configuration error are determined by the number and
variety of hardware devices and software programs you install.
If a hardware configuration error is detected, a configuration error message appears
after the server completes POST and before the operating system is loaded.
You can bypass the error by pressing Esc while the error message is displayed.
The Configuration/Setup utility program configures the system hardware and PCI
The program does not consider the requirements of the operating system or the application programs.
See 'Resolving Software Configuration Conflicts' (below) for additional information.
Resolving Hardware Configuration Conflicts:
Use the following information to help resolve hardware configuration conflicts:
- Run the Configuration/Setup utility program to view and change resources used by the system board
Record the current settings before making any changes. (See 'Configuration/Setup Utility' for instructions.)
- Determine which adapter or device is causing the conflict.
- Change adapter jumpers or switches. Some devices use jumpers and switches to define the system
resources that the device needs. If the settings are incorrect or set to use a resource that cannot be
shared, a conflict occurs and the device will remain deactivated by the configuration program.
- Remove the device or adapter. Some configurations are not supported. If you must remove an adapter,
see 'Installing or Removing Adapters'.
Resolving Software Configuration Conflicts: The memory-address space and IRQs used
by some hardware options might conflict with addresses defined for use through application programs or the
expanded memory specification (EMS). (EMS is used only with DOS.)
If a conflict exists, one or more of the following conditions might exist:
- The system cannot load the operating system.
- The system does not work.
- An application program does not operate, or it returns an error.
- Screen messages indicate a conflict exists.
To resolve conflicts, you can change the software or hardware configuration.
NOTE: Start the Configuration/Setup utility program to view the addresses
used by the system board functions.
The best way to resolve memory-address conflicts is to change the addresses
used by the application program or the device driver. You can use the Configuration/Setup
Utility program to change addresses.
If a device driver is causing a memory-address conflict, refer to the operating-system
documentation or the documentation supplied with the device drivers.
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