Resolving configuration conflicts - (NF 8500R - Type 8681)
Resolving configuration conflicts
The resources used by the server consist of interrupt requests, direct memory access (DMA), I/O ports
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 that 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 IRQs.
The program does not consider the requirements of the operating system or the application programs.
See 'Resolving software configuration conflicts' 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 functions
and the installed options.
Record the current settings before making any changes.
(See 'The Configuration/Setup Utility program' for instructions.)
- Determine which adapter or device is causing the conflict.
(See 'Symptom-to-FRU index' for instructions.)
- Change adapter jumpers or switches.
Some devices use jumpers and switches to define the system resources that the devices need.
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.
- Change system jumpers or switches. See 'Jumper settings'.
- Remove the device or adapter. Some configurations are not supported.
If you must remove an adapter, see '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 server functions.
(See 'The Configuration/Setup Utility program' for instructions.)
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 that comes with the device drivers.
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