IBM 847671U Hardware Maintenance Manual - Page 28

Configuration conflicts

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Configuration 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 that you installed 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 only the system hardware and interrupt requests. The program does not consider the requirements of the operating system or the application programs. For these reasons, memory-address configuration conflicts might occur. You can resolve some memory-address conflicts by changing the address of the conflicting hardware option, or by changing or moving the hardware. You might have to resolve other memory-address conflicts by changing some software parameters. See "Hardware configuration conflicts" and "Software configuration conflicts" on page 21, respectively, for additional information. Hardware configuration conflicts : Use the following information to help resolve hardware configuration conflicts: 1. Run the Configuration/Setup Utility program to view and change the resources that the system board functions use. Record the current settings before making any changes. (See "Configuration/Setup utility program" on page 21 for instructions.) 2. Determine which adapter or device is causing the conflict. 3. Change adapter jumpers or switches. Some devices use jumpers and switches to define the system resources that they need. If the settings are incorrect or set to use a resource that cannot be shared, a 20 Netfinity Server HMM

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Configuration 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 that you installed 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 only the
system hardware and interrupt requests.
The program
does not consider the requirements of the operating
system or the application programs.
For these reasons,
memory-address configuration conflicts might occur.
You
can resolve some memory-address conflicts by changing
the address of the conflicting hardware option, or by
changing or moving the hardware.
You might have to
resolve other memory-address conflicts by changing some
software parameters.
See “Hardware configuration
conflicts” and “Software configuration conflicts” on
page
21, respectively, for additional information.
Hardware configuration conflicts
:
Use the following information to help resolve hardware
configuration conflicts:
1.
Run the Configuration/Setup Utility program to view
and change the resources that the system board
functions use.
Record the current settings before
making any changes.
(See “Configuration/Setup
utility program” on page
21 for instructions.)
2.
Determine which adapter or device is causing the
conflict.
3.
Change adapter jumpers or switches.
Some devices
use jumpers and switches to define the system
resources that they need.
If the settings are incorrect
or set to use a resource that cannot be shared, a
20
Netfinity Server HMM