IBM 865531Y Hardware Maintenance Manual - Page 105

Adapter configuration, Plug and Play adapters, Legacy adapters

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Adapter configuration: Along with the documentation that comes with your adapter, use the following information to help with adapter configuration. Plug and Play adapters: Plug and Play is a configuration method that makes expanding your server easier. Support for Plug and Play is built into the system board of your server. If an adapter is Plug and Play, then there are no switches or jumpers that must be set on the adapter. A Plug and Play adapter comes with configuration specifications set in memory to provide installation information to the server during startup. When you install or remove Plug and Play adapters, this information is interpreted by the basic input/output system (BIOS), which supports Plug and Play technology. If the required resources are available, then the BIOS software automatically configures the adapter around the resources already in use by other devices. Adapters designed for PCI slots are Plug and Play devices; many ISA adapters are not Plug and Play devices. (ISA adapters that are not Plug and Play are referred to as legacy adapters.) Note See "Solving POST Error Message Problems" on page 53 for information on error messages resulting from resource conflicts. Legacy adapters: Adapters that are not Plug and Play are known as legacy adapters. If you install a legacy adapter, you must manually configure it by setting switches or jumpers on the adapter and by reserving it's resources using the Configuration/Setup Utility program. In the Configuration/Setup Utility program, the ISA Legacy Resources screen shows the server resources that are typically required by adapters: Memory resources I/O port resources DMA resources Interrupt resources From the appropriate screens, you can select available resources for the adapter you are installing. Resources not being used by ISA legacy adapters are listed as [Available]. You must set the resources used by the newly installed ISA legacy adapter to [ISA Resource]. This notifies the Plug and Play software that these resources are in use. Just as you change system resources for installed adapters, you must also change resources when you remove an ISA legacy adapter. If you remove a legacy Netfinity 8655 - Type 8655 97

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Adapter configuration:
Along with the
documentation that comes with your adapter, use the
following information to help with adapter configuration.
Plug and Play adapters:
Plug and Play
is a
configuration method that makes expanding your server
easier.
Support for Plug and Play is built into the system
board of your server.
If an adapter is Plug and Play, then there are no switches
or jumpers that must be set on the adapter.
A Plug and
Play adapter comes with configuration specifications set in
memory to provide installation information to the server
during startup.
When you install or remove Plug and Play
adapters, this information is interpreted by the
basic
input/output system (BIOS)
, which supports Plug and Play
technology.
If the required resources are available, then
the BIOS software automatically configures the adapter
around the resources already in use by other devices.
Adapters designed for PCI slots are Plug and Play
devices; many ISA adapters are not Plug and Play
devices.
(ISA adapters that are not Plug and Play are
referred to as
legacy adapters
.)
Note
See “Solving POST Error Message Problems” on
page
53 for information on error messages resulting
from resource conflicts.
Legacy adapters:
Adapters that are not Plug and Play
are known as
legacy
adapters.
If you install a legacy
adapter, you must manually configure it by setting switches
or jumpers on the adapter and by reserving it's resources
using the Configuration/Setup Utility program.
In the Configuration/Setup Utility program, the ISA Legacy
Resources screen shows the server resources that are
typically required by adapters:
±
Memory resources
±
I/O port resources
±
DMA resources
±
Interrupt resources
From the appropriate screens, you can select available
resources for the adapter you are installing.
Resources
not being used by ISA legacy adapters are listed as
[
Available
].
You must set the resources used by the
newly installed ISA legacy adapter to [
ISA Resource]
.
This notifies the Plug and Play software that these
resources are in use.
Just as you change system resources for installed
adapters, you must also change resources when you
remove an ISA legacy adapter.
If you remove a legacy
Netfinity 8655 - Type 8655
97