Legacy Adapters
Adapters that are not Plug and Play-compatible are known as legacy devices. If you
install a legacy adapter, you must manually configure it by setting switches on the
adapter and by allocating system resources using the Configuration/Setup Utility
program.
In the Configuration/Setup Utility program, the ISA Legacy Resources screen shows
the computer 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 reserves the resources for the legacy adapter and
prevents the BIOS from using these resources for the system or other Plug and Play
adapters.
Just as you change system resources when you install an ISA legacy adapter, you
must also change resources when you remove an ISA legacy adapter. If you
remove a legacy adapter, change the resources that were being used to [Available].
This allows the Plug and Play software to automatically use these resources for
future configurations, or they can be used later when other legacy adapters are
installed.
Note:
Refer to the documentation that comes with the adapter for information on
required system resources.
For information on configuring ISA legacy adapters, see “Configuring an ISA
Legacy Adapter” on page 83 or refer to Using Your Personal Computer. For
information on error messages from resource conflicts, see Using Your Personal
Computer.
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Installing Options in Your Personal Computer
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