IBM 847661U Hardware Maintenance Manual - Page 44

ISA legacy resources, Processor control

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Select Set Device Node to control the device node. When you change this value to Disabled, the system cannot update the configuration during POST. Processor control : Select this choice to control features associated with the microprocessors, such as Processor 0 ID and Processor Updating. ISA legacy resources : Plug and Play is a configuration method that makes expanding the server easier. Support for Plug and Play is built into the system board of the server. If an adapter is Plug and Play, 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 BIOS, which supports Plug and Play technology. If the required resources are available, the BIOS software automatically configures the adapter around the resources already in use by other devices. Most adapters designed for PCI slots are Plug and Play devices that are auto-configuring. However, many ISA adapters are not Plug and Play devices. These adapters 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 allocating or reserving the system resources that the adapter will use. Note See "Configuration conflicts" on page 20 for information about handling resource conflicts. Select ISA Legacy Resources to identify the available system resources: Memory I/O ports DMA Interrupt Note The menus do not contain resources that are used by the system or by previously installed Plug and Play adapters. To store the legacy resource information for an installed adapter: 36 Netfinity Server HMM

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Select
Set Device Node
to control the device node.
When
you change this value to
Disabled
, the system cannot
update the configuration during POST.
Processor control
:
Select this choice to control features associated with
the microprocessors, such as
Processor 0 ID
and
Processor Updating
.
ISA legacy resources
:
Plug and Play
is a configuration method that makes
expanding the server easier.
Support for Plug and Play is
built into the system board of the server.
If an adapter is Plug and Play, 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 BIOS, which
supports Plug and Play technology.
If the required
resources are available, the BIOS software automatically
configures the adapter around the resources already in use
by other devices.
Most adapters designed for PCI slots are Plug and Play
devices that are auto-configuring.
However, many ISA
adapters are not Plug and Play devices.
These adapters
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 allocating or reserving
the system resources that the adapter will use.
Note
See “Configuration conflicts” on page
20 for
information about handling resource conflicts.
Select
ISA Legacy Resources
to identify the available
system resources:
±
Memory
±
I/O ports
±
DMA
±
Interrupt
Note
The menus do not contain resources that are used by
the system or by previously installed Plug and Play
adapters.
To store the legacy resource information for an
installed adapter:
36
Netfinity Server HMM