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APA-1480 Enabler for DOS Resource management. 3

C H A P T E R

Resource management.

During the loading Enabler collects information about resources (IRQ, I/O and

memory) used by PCI, PNP and Option ROMs. Enabler considers such

resources as non-free and excludes them from hardware configuration

procedure.

In non-PnP computer Enabler may be not able detect all used resources (e.g.

resources used by Legacy ISA devices). In such case you can adjust resource

filters manually by adding such resources into [Resource] section of the

external .INI file. The list of all detected resources is displayed if Enabler is

started with /V+ switch.

Algorithm of resource management is as follow:

1. Collect PCI, PnP and Option ROM resource information.

2. Result is combined with resource information in [Resources] section

of .INI file (if file and section exist).

3. Resulting resources collection is used as resource filter.

4. Resource assignment via external .INI file (e.g. bridge filter settings

or ExCA address register) overrides assigned resources

unconditionally, even if specified resource is unavailable. If resource

is unavailable and Enabler is started in verbose mode (with /V

switch) - a warning is issued.

5. If specific resource is assigned by BIOS, Enabler keeps such

resource (unless otherwise is directed by .INI file).

6. If specific resource is not assigned by BIOS and there is no .INI file

settings, Enabler will allocate required resource automatically:

a) Command line settings specify preferable resources to be

used if available.

b) If preferable resources are not available or if no

preferable resources specified via command line, any

available (according to filters set during the loading)

resource will be used.

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Adaptec APA-1480 Bedienungsanleitung Seite 9