DMA n Assigned to
When resources are controlled manually, assign each
system DMA channel as one of the following types,
depending on the type of device using the interrupt:
Legacy ISA Devices compliant with the original PC AT
bus specification, requiring a specific DMA channel
PCI/ISA PnP Devices compliant with the Plug and Play
standard, whether designed for PCI or ISA bus
architecture.
Choices: Legacy ISA, PCI/ISA PnP.
PCI IRQ Activated
This sets the method by which the PCI bus recognizes that
by
an IRQ service is being requested by a device. You
should retain the default configuration unless advised
otherwise by your system's manufacturer.
Choices: Level, Edge.
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3
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PCI IDE IRQ Map to
This allows you to configure your system to the type of
IDE disk controller in use. By default, Setup assumes
that your controller is an ISA (Industry Standard
Architecture)device rather than a PCI controller. The
more apparent difference is the type of slot being used.
If you have equipped your system with a PCI controller,
changing this allows you to specify which slot has the
controller and which PCI interrupt (A, B, C or D) is
associated with the connected hard drives.
Remember that this setting refers to the hard disk drive
itself, rather than individual partitions. Since each IDE
controller supports two separate hard drives, you can
select the INT# for each. Again, you will note that the
primary has a lower interrupt than the secondary as
described in "Slot x Using INT#" above.
Selecting "PCI Auto" allows the system to automatically
determine how your IDE disk system is configured.
