EMAC SBC-675, Руководство пользователя

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Chapter 3 Award BIOS Setup 69
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.
Assign IRQ for VGA
If you are not using your system's VGA controller, select Disabled
to free the IRQ resource.
Used Mem base addr
Select a base address for the memory area used by any peripheral
that requires high memory.
Assign IRQ for USB
Select Enabled if your system has a USB controller and you have
one or more USB devices connected. If you are not using your
system’s USB controller, select Disabled to free the IRQ resource.