Acrosser AR-B1894 - Manual (Page 41)

4.2.6.3.1 IRQ Resources
This item allows you to determine the IRQ assigned to the ISA bus and is not
available to
any PCI slot. Legacy ISA for devices compliant with the original PC AT bus
specification,
PCI/ISA PnP for devices compliant with the Plug and Play standard whether
designed for
PCI or ISA bus architecture.
4.2.6.3.2 DMA Resources
This item allows you to determine the DMA assigned to the ISA bus and is not
available to
any PCI slot. Legacy ISA for devices compliant with the original PC AT bus
specification,
PCI/ISA PnP for devices compliant with the Plug and Play standard whether
designed for
PCI or ISA bus architecture.