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Chapter 5
A short description of the screen items follows:
PNP OS Installed: Choose "Yes" to configure the BIOS that the Operating System
installed support the Plug and Play standard.
Resources Controlled By: Available options are "Manual" and "Auto". If "Auto" is
selected, the system BIOS will use the ESCD with the legacy information. If
"Manual" is selected, the BIOS will not refer the ESCD for IRQ and DMA
information. Instead, it will refer the items in the items in this setup menu for
assigning IRQ and DMA.
Reset Configuration Data: If enable this option, the BIOS will clear and reset the
ESCD after hardware reset.
IRQ#/DMA# assigned to: These items will be shown only when "Resources
Controlled By" option is set the "Manual". The available options are "Legacy ISA:
and "PCI/ISA PnP". If the option is set to "Legacy ISA", the BIOS will never assign
the specified IRQ/DMA resource to PCI or ISA PnP Devices. If "PCI/ISA PnP" is
chosen, the BIOS will make the specified IRQ/DMA have a chance to be assigned to
the PCI or ISA PnP devices.
PCI IRQ Active By: Choose Level or Edge. The default settings is Level.
PCI IDE IRQ Map To: Choose PCI-AUTO, PCI-SLOT1, PCI-SLOT2, PCI-SLOT3,
ISA. The default setting is PCI-AUTO.
PCI Spec. Ver 2.1: Choose Enabled or Disabled. To enable this option will make
the PCI cycle following the PCI Speicification Version 2.1.
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