Chapter 6 - PCI/Plug and Play Setup
6-6
IBC 2600 User’s Guide
IRQ5/IRQ9/IRQ10/IRQ11/IRQ15
These options indicate whether or not the specified interrupt request
(IRQ) is available for use by the system for PCI/Plug and Play features or
is reserved for use by option cards on the ISA Bus. This allows you to
specify IRQs for use by legacy ISA adapter cards.
The IRQ setup options indicate whether AMIBIOS should remove an IRQ
from the pool of available IRQs passed to BIOS configurable devices.
The available IRQ pool is determined by reading the ESCD NVRAM. If
more IRQs must be removed from the pool, you can set the IRQ option
to ISA/EISA. On-board I/O is configurable by AMIBIOS; the IRQs used
by on-board I/O are configured as
PCI/PnP.
The Setup screen displays the system option:
IRQ#
PCI/PnP
where # is the number of the interrupt request (IRQ) available to
the option specified (PCI or ISA).
Available options:
PCI/PnP
ISA/EISA
NOTE: If the
OnBoard IDE
option on the Peripheral Setup screen is set
to
Secondary
or
Both
, IRQ 15 is assigned by the system and is not
available to the user.
Reserved Memory Size
This option specifies the size of the memory area reserved for legacy ISA
adapter cards.
If this option is set to
Disabled, the Reserved Memory Address
option
is not available for modification.
The Setup screen displays the system option:
Reserved Memory Size
Disabled
Содержание IBC 2600
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