Asus P4P800-MX - Manual (Page 58)

2-20 Chapter 2: BIOS information
Allocate IRQ to PCI VGA [Yes]
When set to [Yes], BIOS assigns an IRQ to PCI VGA card if the card requests for
an IRQ. When set to [No], BIOS does not assign an IRQ to the PCI VGA card even
if requested. Configuration options: [No] [Yes]
Pallete Snooping [Disabled]
When set to [Enabled], the pallete snooping feature informs the PCI devices that
an ISA graphics device is installed in the system so that the latter can function
correctly. Setting to [Disabled] deactivates this feature. Configuration options:
[Disabled] [Enabled]
PCI IDE BusMaster [Enabled]
Allows BIOS to use PCI bus mastering when reading/writing to IDE devices.
Configuration options: [Disabled] [Enabled]
IRQ xx [Available]
When set to [Available], the specific IRQ is free for use of PCI/PnP devices. When
set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration
options: [Available] [Reserved]
DMA Channel xx [Available]
When set to [Available], the specific DMA channel is free for use of PCI/PnP
devices. When set to [Reserved], the DMA channel is reserved for legacy ISA
devices. Configuration options: [Available] [Reserved]
Reserved Memory Size [Disabled]
Sets the size of memory block reserved for legacy ISA devices. Configuration
options: [Disabled] [16K] [32K] [64K]