EVGA P55 FTW - Manual (Page 41)

Configuring the BIOS
Allocate IRQ to PCI VGA
This function allows an IRQ to be assigned to a PCI VGA.
Palette Snooping
This function allows the BIOS to inform the system that an ISA graphics device
is installed.
PCI IDE BusMaster
This function allows the BIOS to use PCI BusMastering for reading or writing
to IDE drives.
OffBoard PCI/ISA IDE Card
This function allows manual override of PCI/ISA external cards. A setting of
[Auto] works for most devices.
IRQ Settings
The various IRQ settings allows you to reserve IRQ’s if necessary, it is
recommended to leave this as Available.
DMA Channel
The various DMA settings allow you to specify a DMI to be used by PCI/PnP
devices.
Reserved Memory Size
This option allows you to specify the size of the memory block to reserve for
legacy ISA devices.