American Megatrends MB950 User Manual page 40

BIOS SETUP
Allocate IRQ to PCI VGA
This assigns IRQ to PCI VGA card if card requests IRQ or doesn't assign
IRQ to PCI VGA card even if card requests an IRQ.
Palette Snooping
This informs the PCI devices that an ISA graphics device is installed in the
system so the card will function correctly.
PCI IDE BusMaster
This uses PCI busmastering for BIOS reading / writing to IDE devices.
OffBoard PCI/ISA IDE Card
Some PCI IDE cards may require this to be set to the PCI slot number
that is holiding the card. AUTO: Works for most PCI IDE cards.
IRQ#
Use the IRQ# address to specify what IRQs can be assigned to a
particular peripheral device
.
Reserved Memory Size
Size of memory block to reserve for legacy ISA devices.
36 MB950 User's Manual