IEI Integration NANO-9453 v1.12 - Manual (Page 167)

NANO-9453 EPIC Motherboard
Page 149
Use the Allocate IRQ to PCI VGA option to restrict the system from giving the VGA
adapter card an interrupt address.
Yes (Default) Assigns an IRQ to a PCI VGA card if card requests IRQ
No Does not assign IRQ to a PCI VGA card even if the card
requests an IRQ
Palette Snooping [Disabled]
Use the Palette Snooping option to enable or disable the palette snooping function.
Disabled D EFAULT Unless the VGA card manufacturer requires palette
snooping to be enabled, this option should be disabled.
Enabled PCI devices are informed that an ISA based Graphics
device is installed in the system so the ISA based
Graphics card functions correctly. This does not
necessarily indicate a physical ISA adapter card. The
graphics chipset can be mounted on a PCI card. Always
check with the adapter card manual first, before
modifying the default settings in the BIOS.
PCI IDE BusMaster [Enabled]
Use the PCI IDE BusMaster BIOS option to enable or prevent PCI IDE busmastering.
Disabled Busmastering is prevented
Enabled D EFAULT IDE controller on the PCI local bus has mastering
capabilities
OffBoard PCI/ISA IDE Card [Auto]
Use the OffBoard PCI/ISA IDE Card BIOS option to select the OffBoard PCI/ISA IDE Card.