User manual

27 SOM-4461 A2 Version User Manual
Chapter 3 BIOS settings
3.2.7 PnP/PCI Configurations
! Init Display First [PCI Slot]
This item is setting for start up video output from PCI or Onboard device.
! Reset Configuration Data [Disabled]
This item allow the user to clear any PnP configuration data stored in the BIOS.
! Resources Controlled By [Auto (ESCD)]
– IRQ Resources
This item allows you respectively assign an interruptive type for IRQ-3, 4, 5,
7, 9, 10, 11, 12, 14, and 15.
– DMA Resources
This item allows you respectively assign an interruptive type for DMA, 0, 1, 2,
3, 4, 5, 6, and 7.
! PCI VGA Palette Snoop [Disabled]
The item is designed to solve problems caused by some non-standard VGA
cards. A built-in VGA system does not need this function.
! INT Pin 1~8 Assignment [Auto]
This item allows the user to select the interrupt request (IRQ) assigned to a
device connected to the PCI interface on your system.
! Maximum Payload Size [4096]
This item allows the user to adjust maximum TLP (Transaction Layer Packet)
payload size.
Note! This "PnP/PCI Configurations" option sets up the IRQ and DMA (both
PnP and PCI bus assignments).