User`s guide
Copyright © 2008 congatec AG B915m10 69/92
PCI Conguration Submenu9.4.2
Feature Options Description
Plug & Play O/S No
Yes
Species if manual conguration is desired.
Set to NO for operating systems that do not meet the Plug and Play specication. In this case the BIOS congures all
devices in the system.
Select YES to let the operating system congure PnP devices that are not required for booting.
PCI Latency Timer 32, 64, 96, ... 248 This option allows you to adjust the latency timer of all devices on the PCI bus.
Allocate IRQ to PCI VGA Yes
No
Allow or restrict the BIOS from giving the VGA controller an IRQ resource.
Allocate IRQ to SMBUS HC Yes
No
Allow or restrict the BIOS from giving the SMBus controller an IRQ resource.
►PCI IRQ Resource Exclusion sub menu Opens PCI IRQ Resource Exclusion sub menu.
►PCI Interrupt Routing sub menu Opens PCI Interrupt Routing sub menu.
PCI IRQ Resource Exclusion Submenu9.4.2.1
Feature Options Description
IRQ xx Available
Reserved
Allow or restrict the BIOS from giving IRQ resource to PCI/PNP devices.
Note: Assigned IRQ resources are shaded and listed as ‘Allocated’.
PCI Interrupt Routing Submenu9.4.2.2
Feature Options Description
PIRQ xx (devices) Auto,
3, 4, .., 14, 15
Select xed IRQ for PCI interrupt line or set to AUTO to let the BIOS and operating system route an IRQ.
Note: Only those IRQs that are free are listed.
1st Exclusive PCI IRQ None, [IRQs assigned manually above] The selected IRQ will only be assigned to the PIRQ line it has been set to manually. PIRQs set to AUTO will
not be assigned this IRQ.
2nd Exclusive PCI IRQ None, [IRQs assigned manually above] The selected IRQ will only be assigned to the PIRQ line it has been set to manually. PIRQs set to AUTO will
not be assigned this IRQ.