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8580/8590 Vehicle-Mount Computer User Manual E-5
Appendix E: BIOS
PCI Configuration Sub-Menu
E.5.2 PCI Configuration Sub-Menu
PCI IRQ Resource Exclusion Sub-Menu
PCI Interrupt Routing Sub-Menu
Feature Options Description
Plug & Play O/S
No
Yes
Specifies if manual configuration is desired.
Set to NO for operating systems that do not
meet the Plug & Play specification. In this case
the BIOS configures all devices in the system.
Select YES to let the operating system configure
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
Ye s
No
Allow or restrict the BIOS from giving the VGA
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.
Feature Options Description
IRQxx
Available
Reserved
Allow or restrict the BIOS from giving IRQ
resource to PCI/PNP.
Feature Options Description
PIRQ xx (devices)
Auto
3, 4... 14, 15
Select fixed IRQ for PCI interrupt line or set to
AUTO to let the BIOS and operating system
route an IRQ.
Note: Make sure that the selected IRQ is not
assigned to legacy I/O.