Pci & Onboard I/O Setup - Abit IT5A User Manual

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PCI & Onboard I/O Setup
In this menu, you can change the INT# and IRQ of the PCI bus and the onboard
I/O device, I/O port address and other hardware settings.
PnP OS Install :
Device resource assigned by PnP OS or BIOS.
Force Update ESCD:
If you want to clear ESCD data next time you boot up, and ask the BIOS to reset the
settings for the Plug & Play ISA Card and the PCI Card, select Enabled. But the next time
you boot up, this option will automatically be set as Disabled.
The ESCD contains the IRQ, DMA, I/O Port, Memory information of the
system. This is a specification and a feature specific to Plug & Play BIOS.
Resources Controlled By:
When you select Auto, the BIOS will automatically assign the IRQ and DMA to PCI / ISA
PnP . When this option is Manual, you can choose which IRQ or DMA can assign to PCI /
ISA PnP . ISA PnP
Fig 3-6 PCI & Onboard I/O Setup
ESCD (Extended System Configuration Data)
Chapter 3