Pnp/Pci Configurations - Abit SE6 User Manual

BIOS Setup 3-23

3-7. PnP/PCI Configurations

This section describes configuring the PCI bus system. PCI, or Personal Computer Interconnect, is a
system which allows I/O devices to operate at speeds nearing the speed the CPU itself uses when
communicating with its own special components. This section covers some very technical items and it is
strongly recommended that only experienced users should make any changes to the default settings.
Figure 3-9. PnP/PCI Configurations Setup Screen Shot
PNP OS Installed:
Two options are available: No and Yes. Default setting is No. 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.
Resources Controlled By:
Two options are available: Auto(ESCD) and Manual. Default setting is Auto(ESCD). When the setting is
Auto(ESCD), the IRQ Resources and Memory Resources can not be changed. When resources are
controlled manually, the IRQ Resources and Memory Resources can then be changed.
Legacy ISA devices compliant with the original PC AT bus specification, requiring a specific interrupt
(such as IRQ4 for serial port 1).
PCI/ISA PnP devices compliant with the Plug and Play standard, whether designed for the PCI or ISA
bus architecture.
The Award Plug and Play BIOS has the capability to automatically configure all of the boot and Plug and
Play compatible devices. If you select Auto (ESCD), The IRQ Resources item will be disabled, as the
BIOS automatically assigns them. But if you have trouble in assigning the interrupt resources
automatically, you can select Manual to set which IRQ and DMA are assigned to PCI/ISA PnP or legacy
ISA cards.
Figure 3-10 shows you the screen of IRQ resources. Each item has two options: PCI Device and Reserved.
The default setting is PCI Device.
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