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3-36 Chapter3
WB6
3-7. PnP/PCI Configurations
This section describes configuring the PCI bus system. PCI, or P ersonal C omputer
I nterconnect, 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 3-11. PnP/PCI Configurations Setup Screen Shot
PnP OS Installed:
The device resource assigned by PnP OS (e.g., Windows 95) or BIOS.
Force Update ESCD
Two options are available: Enabled and Disabled. Default setting is Disabled . Normally, you
leave this field Disabled . Select Enabled to reset Extended System Configuration Data
(ESCD) when you exit Setup if you have installed a new add-on card and the system
reconfiguration has caused a resource conflict that the operating system can not boot.
Computer Knowledge: ESCD (Extended System Configuration Data)
The ESCD contains the IRQ, DMA, I/O port, memory information of the system. This
is a specification and a feature specific to the Plug & Play BIOS.