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4.2.7. PnP/PCI Configuration
This part of the setup configures PnP/PCI options.
PNP OS Installed
Resources Controlled
By
Reset Configuration
Data
IRQ n Assigned To
DMA n Assigned To
Init Display First
Assign IRQ For VGA
Assign IRQ For USB
PCI Latency Timer
Used MEM Base
Address
Used MEM length
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BIOS
Setup
Option
Defaults
Defaults
Yes
No
Auto
Man.
Dis.
Dis.
PCI/ISA
PCI/ISA
PnP
PnP
PCI/ISA
PCI/ISA
PnP
PnP
Onboard
Onboard
Onboard, AGP
Dis.
Dis.
En.
En.
32
32
N/A
N/A
16K
16K
Possible
Settings
Yes, No
If the operating system (OS) is Plug and Play (for example
Windows 95), select "Yes" if you want the OS to allocate
resources according to Plug and Play standards, or "No" if you
want the same resource allocations at every system boot-up.
Select "No" when the OS is not Plug and Play (for example,
DOS).
Note: When set to "Yes", only the boot devices will get
Resources.
Auto, Man.
The Award Plug and Play BIOS can automatically configure all the
boot and Plug and Play-compatible devices. If you select Auto, all
the interrupt requests (IRQs) and DMA assignment fields
disappear as well as Used Mem Base Address and Lenght as the
BIOS automatically assigns them.
En./Dis.
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 and the system
reconfiguration has caused such a serious conflict that the
operating system cannot boot.
PCI/ISA PnP,
When resources are controlled manually, assign each system
Legacy ISA
interrupt as one of the following types, depending on the type of
device using the interrupt:
Legacy ISA: Devices compliant with the original PC AT bus
specification, requiring a specific interrupt.
PCI/ISA PnP: Devices compliant with the Plug and Play standard,
whether designed for PCI or ISA bus architecture.
When Legacy ISA is selected for an IRQ line, this resource will not
be available for PCI/ISA PnP.
PCI/ISA PnP,
When resources are controlled manually, assign each system
Legacy ISA
DMA channel as one of the following types, depending on the type
of device using the interrupt:
Legacy ISA: Devices compliant with the original PC AT bus
specification, requiring a specific DMA channel.
PCI/ISA PnP: Devices compliant with the Plug and Play standard,
whether designed for PCI or ISA bus architecture.
When Legacy ISA is selected for a DMA channel, this resource
will not be available for PCI/ISA PnP.
PCI Slot,
Initializes the specified video display. The chosen display
becomes the primary display. Other display devices are ignored
by the BIOS and configured by the OS.
En./Dis.
When Enabled, the video card is assigned an IRQ.
En./Dis.
When Enabled, the USB is assigned an IRQ. When Disabled, the
IRQ is freed up for another purpose.
0-255
This option specifies the value of the Latency Timer for the PCI
(integers)
bus master, in units of PCI bus clocks.
N/A,
Select a base address for the memory area used by any
C800, CC00,
peripheral that requires high memory.
D000, D400,
D800, DC00
16K, 32K,
Select a base address for the memory area used by any
48K, 64K
peripheral that requires high memory. When this option is not set
to N/A, the menu for used memory lengths available is displayed.
4-13
Description
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