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Feature
Option
Description
Advanced PCI/PnP Settings
Yes
Plug & Play OS
No
The Yes setting allows the
operating system to change the
interrupt, I/O, and DMA settings.
Set this option if the system is
running Plug and Play aware
operating systems.
Set No for operating systems that
do not meet the Plug and Play
specifications. It allows the BIOS
to configure all the devices in the
system.
32
64
96
128
160
192
224
PCI Latency Timer
248
This setting controls how many
PCI clocks each PCI device can
hold the bus before another PCI
device takes over. When set to
higher values, every PCI device
can conduct transactions for a
longer time and thus improve the
effective PCI bandwidth.
Yes
Allocate IRQ to PCI VGA
No
Allows or restricts the system from
giving the VGA adapter an IRQ.
Disabled
Palette Snooping
Enabled
This is the default setting and
should not be changed unless the
VGA card manufacturer requires
Palette Snooping to be Enabled.
Disabled
PCI IDE Bus Master
Enabled
ENABLED: BIOS uses PCI bus
mastering for reading / writing to
IDE drives.
Available
IRQ3 ~ IRQ15
Reserved
Allows user to reserve a specific
IRQ for a legacy device (Note:
most hardware devices & OS used
do not support manual assigned).
Available
DMA0 ~ 7
Reserved
Allows user to reserve a specific
DMA for a legacy device.
Disabled
16 K
32 K
Reserved Memory Size
64 K
Size of memory block to reserve
for legacy ISA devices.
Enabled
Extended BIOS Data Area
Disabled
Enable / Disable Extended BIOS
Data Area.