Feature 

Option 

Description 

Advanced PCI/PnP Settings 

The Yes setting allows the 

operating system to change the 

Yes 

interrupt, I/O, and DMA settings. 

Set this option if the system is 

running Plug and Play aware 

Plug & Play OS 

operating systems. 

Set No for operating systems that 

do not meet the Plug and Play 

No 

specifications. It allows the BIOS 

to configure all the devices in the 

system.  

32 

This setting controls how many 

64 

PCI clocks each PCI device can 

96 

hold the bus before another PCI 

128 

device takes over. When set to 

PCI Latency Timer 

160 

higher values, every PCI device 

192 

can conduct transactions for a 

224 

longer time and thus improve the 

effective PCI bandwidth.  

248 

Yes 

Allows or restricts the system from 

Allocate IRQ to PCI VGA 

No 

giving the VGA adapter an IRQ. 

This is the default setting and 

Disabled 

Palette Snooping 

should not be changed unless the 

VGA card manufacturer requires 

Enabled 

Palette Snooping to be Enabled. 

Disabled 

ENABLED: BIOS uses PCI bus 

PCI IDE Bus Master 

mastering for reading / writing to 

Enabled 

IDE drives. 

Allows user to reserve a specific 

Available 

IRQ3 ~ IRQ15 

IRQ for a legacy device (Note: 

most hardware devices & OS used 

Reserved 

do not support manual assigned).  

Available 

Allows user to reserve a specific 

DMA0 ~ 7 

Reserved 

DMA for a legacy device. 

Disabled 

16 K 

Size of memory block to reserve 

Reserved Memory Size 

32 K 

for legacy ISA devices. 

64 K 

Enabled 

Enable / Disable Extended BIOS 

Extended BIOS Data Area 

Disabled 

Data Area. 

52 

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