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Chapter 2 45
PnP/PCI Options
The PnP/PCI Options menu allows you to specify the settings for your PCI devices. Selecting this option
displays the following screen:
The following table describes the parameters found in this sub-menu. Settings in
boldface
are the default and
suggested settings.
Parameter Description Options
PCI IRQ Setting Allows you to automatically or manually configure
the Plug-and-Play (PnP) devices installed in your
system. Refer to your device manual for technical
information about the PCI card.
Auto
or Manual
PCI Slot 1 / 2 / 3 Allows you to manually assign an interrupt for each
PCI device installed in your system. When the PCI
IRQ Settings is set to Auto, BIOS automatically
assigns the available IRQs to the PCI devices.
PCI IRQ Sharing Allows you to assign the same IRQ to two different
devices.
Yes
or No
VGA Palette Snoop Enables the palette snooping feature (if you installed
more than one VGA card in the system) allowing
the control palette register (CPR) to manage and
update the VGA RAM DAC (Digital Analog
Converter, a color data storage) of each VGA card
installed in the system. The snooping process lets
the CPR send a signal to all the VGA cards so that
they can update their individual RAM DACs. The
signal goes through the cards continuously until all
RAM DACs data has been updated. This allows the
display of multiple images on the screen. Some
VGA cards have required settings for this feature.
Check your VGA card manual before setting this
parameter.
Enabled or
Disabled
Graphics Aperture Size This parameter determines the effective size of the
graphics aperture. Graphics aperture is the address
range that the AGP video and the CPU use to
manage graphical objects.
The lowest setting is 8 MB and the
highest is 256 MB.
PnP/PCI Options
PCI IRQ Setting .....................................................[Auto]
INTA INTB INTC INTD
PCI Slot 1 .....................................[--] [--] [--] [--]
PCI Slot 2 .....................................[--] [--] [--] [--]
PCI Slot 3 .....................................[--] [--] [--] [--]
PCI IRQ Sharing..................................................... [Yes]
VGA Palette Snoop.................................................[Disabled]
Graphics Aperture Size...........................................[64 ] MB
Plug and Play OS....................................................[Yes]
Reset Resource Assignments..................................[No ]