Pci Irq Sharing; Vga Palette Snoop; Graphics Aperture Size; Plug And Play Os - Acer Power 2100 User Manual

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PCI IRQ Sharing

Setting this parameter to Yes allows you to assign the same IRQ to two different devices. To disable the feature,

select No.

If there are no IRQs available to assign for

the

recommend that you enable this parameter.

This parameter permits you to use the palette snooping feature if you installed more than one VGA card in the

system.

The VGA palette snoop function allows 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 DAC 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.

This parameter specifies the graphics aperture size. The default setting is 64 MB.

When this parameter is set to Yes, BIOS initializes only PnP boot devices such as SCSI cards. When set to No,

BIOS initializes all PnP boot and non-boot devices such as sound cards.

remaining

device

function,

Index

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Acerpower 2100