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Chapter 2 44
IRQ Resources
DMA Resources
The items are adjustable only when Resources
Controlled By is set to Manual. Press <Enter>
and you will enter the sub-menu of the items.
Legacy ISA for devices compliant with the
original PC AT bus specification, PCI/ISA PnP for
devices compliant with the Plug and Play
standard whether designed for PCI or ISA bus
architecture.
PCI/VGA Palette Snoop When set to Enabled, multiple VGA devices
operating on different buses can handle data
from the CPU on each set of palette registers on
every video device. Bit 5 of the command
register in the PCI device configuration space is
the VGA Palette Snoop bit (0 is disabled). For
example, if there are two VGA devices in the
computer (one PCI and one ISA) and the:
Disabled: Data read or written by the CPU is
only directed to the PCI VGA device’s palette
registers.
Enabled: Data read or written by the CPU is
directed to both the PCI VGA device’s palette
registers and the ISA VGA device’s palette
registers, permitting the palette registers of both
VGA devices to be identical.
NOTE: Some VGA cards have required settings
for this feature. Check your VGA card
manual before setting this parameter.
Disabled
Enabled
INT Pin 1~8 Assignment The items allow you to assign an IRQ line to INT
Pin #1~8 separately. Selecting Auto allows BIOS
to determine the appropriate IRQ for each INT
pin.
Auto, 3, 4, 5, 7, 9, 10, 11, 12, 14,
15
Parameter Description Options