Chapter 3
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means absolutely nothing unless you are using a Plug and Play operating
system such as Windows 95/98. If you set this field to “
Manual
”, choose
specific resources by going into each of the sub menu that follows this field (a
sub menu is preceded by a “
¾
”). The settings are:
Auto (ESCD)
,
Manual
.
IRQ Resources
When resources are controlled manually, assign each system interrupt a type,
depending on the type of device using the interrupt.
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:
The setting must be set to
Enabled
if any ISA bus adapter in the system
requires VGA palette snooping.
VGA Palette Snoop
Bit Setting
Action
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.
