BIOS Setup
3-27
system such as Windows
95/98. If you set this field to “manual” choose spe-
cific resources by going into each of the sub menu that follows this field (a sub
menu is preceded by a “
”). The settings are:
Auto (ESCD)
,
Manual
.
IRQ 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. IRQ Resources list
IRQ 3/4/5/7/9/10/11/12/14/15 for users to set each IRQ a type depending on the
type of device using the IRQ. Settings are:
PCI Device
For Plug & Play compatible devices designed for PCI
bus architecture.
Reserved
The IRQ will be reserved for further request.
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.
Assign IRQ For VGA/USB/ACPI
The settings specify IRQ for each of the hardware components.
Auto
allows
BIOS to determine the IRQ automatically.
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 pal-
ette registers, permitting the palette registers of both VGA
devices to be identical.
