3-26
MS-6738 Micro ATX Mainboard
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
These settings specify the IRQ line for specified VGA/USB device. Setting
options: Disabled, Enabled.
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.
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