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Chapter 2
Resources Controlled By
By Choosing "Auto" (default), the system BIOS will detect the system resources
and automatically assign the relative IRQ and DMA channel for each peripheral.
By Choosing "Manual", the user will need to assign IRQ & DMA for add-on cards.
Be sure that there are no IRQ/DMA and I/O port conflicts.
IRQ Resources
This submenu will allow you to assign each system interrupt a type, depending on
the type of device using the interrupt.
will be directed to a submenu that will allow you to configure the system interrupts.
This is only configurable when "Resources Controlled By" is set to "Manual".
IRQ-3
IRQ-4
IRQ-5
IRQ-7
IRQ-9
IRQ-10
IRQ-11
IRQ-12
IRQ-14
IRQ-15
Legacy is the term, which signifies that a resource is assigned to the ISA Bus and
provides non-PnP ISA add-on cards. PCI / ISA PnP signifies that a resource is
assigned to the PCI Bus or provides for ISA PnP add-on cards and peripherals.
PCI / VGA Palette Snoop
Choose Disabled or Enabled.
compatible take the output from a VGA controller and map it to their display as a
way to provide boot information and VGA compatibility.
However, the color information coming from the VGA controller is drawn from the
palette table inside the VGA controller to generate the proper colors, and the
graphic controller needs to know what is in the palette of the VGA controller. To
do this, the non-VGA graphic controller watches for the Write access to the VGA
palette and registers the snoop data.
controller is on the PCI bus and a non-VGA graphic controller is on an ISA bus, the
Write Access to the palette will not show up on the ISA bus if the PCI VGA
controller responds to the Write.
When you press the "Press Enter" tag, you
assigned to: PCI Device
assigned to: PCI Device
assigned to: PCI Device
assigned to: PCI Device
assigned to: PCI Device
assigned to: PCI Device
assigned to: PCI Device
assigned to: PCI Device
assigned to: PCI Device
assigned to: PCI Device
Some graphic controllers which are not VGA
In PCI based systems, where the VGA
2-25
BIOS Setup
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