Biostar 945P-A7A Owner's Manual download pdf (Page 84)

945P-A7A BIOS Manual

IRQ RESOURCES

This submenu will allow you to assign each system interrupt a type, depending on the

type of device using the interrupt. When you press the “Press Enter” tag, you 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 assigned to PCI Device

IRQ-4 assigned to PCI Device

IRQ-5 assigned to PCI Device

IRQ-7 assigned to PCI Device

IRQ-9 assigned to PCI Device

IRQ-10 assigned to PCI Device

IRQ-11 assigned to PCI Device

IRQ-12 assigned to PCI Device

IRQ-14 assigned to PCI Device

IRQ-15 assigned to PCI Devic

PCI / VGA PALETTE SNOOP

Choose Disabled or Enabled. Some graphic controllers that are not VGA 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 watch for the Write access to the

VGA palette and registers the snoop data. In PCI based systems, where the VGA

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.

In this case, the PCI VGA controller should not respond to the Write, it should only

snoop the data and permit the access to be forwarded to the ISA bus. The non-VGA ISA

graphic controller can then snoop the data on the ISA bus. Unless you have the above

situation, you should disable this option.

Disabled (default) disable the function.

Enabled enable the function.

MAXIMUM PAYLOAD SIZE

Set the maximum TLP payload size for the PCI Express device.The unit is byte.

The Choice: 4096 (default), 128, 256, 512, 1024, 2048.

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Biostar 945P-A7A Owner's Manual Page 84