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• PCI n Assignment
Each PCI Slot can assign its own IRQ number. When you assign one and find out that the
real IRQ is different from your assignment, the IRQ you assign must be taken over by
another device like Printer, USB Controller, MIDI, etc.
BIOS SETUP 43
• IRQ Resources
• IRQ-n Assigned to
When the resources are controlled manually, assign each System Interrupt to one of the
following, depending on which type of device is using the interrupt.
- Legacy ISA Devices requiring a specific interrupt (such as IRQ4 for serial port1),
compliant with the original PC AT bus specification.
- PCI/ISA PnP devices, whether designed for PCI or ISA bus architecture, compliant
with the Plug and Play standard.
• PCI/VGA Palette Snoop
Some VGA cards, such as graphics accelerators or MPEG video cards, might not show
colors properly. Select “Enabled” to correct this problem. If you don’t have such problems,
leave this field at “Disabled”.