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ASUS P4B-M motherboard user guide
4-21
Slot 1, Slot 2, Slot 3 IRQ [Auto]
These fields automatically assign the IRQ for each PCI slot. The default
setting for each field is [Auto], which utilizes auto-routing to determine IRQ
assignments. Configuration options: [Auto] [NA] [3] [4] [5] [7] [9] [10] [11]
[12] [14] [15]
PCI/VGA Palette Snoop [Disabled]
Some non-standard VGA cards, like graphics accelerators or MPEG video
cards, may not show colors properly. Setting this field to [Enabled] corrects
this problem. If you are using standard VGA cards, leave this field to the
default setting [Disabled]. Configuration options: [Disabled] [Enabled]
PCI Latency Timer [32]
Leave this field to the default setting [32] for best performance and
stability.
USB Function [Both]
This motherboard supports Universal Serial Bus (USB) devices. Set this
field to [Primary] or [Both] if you want to connect USB devices.
Configuration options: [Disabled] [Primary] [Both]]
Primary VGA BIOS [PCI VGA Card]
This field allows you to select the primary graphics card. Configuration
options: [PCI VGA Card] [AGP VGA Card]
4.4.3 PCI Configuration