Asus P4S800 Motherboard DIY Troubleshooting Guide - Page 53
PCI Configuration
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2.4.3 PCI Configuration Slot 1/5, Slot 2, Slot 3, Slot 4 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. Primary VGA BIOS [PCI VGA Card] This field allows you to select the primary graphics card. Configuration options: [PCI VGA Card] [AGP VGA Card] USB Function [Enabled] This field allows you to enable or disable the USB function. Configuration options: [Disabled] [Enabled] USB 2.0 Function [Enabled] This field allows you to enable or disable the USB 2.0 function. Configuration options: [Disabled] [Enabled] ASUS P4S800 motherboard user guide 2-19