USB 2.0 Controller [Enabled]

This field allows you to enable or disable the onboard USB 2.0 controller. Set to [Enabled] if you wish to install USB 2.0 devices. Configuration options: [Disabled] [Enabled]

Primary VGA BIOS [PCI VGA Card]

This field allows you to select the primary graphics card. Configuration options: [PCI VGA Card] [AGP VGA Card]

Onboard PCI Audio Controller [Enabled]

This field allows you to enable or disable the onboard PCI audio controller. Configuration options: [Disabled] [Enabled]

4.4.3.1 PCI IRQ Resource Exclusion

IRQ XX Reserved [No/ICU]

These fields indicate whether or not the displayed IRQ for each field is being used by a legacy (non-PnP) ISA card. The setting [No/ICU] for an IRQ field indicates that you are using the ISA Configuration Utility (ICU), and that this particular IRQ is NOT required by a legacy ISA card. Set the IRQ field to [Yes] if you install a legacy ISA card that requires a unique IRQ and you are NOT using ICU. Configuration options: [No/ICU] [Yes]

ASUS P4B533 motherboard user guide

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