ASRock AD2550-ITX USB Configuration, USB 2.0 Controller, USB 3.0 Controller, Legacy USB Support

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3.3.6 USB Configuration

USB 2.0 Controller

Use this item to enable or disable the use of USB 2.0 controller.

USB 3.0 Controller

Use this item to enable or disable the use of USB 3.0 controller.

Legacy USB Support

Use this option to select legacy support for USB devices. There are four configuration options: [Enabled], [Auto], [Disabled] and [UEFI Setup Only]. The default value is [Enabled]. Please refer to below descriptions for the details of these four options:

[Enabled] - Enables support for legacy USB.

[Auto] - Enables legacy support if USB devices are connected. [Disabled] - USB devices are not allowed to use under legacy OS and UEFI setup when [Disabled] is selected. If you have USB compatibility is- sue, it is recommended to select [Disabled] to enter OS.

[UEFI Setup Only] - USB devices are allowed to use only under UEFI setup and Windows / Linux OS.

Legacy USB 3.0 Support

Use this option to enable or disable legacy support for USB 3.0 devices. The default value is [Disabled].

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Contents AD2550-ITX Disclaimer Copyright NoticeContents Software Support Introduction Package ContentsSpecifications Bios Feature ConnectorSupport CD HardwarePage ASRock Instant Boot Unique FeaturesASRock Instant Flash ASRock APP ChargerASRock XFast LAN ASRock XFast USBASRock XFast RAM ASRock On/Off Play Technology17.0cm 6.7 Motherboard LayoutI/O Panel LAN Port LED IndicationsTable for Audio Output Connection Screw Holes Pre-installation PrecautionsInstalling a SO-DIMM Installation of Memory Modules SO-DIMMExpansion Slot PCI Slot Installing an expansion cardDual Monitor Feature Hdcp Function What is HDCP?Jumper Setting Jumpers SetupOnboard Headers and Connectors Infrared Module Header Chassis Speaker Header Please connect the chassis Serial port module Hot Plug Function for Sata / Sataii HDDs What is Hot Plug Function?Installing Windows 7 on Sata / Sataii HDDs Driver Installation GuideUsing Sata / Sataii HDDs with NCQ function Set up Uefi Install Windows 7 OS on your systemUefi Menu Bar IntroductionMain Screen Navigation KeysNavigation Keys F10Instant Flash Advanced ScreenCPU Configuration Intel Hyper Threading TechnologyNo-Excute Memory Protection Chipset Configuration SATA2 Mode Storage ConfigurationSuper IO Configuration Acpi Configuration USB 2.0 Controller USB ConfigurationUSB 3.0 Controller Legacy USB SupportDram Voltage Voltage Configuration+1.05V Voltage +1.5V VoltageCPU Fan Setting Chassis Fan 1 SettingHardware Health Event Monitoring Screen Boot Screen Security Screen Exit Screen Support CD Information Install Operating SystemRunning The Support CD Drivers Menu