3.3.6 USB Configuration

USB 2.0 Controller

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

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ASRock AD2550B-ITX manual USB Configuration, USB 2.0 Controller, Legacy USB Support

AD2550B-ITX specifications

The ASRock AD2550B-ITX is a compact yet powerful mini-ITX motherboard intended for a variety of applications, particularly in home theater PCs (HTPCs), embedded systems, and compact computing setups. Built around the Intel Atom dual-core processor, the AD2550B-ITX showcases a balance of performance and energy efficiency, making it an excellent choice for energy-conscious users.

One of the standout features of the AD2550B-ITX is its support for the Intel Atom D2550 CPU, which operates at a base frequency of 1.86 GHz. This processor is built on a 32nm manufacturing process, which not only enhances performance but also reduces power consumption. The board supports 2 DDR3 SO-DIMM slots that accommodate up to 8 GB of RAM, allowing for efficient multitasking and processing capabilities, all while maintaining a low thermal footprint.

In terms of connectivity, the ASRock AD2550B-ITX is equipped with two USB 3.0 ports and four USB 2.0 ports, providing support for modern peripherals and ensuring speedy data transfers. The integrated HDMI and VGA outputs allow for versatile video output options, ideal for connecting to various display devices. The board also features a Gigabit Ethernet port, which offers high-speed internet access for online streaming and browsing.

On the storage front, the AD2550B-ITX provides several options with support for SATA3 and SATA2 interfaces, enabling the connection of SSDs and HDDs for storage expansion. Additionally, the motherboard includes an mSATA slot for ultra-fast storage solutions, which can significantly enhance the overall system performance.

The ASRock AD2550B-ITX incorporates advanced technologies, such as ASRock's Instant Boot and Instant Flash, which enhance the user experience through quicker boot times and easy BIOS updates, respectively. The board also features a half-size PCIe slot for additional expansion cards, allowing users to customize their setups according to specific needs.

In summary, the ASRock AD2550B-ITX is a robust mini-ITX motherboard that combines efficiency, versatility, and performance in a small form factor. Whether for home media applications, lightweight computing tasks, or embedded projects, the AD2550B-ITX is designed to meet the demands of various users while keeping power consumption to a minimum. Its array of features and connectivity options make it a compelling choice in the mini-ITX market.