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Why is my USB 2.0 device operating at USB 1.1 speeds?

April 26, 2017device operating speeds USB

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Why is my USB 2.0 device operating at USB 1.1 speeds?

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Each USB port is treated as an independent USB path, and the performance of each USB port is dependent upon the detected USB device(s) within that USB port (point-to-point) device connection. Its performance will be limited to the least capable performance element within that port’s connection. For example, if you connect a USB 2.0 high-speed device to a USB 1.1 Hub, which is then connected to a USB port on the motherboard, the USB 2.0 high-speed device will be limited to the performance through that USB 1.1 Hub. Refer to the device manufacturer of your USB device for specifications and installation requirements. Additional USB design specifications reference information can be found within the Intel Desktop Board D845PEBT2 Technical Product Specification (TPS).