ehci controller

  1. There is high CPU usage when using a USB audio device connected to a USB 2.0 EHCI host controller

    Fixes an issue in which a computer has high CPU usage when a full-speed USB 2.0 audio device is connected to a high-speed hub which is connected to the root hub or a high speed USB audio device is used. More...
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    • audio device cpu usage device driver ehci controller high speed microsoft performance root hub support troubleshooting usb audio
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    • Forum: Knowledge Base (KB)