The Lenovo USB 2.0 interface card adds three USB ports to a computer whose motherboard only supports USB 1.1, enabling high‑speed USB 2.0 devices to be used. The card is intended for Lenovo business PCs and works only with Windows XP.
The document provides step‑by‑step driver installation instructions: insert the Lenovo driver CD, use Device Manager to update the USB controller driver, select the provided INF file (X:\NLx_USB20NEHCI\Package\Nusb2x.inf), run the patch utility, and reboot the system. After these steps the USB 2.0 ports become operational. This manual is written in Chinese.
| Supported USB version | USB 2.0 (high speed) |
|---|---|
| Number of USB ports | Three |
| Supported operating system | Windows XP only |
The card is supported only on Windows XP.