Usb Vid-214b Amp-pid-7250 Amp-rev-0100 |verified|

Identifies the specific USB 2.0 Hub controller.

A unique 4-digit hexadecimal code assigned to a company by the USB Implementers Forum (USB-IF). For VID_214B, the vendor is identified as SiFive, Inc., a company known for its work in the semiconductor industry, particularly with RISC-V based solutions.

(Revision). The REV_0100 field indicates the device’s firmware or hardware revision number. In this case, it’s version 1.00, a common initial release. Windows and Linux use the revision number to differentiate between minor hardware or firmware changes that might affect driver compatibility. usb vid-214b amp-pid-7250 amp-rev-0100

Indicates the firmware version is 1.00. Device Type: Generic High-Speed USB Hub. Driver Information

This identifier corresponds to a typically using the HS8836A controller chip. Identifies the specific USB 2

If you’d like, I can:

Go to the official support website for your laptop (e.g., HP Support). (Revision)

Several Raspberry Pi users have reported that this hub is recognised only when connected to a Pi 3 or Pi 4. The system logs show the hub enumerating correctly ( New USB device found, idVendor=214b, idProduct=7250 ), but it later fails to stabilise, often with USB errors like -71 (protocol error).

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The most common device matching this identifier is a simple . It’s the kind of passive, affordable hub you might buy to add extra ports to a laptop or desktop. Linux systems consistently report it as Huasheng Electronics USB2.0 HUB , with 4 downstream ports that run at high speed (480 Mbit/s).