Usb Vid-214b Amp-pid-7250 Amp-rev-0100 Jun 2026

Before we dive into the specific hardware, let’s break down what these letters and numbers actually mean.

Run the tool with the device inserted to extract raw hardware reports directly from the controller IC pins, bypassing basic Windows API roadblocks.

After applying Method 1 or Method 2 above, 95% of users will see their device transform into a working CD-ROM or disk drive. For the remaining 5%, the REV-0100 hardware has likely reached the end of its functional life.

The situation is similarly straightforward. Windows has built‑in drivers for generic USB hubs, and the device should be as soon as you plug it in. In Device Manager, you’ll find it under “Universal Serial Bus controllers” labelled something like “Generic USB Hub.”

Bus 001 Device 006: ID 214b:7250 Huasheng Electronics USB2.0 HUB

In its most advanced incarnation (the MW7299 chip), the device powers compact USB‑C dongles that let you charge your laptop and connect peripherals through a single port. These dongles are widely available on Amazon and AliExpress for around $20–40. The built‑in PD3.0 controller supports up to (65W or higher with external power), while the integrated BC1.2 charging ports can deliver 1.2A to charge phones and tablets even when the host computer is off or in standby. usb vid-214b amp-pid-7250 amp-rev-0100

Because Huasheng Electronics chips power a vast range of budget hubs, unbranded adapters, and desktop front-panel extensions, they occasionally hit communication bottlenecks with modern operating systems. 1. Code 43: Device Descriptor Request Failed

Thanks in advance for any clues!

Often found as an internal hub in laptops (e.g., HP 15-db1xxx) or on desktop motherboards to manage front-panel ports. Driver & Compatibility

Reconnect the power, boot back into Windows, and plug the USB device directly into a motherboard port. 2. Force Windows to Reinstall the Core USB Stack

The hardware ID points to a specific USB controller chip manufactured by Huasheng Electronics / Ameco Technologies . This hardware ID typically belongs to mass-market USB 2.0 Hubs , external multi-port splitters, or USB expansion microcontrollers integrated into keyboards, mice, and low-cost audio interfaces. Before we dive into the specific hardware, let’s

(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.

Why that matters

This came from a cheap USB programmer/TTL adapter purchased online. No markings on the PCB.

This represents the Vendor ID. VID 214B is registered to Qingdao Huayu Information Technology Co., Ltd. , a company that produces components often utilized in electronic assemblies, including USB hubs.

: If the internal flash memory inside the controller chip degrades, the device will permanently register with error flags and cannot be rescued via standard software drivers. For the remaining 5%, the REV-0100 hardware has

Practical troubleshooting checklist

If you are experiencing issues with a device identified by the USB VID-214B&PID-7250&REV-0100, try the following troubleshooting steps:

To help find the exact tool or step needed, could you clarify:

This identifier corresponds to a typically using the HS8836A controller chip.