But what exactly do these codes mean, and how do they relate to terms like and amprev0100 ? This in-depth article explores the anatomy of this specific USB hub, what it means for your daily tech setup, and how to troubleshoot it. 💻 Deciphering the Hardware ID (VID & PID)
While it looks like a standard hub on paper, this specific hardware ID (214B:7250) often appears in more complex setups:
Points specifically to the HS8836A 4-Port Hub controller chip .
On smaller single-board computers (like the Raspberry Pi), logs sometimes capture high-speed negotiation faults: usb 1-1.2: new high-speed USB device number... using dwc_otg followed by a silent drop. Huasheng Electronics — USB Vendor 214B - DeviceHunt
If your keyboard or mouse isn't working through the hub, try switching to Mode 3. usb vid214b amppid7250 amprev0100 new
While it is a hub, powering too many high-draw devices (e.g., external hard drives without their own power supply) can lead to the "Generic USB Hub" malfunctioning due to power issues.
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Because the VID_214B&PID_7250 chipset is fundamentally designed as a core class-compliant USB device, . Instead, it relies directly on core operating system architecture files ( usbhub.sys or usbhub3.sys ). If it fails, the issue is almost always caused by a corrupted registry, power restrictions, or structural port failures. Follow these steps sequentially to resolve the issue: Step 1: Force a Clean OS Driver Reinstallation
If you have just purchased this hub, "new" indicates it is a freshly manufactured, low-cost device using reference designs from Huasheng Electronics. These are often sold under random brand names. Test all ports immediately, as quality control can vary across batches. But what exactly do these codes mean, and
. This specific hardware combination is frequently found in various multi-port devices, including standalone USB hubs, KVM switches, and docking stations. Technical Identification Vendor ID (VID) 214B : This ID is typically associated with Huizhou Huada Magnetoelectric Co., Ltd.
Assigned to Huasheng Electronics (often registered in database registries under Ameco Technologies Shenzhen Co., Ltd.).
: Defines the communication bus interface protocol being utilized by the computer.
: Points directly to the product architecture, specifically the silicon. On smaller single-board computers (like the Raspberry Pi),
When a system struggles with this specific identifier, users typically face one of three frustrating behaviors:
Integrated into USB-to-Ethernet adapters that also include extra USB ports.
Conversely, if a user simply bought a $15 macro pad from an online marketplace, this VID/PID combination is benign and expected.