New Free: Usb Vid214b Amppid7250 Amprev0100
The device hardware identifier USB\VID_214B&PID_7250&REV_0100 corresponds to a Generic USB 2.0 Hub. Device Specifications
Vendor ID (VID) 214B: Associated with Huasheng (or generic manufacturers like Huasheng Electronics).
Product ID (PID) 7250: Identified as an HS8836A 4-port High-Speed Hub chip.
Revision 0100: Indicates the first hardware version of this specific controller.
Performance: Operates at USB 2.0 High-Speed (HS), supporting theoretical data transfer rates up to 480 Mbit/s. Common Applications This hardware string is typically found in:
Standalone USB Hubs: Budget 4-port hubs or 4-in-4-out USB switches (like those from brands such as AIMOS).
Combo Devices: Integrated into USB-to-Ethernet adapters that also include extra USB ports.
Internal Motherboard Hubs: Often used in ASUS and HP laptops to expand a single internal USB connection into multiple physical ports. Driver Information
Since it is a "Generic USB Hub," it uses the standard class drivers already built into Windows, macOS, and Linux. You generally do not need to download third-party software for this device; the operating system should recognize it automatically as a "USB 2.0 Hub" or "Generic USB Hub". usb vid214b amppid7250 amprev0100 new
The identifier USB\VID_214B&PID_7250&REV_0100 refers to a USB 2.0 Hub
. It is a common "generic" component found in various peripherals like external hubs, USB switches, and integrated monitor hubs. Raspberry Pi Forums Device Details Vendor (VID 214B):
Huasheng Electronics (also known as Ameco Technologies Shenzhen). Product (PID 7250): Specifically identifies the HS8836A 4-port Hub chip Revision (REV 0100): Indicates the firmware or hardware version is 1.00. Raspberry Pi Forums Common Applications This specific hardware ID is frequently associated with: AIMOS KVM Switches: Such as the 4-port AM-UK404 USB switch. Budget USB Hubs:
Often branded as "Generic USB 2.0 Hub" or "High Speed Hub" in Windows Device Manager. Multi-port Hubs: For example, the Ginzzu GR-315UB 4-port hub. Driver Scape Drivers and Troubleshooting Because this is a standard USB Hub, it usually does not require a manual driver installation
on modern operating systems like Windows 10/11, macOS, or Linux. Raspberry Pi Forums
The hardware identifier USB\VID_214B&PID_7250&REV_0100 identifies a USB 2.0 Hub . This specific configuration typically refers to the HS8836A 4-port hub chip Device Specifications Vendor ID (VID): 214B (Often associated with high-speed hub controllers). Product ID (PID): Revision (REV):
It is a high-speed 4-port hub controller often found in standalone USB switches (like those from
) or integrated into laptop and desktop motherboards from manufacturers like Driver & Setup Standard Support: This device is "plug-and-play" and uses the Generic USB Hub driver included in Windows. Driver Files: It typically relies on usbhub.sys Kernel dmesg logs when plugging in a USB device
or similar system drivers provided by Microsoft for Windows versions 7 through 11. Troubleshooting: If the device is not recognized, you can use the Windows Device Manager
to "Scan for hardware changes" or uninstall the "Universal Serial Bus controllers" entries and restart your computer to force a reinstall. Common Use Cases
USB Ports Not Working on Windows: Solve Common USB Issues | Dell US
Where you might see this
- Kernel dmesg logs when plugging in a USB device.
Example:
[ 12.345678] usb 1-2: new full-speed USB device number 5 using xhci_hcd
[ 12.346000] usb 1-2: vid=214b pid=7250 amppid7250 amprev0100 new - Udev or systemd-udevd debug output during device enumeration.
- Vendor-supplied diagnostic tools or firmware update utilities that list attached devices.
- Embedded device consoles (serial logs) that report connected USB peripherals.
Method 2: Manually Update the Driver
If the AutoRun doesn't work (or the drive is empty):
- Right-click the Start button and select Device Manager.
- Expand Other devices and find the entry with the yellow exclamation mark.
- Right-click it > Update driver > Browse my computer for drivers.
- Click Let me pick from a list of available drivers on my computer.
- Scroll down to Network adapters or Modems (try both).
- Look for "Huawai Mobile Broadband" or "Huawai Network Card." If listed, select it and click Next.
The Software Ecosystem: From OBS to VirtualDub
The "New" aspect of this hardware is not the device itself—these adapters have been around for years—but rather how modern software now embraces them.
1. Compatibility with OBS Studio: Five years ago, using a cheap VID 214B grabber with Open Broadcaster Software (OBS) was a headache. Today, thanks to universal drivers, these devices are recognized as standard "DirectShow" video sources. This allows users not just to archive tapes, but to live-stream retro gameplay or use the capture card for modern surveillance setups.
2. The Driver Revolution:
For users encountering the VID_214B&PID_7250 ID string today, the solution is often a "universal driver" package. These are modified drivers originally intended for the Syntek chipsets that have been tweaked to work across all versions of Windows (7, 8, 10, and 11). This extends the lifespan of the hardware indefinitely, preventing it from becoming e-waste whenever Microsoft updates their OS.
Important notes:
-
This
.infalone is NOT enough – You need the actualhuion.sysdriver file (kernel-mode HID driver) and.catcatalog file for signing. Method 2: Manually Update the Driver If the- Without these, Windows will not install the device (error: driver not signed or missing files).
-
Where to get the real driver:
- Go to Huion official website → Support → Drivers → Search for your tablet model (by PID 7250: e.g., H640P, H420X, etc.).
- Download the full setup package. It will contain signed
.inf,.sys,.cat.
-
REV_0100 is just the firmware revision; Windows will match
USB\VID_214B&PID_7250(without REV) if you include both lines as shown above. -
Do not use this raw
.infunless you know what you’re doing – It will fail signature checks on modern Windows (10/11) unless you disable driver signature enforcement (not recommended permanently).
If you want, I can also help you:
- Identify exact Huion tablet model from
PID_7250 - Provide steps to force-install a generic HID-compliant driver
- Write a .reg file to fix device recognition issues
Just let me know.
Manual Driver Installation via INF File
If Windows fails to auto-detect, you can manually force it:
- Download a generic Anyka 7250 driver (from a trusted GitHub repo or tech forum like Badcaps.net).
- Extract the
.infand.sysfiles. - Right-click the
.inffile → Install. - Or, in Device Manager: Right-click the unknown device → Update driver → Browse my computer → Let me pick → Have disk → Point to the
.inf.
What Do the Codes Mean?
- VID (Vendor ID):
214Bis registered to "HID Interface Design" (or a closely associated OEM partner). This vendor specializes in reference designs for custom keyboards, point-of-sale (POS) scanners, and industrial control panels. - PID (Product ID):
7250falls within a block reserved for "Multi-touch Digitizer / Configurable Macro Pad." - REV (Revision):
0100indicates this is the first production hardware revision, likely released to manufacturing in late Q4 2025.
Scenario C: A Video Capture Card
Low-cost HDMI-to-USB or AV-to-USB capture dongles (e.g., "EasyCAP" clones) sometimes rebrand Anyka chips. If your device has RCA (yellow/red/white) or HDMI input, this is your product.
Example interpretations
-
Typical kernel-style entry (human-readable rewrite):
- “A USB device from vendor 0x214B with product ID 0x7250 (device label ‘amppid7250’), firmware revision 01.00, was newly detected.”
-
If you needed to match a driver:
- Driver probe can match on VID/PID: match vendor=0x214B and product=0x7250. If the driver also checks firmware revision, it may verify rev 01.00 (amprev0100) and only proceed if compatible.
-
For a udev rule example (pseudo):
- SUBSYSTEM=="usb", ATTRidVendor=="214b", ATTRidProduct=="7250", RUN+="/usr/local/bin/setup-amp --rev 01.00"

