When a peripheral is connected to a computer, the operating system reads its descriptors to identify the proper system-level drivers. Each block of the string serves a precise role:
Because this VID/PID pair is common in cheap, unbranded flash drives, they are sometimes used in attacks or preloaded with malware. Always scan the device before use.
refers to the specific firmware version or hardware revision of that chip. usb vid-214b amp-pid-7250 amp-rev-0100
Budget-friendly, non-powered 4-port expansion hubs.
Specifically identifies the HS8836A 4-port hub controller chip. When a peripheral is connected to a computer,
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 16-bit Product ID assigned by the manufacturer to this specific internal chip model. 0100 Revision 1.0.0 refers to the specific firmware version or hardware
Every USB device uses a unique string of identifiers so your operating system knows which driver to load. Here is how this specific string breaks down:
: Represents firmware version 1.00 , informing the operating system of the exact silicon revision layout. Technical Specifications