These alphanumeric codes are vital for operating systems to recognize, communicate with, and load the correct software drivers for connected hardware. What Do VID and PID Stand For?
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Associated with generic or white-label manufacturers, often associated with FirstChip controller chips.
Armed with the diagnostic and recovery tools outlined in this guide, you can uncover the true nature of any drive bearing this identifier and potentially revive a "bricked" device using the correct MP tools. If you have purchased such a drive and it fails the H2testw verification, use the recovery steps to reclaim the real capacity and use the drive safely, or request a refund immediately. Understanding these codes is the first step toward protecting your data from corruption and loss. vid 346d pid 5678
A 16-bit number assigned by the manufacturer to a specific device or product line. The manufacturer manages these IDs to distinguish between different models, chips, or revisions.
If you can provide a bit more context — like the platform, website, or system where these appear — I’d be glad to help interpret or draft a description, summary, or analysis of the piece.
If Windows lists the device as an "Unknown Device", do not look for custom third-party drivers. The VID 346D PID 5678 device depends entirely on the operating system's native . HDD GURU FORUMS • View topic - FirstChip FC2279 BA7 These alphanumeric codes are vital for operating systems
If the device shows up as VID_346D&PID_5678 , standard data recovery software packages (like Recuva, EaseUS, or Drill) will be able to scan the memory chips. These software applications require the operating system to successfully talk to the controller, which is currently broken.
If the device is plugged into a blue (USB 3.0) port, move it to a black or white (USB 2.0) port. Specialized tokens often conflict with newer USB 3.0 controllers.
If your device is failing to work, dropping connections, or showing up as an "Unknown Device," follow these troubleshooting steps to restore functionality. Step 1: Fix Driver Issues Armed with the diagnostic and recovery tools outlined
Registered to Shenzhen SanDiYiXin Electronic Co., LTD , a hardware manufacturer based in China.
Plug it into a different USB port—preferably a on the back of the motherboard, as USB 3.0 ports can sometimes cause timing issues with older controllers. Finding the Right Drivers
If the drive contains critical, irreplaceable data, using MPTools. Doing so completely overwrites the storage maps. Instead, you must send the physical drive to a professional data recovery lab. Technicians there can physically desolder the NAND flash memory chips from the circuit board and read the raw data sectors using external hardware readers. To help narrow down the best solution, let me know: What is the exact brand and model of the USB device?
While the VID/PID tell you it's a FirstChip, you need the exact controller model (e.g., FC1178, FC1179) to use the right tool.
Sometimes forcing a hardware scan helps after the driver is installed but not recognized: