Even with the correct device ID, problems arise. Below are the most frequent issues and their fixes.
| Field | Value | |-------|-------| | Vendor | Kingston Technology Corp. | | Product Name | DataTraveler 100 G2 (DTIG2) / sometimes DataTraveler 101 G2 | | Device Type | USB Mass Storage Device (Flash Drive) | | Interface | USB 2.0 or USB 3.0 (depending on revision) | | Capacities seen | 4GB, 8GB, 16GB, 32GB |
This USB ID is widely reported in Windows Device Manager under "Universal Serial Bus controllers" or "Disk drives" when the device is properly functioning. However, if the driver is missing or corrupted, Windows may show it under "Other devices" as "Unknown device" with the hardware ID USB\VID_0951&PID_1666.
Cause: Corrupted partition table or firmware glitch. Solution: Use Kingston Format Utility (official link above) or diskpart clean command.
Duration: 60 minutes
Total points: 100
Instructions: Answer all questions. Show calculations or commands where requested. Practical tasks may require running commands or inspecting sample outputs; if you cannot execute them, explain expected results and how you would validate them.
Section A — Short answers (5 × 6 = 30 points)
Section B — Practical identification and commands (4 × 12 = 48 points) 6. (12 pts) On Linux, provide the exact commands to locate a USB device with VID 0951 and PID 1666, show its kernel device path, and display its full descriptor. Explain briefly what each command outputs.
Section C — Troubleshooting scenario (20 points) 10. You receive a support ticket: “Customer connected a USB device identified as VID=0951 PID=1666; Windows shows ‘Unknown USB device (Device Descriptor Request Failed)’.” Provide a structured troubleshooting plan (10 steps maximum) to isolate and resolve the issue. Include at least three distinct diagnostics (software and hardware) and two practical remediation actions. State expected outcomes for each diagnostic.
Section D — Educational extension (2 × 6 = 12 points) 11. (6 pts) Explain how USB device spoofing (changing reported VID/PID) can be used legitimately and maliciously. Provide two practical tips for defenders to detect spoofed devices on a network or host. 12. (6 pts) For an embedded developer building a USB product derived from a mass-storage controller that shows VID 0951 PID 1666 by default, explain how to ensure unique identification for production units (bootloader/fuse approach, serial numbers, and recommended USB descriptor fields to set). Provide one concise sample of a device descriptor fragment illustrating vendor, product, and serial string values (present as plain text, not binary).
Practical tips (bonus — up to 10 bonus points, awarded at grader's discretion) usb device id vid 0951 pid 1666 link
Grading rubric notes (for graders)
Answer key highlights (concise)
End of exam.
The USB device with VID 0951 and PID 1666 is a Kingston DataTraveler 3.0 flash drive. Specifically, this ID combination is common across several related models, including the DataTraveler 100 G3, G4, SE9 G2, and the DataTraveler Kyson. Key Device Information Manufacturer: Kingston Technology (Vendor ID: 0951). Product: DataTraveler 3.0 Series (Product ID: 1666).
Common Controller: Often uses the Phison PS2319 or PS2251-19 controller.
Interface: Supports USB 3.2 Gen 1 (also known as USB 3.0/3.1), with read speeds typically reaching up to 100–200 MB/s depending on the specific model and capacity. Drivers and Troubleshooting
Kingston DataTraveler drives are plug-and-play, meaning they do not require external driver downloads for modern operating systems like Windows, macOS, or Linux.
Official Support: You can find documentation and basic troubleshooting on the official Kingston Support page.
Performance Data: For real-world benchmarks from other users, you can check the NirSoft USB Speed Test database.
USB Flash Drive Speed Tests - VID = 951, PID = 1666 - NirSoft Even with the correct device ID, problems arise
Understanding USB Device ID: VID 0951 & PID 1666 The hardware identifiers VID 0951 and PID 1666 correspond to the Kingston DataTraveler 100 G3 or Exodia series USB 3.0 flash drives.
When you see these IDs, your computer is identifying the specific manufacturer and product model to load the correct drivers. 🛠️ What Do These IDs Mean? Every USB device has unique identification codes: VID (Vendor ID) 0951: Registered to Kingston Technology.
PID (Product ID) 1666: Refers to the DataTraveler 100 G3 / Exodia hardware line.
Link: This usually refers to the connection interface (USB 3.0/3.1) or the search for firmware/drivers. 🚀 Common Uses and Drivers
Most modern operating systems handle these devices automatically.
Windows 10/11: Uses "Plug and Play" (PnP) drivers. No manual install needed.
Linux: Recognized by the kernel as a standard mass storage device. macOS: Mounts automatically as a generic external drive. When You Need a Manual Link If the device is not showing up, you might be looking for:
Firmware Updates: Kingston occasionally releases firmware to fix "Write Protect" errors.
Formatting Tools: Kingston’s "Format Utility" is better than Windows' default tool for these specific chips.
Data Recovery: Specific software often asks for the PID/VID to identify the controller chip (like Phison or Skymedi). ⚠️ Troubleshooting "Device Not Recognized" Cause: Corrupted partition table or firmware glitch
If your computer sees the ID but can't access the files, try these steps: 1. Update Drivers via Device Manager Right-click Start > Device Manager. Expand Universal Serial Bus controllers. Find the entry for Kingston/Mass Storage Device. Right-click > Update driver. 2. Check Disk Management Search for "Create and format hard disk partitions." Look for a "Removable" disk with "Unallocated" space. Right-click the block and select New Simple Volume. 3. Fix Write Protection
If the drive is "Read Only," the PID 1666 hardware may have locked itself to prevent data loss.
Use the Kingston Format Utility (available on the official Kingston support site).
Try the diskpart command in Command Prompt to "clear readonly" attributes. 🔍 Technical Specifications Manufacturer Kingston Technology Speed Standard USB 3.0 (Backwards compatible with 2.0) Common Capacities 16GB, 32GB, 64GB, 128GB, 256GB Controller Often utilizes Phison electronics 📥 Official Download Links
To ensure your device stays safe, avoid third-party "driver updater" sites. Official Support: Visit the Kingston Support Page.
Verification: Use ChipGenius to verify if your VID/PID matches the internal controller (useful for spotting fakes).
Are you currently experiencing a specific error (like "Write Protected" or "Please Insert Disk")? I can provide a step-by-step guide to reviving the drive if you tell me what happened right before it stopped working.
In corporate environments, IT administrators use scripts to scan the network for hardware. Scanning for VID_0951&PID_1666 allows them to audit exactly how many Kingston DT100 G3 drives are connected to company machines for security or asset management purposes.
No link required. Linux uses the usb-storage module. macOS uses native mass storage support. If not mounting, check Disk Utility.
If you found this ID while running a forensic recovery tool or USB logging software (like USBDeview or LogiScope), it simply confirms that a Kingston DataTraveler 100 G3 was connected to the machine. This is often used to track data exfiltration or physical device access.
If you have landed on this page searching for "usb device id vid 0951 pid 1666 link", you are likely dealing with an unknown, unrecognized, or driverless USB peripheral connected to your Windows, Linux, or macOS computer. This specific string—VID 0951 PID 1666—is not random gibberish. It is a structured hardware identification code that every USB device reports to the operating system.
In this comprehensive guide, we will break down exactly what VID 0951 PID 1666 means, which manufacturer and product it belongs to, how to find the correct driver download link, and step-by-step troubleshooting if your computer fails to recognize the device.