726c:2149 — EntropyKing Random Number Generator
StackFoundry LLC
- Vendor ID
- 726c
- Product ID
- 2149
- Combined
- 726c:2149
- Decimal
- 29292:8521
What is this device?
This is the USB identifier for a EntropyKing Random Number Generator manufactured by StackFoundry LLC. The vendor ID 726c is registered to StackFoundry LLC with the USB Implementers Forum, and 2149 is the product ID that StackFoundry LLC assigned to this particular model. When you run lsusb on Linux, this device appears as 726c:2149 StackFoundry LLC EntropyKing Random Number Generator.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 726c:2149 StackFoundry LLC EntropyKing Random Number Generator
You can filter directly with lsusb -d 726c:2149, or get the full descriptor dump with lsusb -v -d 726c:2149. Kernel messages from dmesg show the same pair as idVendor=726c, idProduct=2149.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_726C&PID_2149 USB\VID_726C&PID_2149&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_726C&PID_2149"
macOS
$ system_profiler SPUSBDataType
EntropyKing Random Number Generator:
Product ID: 0x2149
Vendor ID: 0x726c (StackFoundry LLC)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
726c StackFoundry LLC 2149 EntropyKing Random Number Generator