066f:4200 — STIr4200 IrDA Bridge
SigmaTel, Inc.
- Vendor ID
- 066f
- Product ID
- 4200
- Combined
- 066f:4200
- Decimal
- 1647:16896
What is this device?
This is the USB identifier for a STIr4200 IrDA Bridge manufactured by SigmaTel, Inc.. The vendor ID 066f is registered to SigmaTel, Inc. with the USB Implementers Forum, and 4200 is the product ID that SigmaTel, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 066f:4200 SigmaTel, Inc. STIr4200 IrDA Bridge.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 066f:4200 SigmaTel, Inc. STIr4200 IrDA Bridge
You can filter directly with lsusb -d 066f:4200, or get the full descriptor dump with lsusb -v -d 066f:4200. Kernel messages from dmesg show the same pair as idVendor=066f, idProduct=4200.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_066F&PID_4200 USB\VID_066F&PID_4200&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_066F&PID_4200"
macOS
$ system_profiler SPUSBDataType
STIr4200 IrDA Bridge:
Product ID: 0x4200
Vendor ID: 0x066f (SigmaTel, Inc.)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:
066f SigmaTel, Inc. 4200 STIr4200 IrDA Bridge