04e6:03fe — DMHS2 DFU Adapter
SCM Microsystems, Inc.
- Vendor ID
- 04e6
- Product ID
- 03fe
- Combined
- 04e6:03fe
- Decimal
- 1254:1022
What is this device?
This is the USB identifier for a DMHS2 DFU Adapter manufactured by SCM Microsystems, Inc.. The vendor ID 04e6 is registered to SCM Microsystems, Inc. with the USB Implementers Forum, and 03fe is the product ID that SCM Microsystems, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 04e6:03fe SCM Microsystems, Inc. DMHS2 DFU Adapter.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04e6:03fe SCM Microsystems, Inc. DMHS2 DFU Adapter
You can filter directly with lsusb -d 04e6:03fe, or get the full descriptor dump with lsusb -v -d 04e6:03fe. Kernel messages from dmesg show the same pair as idVendor=04e6, idProduct=03fe.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04E6&PID_03FE USB\VID_04E6&PID_03FE&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04E6&PID_03FE"
macOS
$ system_profiler SPUSBDataType
DMHS2 DFU Adapter:
Product ID: 0x03fe
Vendor ID: 0x04e6 (SCM Microsystems, 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:
04e6 SCM Microsystems, Inc. 03fe DMHS2 DFU Adapter