04d8:fc1e — Bachrus Speedometer Interface

This is the USB identifier for a Bachrus Speedometer Interface manufactured by Microchip Technology, Inc.. The vendor ID 04d8 is registered to Microchip Technology, Inc. with the USB Implementers Forum, and fc1e is the product ID that Microchip Technology, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 04d8:fc1e Microchip Technology, Inc. Bachrus Speedometer Interface.

Linux

$ lsusb
Bus 001 Device 004: ID 04d8:fc1e Microchip Technology, Inc. Bachrus Speedometer Interface

You can filter directly with lsusb -d 04d8:fc1e, or get the full descriptor dump with lsusb -v -d 04d8:fc1e. Kernel messages from dmesg show the same pair as idVendor=04d8, idProduct=fc1e.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_04D8&PID_FC1E
USB\VID_04D8&PID_FC1E&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04D8&PID_FC1E"

macOS

$ system_profiler SPUSBDataType
    Bachrus Speedometer Interface:
      Product ID: 0xfc1e
      Vendor ID: 0x04d8  (Microchip Technology, Inc.)

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.

The exact lines this page is generated from, in the upstream source file:

04d8  Microchip Technology, Inc.
	fc1e  Bachrus Speedometer Interface

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