040b:2000 wired Keyboard [Dynex DX-WRK1401]

Weltrend Semiconductor

Vendor ID
040b
Product ID
2000
Combined
040b:2000
Decimal
1035:8192

What is this device?

This is the USB identifier for a wired Keyboard [Dynex DX-WRK1401] manufactured by Weltrend Semiconductor. The vendor ID 040b is registered to Weltrend Semiconductor with the USB Implementers Forum, and 2000 is the product ID that Weltrend Semiconductor assigned to this particular model. When you run lsusb on Linux, this device appears as 040b:2000 Weltrend Semiconductor wired Keyboard [Dynex DX-WRK1401].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 040b:2000 Weltrend Semiconductor wired Keyboard [Dynex DX-WRK1401]

You can filter directly with lsusb -d 040b:2000, or get the full descriptor dump with lsusb -v -d 040b:2000. Kernel messages from dmesg show the same pair as idVendor=040b, idProduct=2000.

Windows

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

USB\VID_040B&PID_2000
USB\VID_040B&PID_2000&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_040B&PID_2000"

macOS

$ system_profiler SPUSBDataType
    wired Keyboard [Dynex DX-WRK1401]:
      Product ID: 0x2000
      Vendor ID: 0x040b  (Weltrend Semiconductor)

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:

040b  Weltrend Semiconductor
	2000  wired Keyboard [Dynex DX-WRK1401]

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