0446:6781 — Keyboard with PS/2 Mouse Port

This is the USB identifier for a Keyboard with PS/2 Mouse Port manufactured by NMB Technologies Corp.. The vendor ID 0446 is registered to NMB Technologies Corp. with the USB Implementers Forum, and 6781 is the product ID that NMB Technologies Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0446:6781 NMB Technologies Corp. Keyboard with PS/2 Mouse Port.

Linux

$ lsusb
Bus 001 Device 004: ID 0446:6781 NMB Technologies Corp. Keyboard with PS/2 Mouse Port

You can filter directly with lsusb -d 0446:6781, or get the full descriptor dump with lsusb -v -d 0446:6781. Kernel messages from dmesg show the same pair as idVendor=0446, idProduct=6781.

Windows

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

USB\VID_0446&PID_6781
USB\VID_0446&PID_6781&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0446&PID_6781"

macOS

$ system_profiler SPUSBDataType
    Keyboard with PS/2 Mouse Port:
      Product ID: 0x6781
      Vendor ID: 0x0446  (NMB Technologies Corp.)

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:

0446  NMB Technologies Corp.
	6781  Keyboard with PS/2 Mouse Port

• 0446:6782 Keyboard

See all 2 devices from NMB Technologies Corp. →