1a2c:427c — Backlit Keyboard [Cougar Vantar]
China Resource Semico Co., Ltd
- Vendor ID
- 1a2c
- Product ID
- 427c
- Combined
- 1a2c:427c
- Decimal
- 6700:17020
What is this device?
This is the USB identifier for a Backlit Keyboard [Cougar Vantar] manufactured by China Resource Semico Co., Ltd. The vendor ID 1a2c is registered to China Resource Semico Co., Ltd with the USB Implementers Forum, and 427c is the product ID that China Resource Semico Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 1a2c:427c China Resource Semico Co., Ltd Backlit Keyboard [Cougar Vantar].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 1a2c:427c China Resource Semico Co., Ltd Backlit Keyboard [Cougar Vantar]
You can filter directly with lsusb -d 1a2c:427c, or get the full descriptor dump with lsusb -v -d 1a2c:427c. Kernel messages from dmesg show the same pair as idVendor=1a2c, idProduct=427c.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_1A2C&PID_427C USB\VID_1A2C&PID_427C&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1A2C&PID_427C"
macOS
$ system_profiler SPUSBDataType
Backlit Keyboard [Cougar Vantar]:
Product ID: 0x427c
Vendor ID: 0x1a2c (China Resource Semico Co., Ltd)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:
1a2c China Resource Semico Co., Ltd 427c Backlit Keyboard [Cougar Vantar]