04d9:1605 — Keyboard
Holtek Semiconductor, Inc.
- Vendor ID
- 04d9
- Product ID
- 1605
- Combined
- 04d9:1605
- Decimal
- 1241:5637
What is this device?
This is the USB identifier for a Keyboard manufactured by Holtek Semiconductor, Inc.. The vendor ID 04d9 is registered to Holtek Semiconductor, Inc. with the USB Implementers Forum, and 1605 is the product ID that Holtek Semiconductor, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 04d9:1605 Holtek Semiconductor, Inc. Keyboard.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04d9:1605 Holtek Semiconductor, Inc. Keyboard
You can filter directly with lsusb -d 04d9:1605, or get the full descriptor dump with lsusb -v -d 04d9:1605. Kernel messages from dmesg show the same pair as idVendor=04d9, idProduct=1605.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04D9&PID_1605 USB\VID_04D9&PID_1605&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04D9&PID_1605"
macOS
$ system_profiler SPUSBDataType
Keyboard:
Product ID: 0x1605
Vendor ID: 0x04d9 (Holtek Semiconductor, 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:
04d9 Holtek Semiconductor, Inc. 1605 Keyboard