03f9:0100 — KT-2001 Keyboard
KeyTronic Corp.
- Vendor ID
- 03f9
- Product ID
- 0100
- Combined
- 03f9:0100
- Decimal
- 1017:256
What is this device?
This is the USB identifier for a KT-2001 Keyboard manufactured by KeyTronic Corp.. The vendor ID 03f9 is registered to KeyTronic Corp. with the USB Implementers Forum, and 0100 is the product ID that KeyTronic Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 03f9:0100 KeyTronic Corp. KT-2001 Keyboard.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 03f9:0100 KeyTronic Corp. KT-2001 Keyboard
You can filter directly with lsusb -d 03f9:0100, or get the full descriptor dump with lsusb -v -d 03f9:0100. Kernel messages from dmesg show the same pair as idVendor=03f9, idProduct=0100.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_03F9&PID_0100 USB\VID_03F9&PID_0100&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_03F9&PID_0100"
macOS
$ system_profiler SPUSBDataType
KT-2001 Keyboard:
Product ID: 0x0100
Vendor ID: 0x03f9 (KeyTronic Corp.)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:
03f9 KeyTronic Corp. 0100 KT-2001 Keyboard