28e9:0189 — GD32 DFU Bootloader (Longan Nano)
GDMicroelectronics
- Vendor ID
- 28e9
- Product ID
- 0189
- Combined
- 28e9:0189
- Decimal
- 10473:393
What is this device?
This is the USB identifier for a GD32 DFU Bootloader (Longan Nano) manufactured by GDMicroelectronics. The vendor ID 28e9 is registered to GDMicroelectronics with the USB Implementers Forum, and 0189 is the product ID that GDMicroelectronics assigned to this particular model. When you run lsusb on Linux, this device appears as 28e9:0189 GDMicroelectronics GD32 DFU Bootloader (Longan Nano).
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 28e9:0189 GDMicroelectronics GD32 DFU Bootloader (Longan Nano)
You can filter directly with lsusb -d 28e9:0189, or get the full descriptor dump with lsusb -v -d 28e9:0189. Kernel messages from dmesg show the same pair as idVendor=28e9, idProduct=0189.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_28E9&PID_0189 USB\VID_28E9&PID_0189&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_28E9&PID_0189"
macOS
$ system_profiler SPUSBDataType
GD32 DFU Bootloader (Longan Nano):
Product ID: 0x0189
Vendor ID: 0x28e9 (GDMicroelectronics)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:
28e9 GDMicroelectronics 0189 GD32 DFU Bootloader (Longan Nano)