0403:c7d0 — RR-CirKits LocoBuffer-USB

This is the USB identifier for a RR-CirKits LocoBuffer-USB manufactured by Future Technology Devices International, Ltd. The vendor ID 0403 is registered to Future Technology Devices International, Ltd with the USB Implementers Forum, and c7d0 is the product ID that Future Technology Devices International, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 0403:c7d0 Future Technology Devices International, Ltd RR-CirKits LocoBuffer-USB.

Linux

$ lsusb
Bus 001 Device 004: ID 0403:c7d0 Future Technology Devices International, Ltd RR-CirKits LocoBuffer-USB

You can filter directly with lsusb -d 0403:c7d0, or get the full descriptor dump with lsusb -v -d 0403:c7d0. Kernel messages from dmesg show the same pair as idVendor=0403, idProduct=c7d0.

Windows

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

USB\VID_0403&PID_C7D0
USB\VID_0403&PID_C7D0&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0403&PID_C7D0"

macOS

$ system_profiler SPUSBDataType
    RR-CirKits LocoBuffer-USB:
      Product ID: 0xc7d0
      Vendor ID: 0x0403  (Future Technology Devices International, Ltd)

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. Future Technology Devices International, Ltd official support →

The exact lines this page is generated from, in the upstream source file:

0403  Future Technology Devices International, Ltd
	c7d0  RR-CirKits LocoBuffer-USB

• 0403:c631 i2c-tiny-usb interface
• 0403:c632 xu1541 c64 floppy drive interface
• 0403:c633 TinyCrypt dongle
• 0403:c634 glcd2usb interface
• 0403:c8b8 Alpermann+Velte MTD TCU
• 0403:c8b9 Alpermann+Velte MTD TCU 1HE
• 0403:c8ba Alpermann+Velte Rubidium H1
• 0403:c8bb Alpermann+Velte Rubidium H3

See all 179 devices from Future Technology Devices International, Ltd →