17ef:7205 — Thinkpad LAN
Lenovo
- Vendor ID
- 17ef
- Product ID
- 7205
- Combined
- 17ef:7205
- Decimal
- 6127:29189
What is this device?
This is the USB identifier for a Thinkpad LAN manufactured by Lenovo. The vendor ID 17ef is registered to Lenovo with the USB Implementers Forum, and 7205 is the product ID that Lenovo assigned to this particular model. When you run lsusb on Linux, this device appears as 17ef:7205 Lenovo Thinkpad LAN.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 17ef:7205 Lenovo Thinkpad LAN
You can filter directly with lsusb -d 17ef:7205, or get the full descriptor dump with lsusb -v -d 17ef:7205. Kernel messages from dmesg show the same pair as idVendor=17ef, idProduct=7205.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_17EF&PID_7205 USB\VID_17EF&PID_7205&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_17EF&PID_7205"
macOS
$ system_profiler SPUSBDataType
Thinkpad LAN:
Product ID: 0x7205
Vendor ID: 0x17ef (Lenovo)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:
17ef Lenovo 7205 Thinkpad LAN