05e9:0040 — Ethernet Adapter
Kawasaki LSI
- Vendor ID
- 05e9
- Product ID
- 0040
- Combined
- 05e9:0040
- Decimal
- 1513:64
What is this device?
This is the USB identifier for a Ethernet Adapter manufactured by Kawasaki LSI. The vendor ID 05e9 is registered to Kawasaki LSI with the USB Implementers Forum, and 0040 is the product ID that Kawasaki LSI assigned to this particular model. When you run lsusb on Linux, this device appears as 05e9:0040 Kawasaki LSI Ethernet Adapter.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 05e9:0040 Kawasaki LSI Ethernet Adapter
You can filter directly with lsusb -d 05e9:0040, or get the full descriptor dump with lsusb -v -d 05e9:0040. Kernel messages from dmesg show the same pair as idVendor=05e9, idProduct=0040.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_05E9&PID_0040 USB\VID_05E9&PID_0040&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05E9&PID_0040"
macOS
$ system_profiler SPUSBDataType
Ethernet Adapter:
Product ID: 0x0040
Vendor ID: 0x05e9 (Kawasaki LSI)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:
05e9 Kawasaki LSI 0040 Ethernet Adapter