04e1:0201 — Monitor Hub
Iiyama North America, Inc.
- Vendor ID
- 04e1
- Product ID
- 0201
- Combined
- 04e1:0201
- Decimal
- 1249:513
What is this device?
This is the USB identifier for a Monitor Hub manufactured by Iiyama North America, Inc.. The vendor ID 04e1 is registered to Iiyama North America, Inc. with the USB Implementers Forum, and 0201 is the product ID that Iiyama North America, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 04e1:0201 Iiyama North America, Inc. Monitor Hub.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04e1:0201 Iiyama North America, Inc. Monitor Hub
You can filter directly with lsusb -d 04e1:0201, or get the full descriptor dump with lsusb -v -d 04e1:0201. Kernel messages from dmesg show the same pair as idVendor=04e1, idProduct=0201.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04E1&PID_0201 USB\VID_04E1&PID_0201&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04E1&PID_0201"
macOS
$ system_profiler SPUSBDataType
Monitor Hub:
Product ID: 0x0201
Vendor ID: 0x04e1 (Iiyama North America, Inc.)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:
04e1 Iiyama North America, Inc. 0201 Monitor Hub