0ca6:0050 — EZ220PU Reader Controller
Castles Technology Co., Ltd
- Vendor ID
- 0ca6
- Product ID
- 0050
- Combined
- 0ca6:0050
- Decimal
- 3238:80
What is this device?
This is the USB identifier for a EZ220PU Reader Controller manufactured by Castles Technology Co., Ltd. The vendor ID 0ca6 is registered to Castles Technology Co., Ltd with the USB Implementers Forum, and 0050 is the product ID that Castles Technology Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 0ca6:0050 Castles Technology Co., Ltd EZ220PU Reader Controller.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0ca6:0050 Castles Technology Co., Ltd EZ220PU Reader Controller
You can filter directly with lsusb -d 0ca6:0050, or get the full descriptor dump with lsusb -v -d 0ca6:0050. Kernel messages from dmesg show the same pair as idVendor=0ca6, idProduct=0050.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0CA6&PID_0050 USB\VID_0CA6&PID_0050&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0CA6&PID_0050"
macOS
$ system_profiler SPUSBDataType
EZ220PU Reader Controller:
Product ID: 0x0050
Vendor ID: 0x0ca6 (Castles Technology Co., Ltd)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:
0ca6 Castles Technology Co., Ltd 0050 EZ220PU Reader Controller