1d90:201e — PPU-700
Citizen
- Vendor ID
- 1d90
- Product ID
- 201e
- Combined
- 1d90:201e
- Decimal
- 7568:8222
What is this device?
This is the USB identifier for a PPU-700 manufactured by Citizen. The vendor ID 1d90 is registered to Citizen with the USB Implementers Forum, and 201e is the product ID that Citizen assigned to this particular model. When you run lsusb on Linux, this device appears as 1d90:201e Citizen PPU-700.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 1d90:201e Citizen PPU-700
You can filter directly with lsusb -d 1d90:201e, or get the full descriptor dump with lsusb -v -d 1d90:201e. Kernel messages from dmesg show the same pair as idVendor=1d90, idProduct=201e.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_1D90&PID_201E USB\VID_1D90&PID_201E&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1D90&PID_201E"
macOS
$ system_profiler SPUSBDataType
PPU-700:
Product ID: 0x201e
Vendor ID: 0x1d90 (Citizen)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:
1d90 Citizen 201e PPU-700