PPU-700
USB ID 1d90:201e · Citizen
| Vendor | Citizen |
|---|---|
| Vendor ID | 1d90 |
| Device ID | 201e |
| Windows hardware ID | USB\VID_1D90&PID_201E |
| Linux modalias | usb:v1D90p201E |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 1d90:201e?
USB ID 1d90:201e is “PPU-700” made by Citizen (vendor ID 1d90, device ID 201e).
Which Linux driver supports PPU-700?
Linux kernel 6.12 lists no driver for this exact ID. Most USB devices (keyboards, mice, storage, webcams, audio) still work through generic class drivers such as usbhid, usb-storage, uvcvideo or snd-usb-audio. Overview of device classes and their drivers
How do I check whether PPU-700 is in my computer?
On Linux, lsusb -d 1d90:201e shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_1D90&PID_201E.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.