A789 (PTP mode, with debug)
USB ID 17ef:749b · Lenovo
| Vendor | Lenovo |
|---|---|
| Vendor ID | 17ef |
| Device ID | 749b |
| Windows hardware ID | USB\VID_17EF&PID_749B |
| Linux modalias | usb:v17EFp749B |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 17ef:749b?
USB ID 17ef:749b is “A789 (PTP mode, with debug)” made by Lenovo (vendor ID 17ef, device ID 749b).
Which Linux driver supports A789 (PTP mode, with debug)?
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 A789 (PTP mode, with debug) is in my computer?
On Linux, lsusb -d 17ef:749b shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_17EF&PID_749B.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.
Nearby entries
- 7423 – IdeaPad A1 Tablet
- 7435 – A789 (Mass Storage mode, with debug)
- 743a – A789 (Mass Storage mode)
- 7497 – A789 (MTP mode)
- 7498 – A789 (MTP mode, with debug)
- 749a – A789 (PTP mode)
- 7604 – A760 (Mass Storage mode)
- 7605 – A760 (Mass Storage mode, with debug)
- 760a – A760 (MTP mode)
- 760b – A760 (MTP mode, with debug)
- 760c – A760 (PTP mode)
- 760d – A760 (PTP mode, with debug)