A789 (PTP mode)
USB ID 17ef:749a · Lenovo
| Vendor | Lenovo |
|---|---|
| Vendor ID | 17ef |
| Device ID | 749a |
| Windows hardware ID | USB\VID_17EF&PID_749A |
| Linux modalias | usb:v17EFp749A |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 17ef:749a?
USB ID 17ef:749a is “A789 (PTP mode)” made by Lenovo (vendor ID 17ef, device ID 749a).
Which Linux driver supports A789 (PTP mode)?
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) is in my computer?
On Linux, lsusb -d 17ef:749a shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_17EF&PID_749A.
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
- 7217 – VGA adapter
- 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)
- 749b – A789 (PTP mode, with debug)
- 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)