TCC77X-based players (USB Boot mode)
USB ID 140e:b021 · Telechips, Inc.
| Vendor | Telechips, Inc. |
|---|---|
| Vendor ID | 140e |
| Device ID | b021 |
| Windows hardware ID | USB\VID_140E&PID_B021 |
| Linux modalias | usb:v140EpB021 |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 140e:b021?
USB ID 140e:b021 is “TCC77X-based players (USB Boot mode)” made by Telechips, Inc. (vendor ID 140e, device ID b021).
Which Linux driver supports TCC77X-based players (USB Boot 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 TCC77X-based players (USB Boot mode) is in my computer?
On Linux, lsusb -d 140e:b021 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_140E&PID_B021.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.