EFM8UB1 Bootloader
USB ID 10c4:eac9 · Silicon Labs
| Vendor | Silicon Labs |
|---|---|
| Vendor ID | 10c4 |
| Device ID | eac9 |
| Windows hardware ID | USB\VID_10C4&PID_EAC9 |
| Linux modalias | usb:v10C4pEAC9 |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 10c4:eac9?
USB ID 10c4:eac9 is “EFM8UB1 Bootloader” made by Silicon Labs (vendor ID 10c4, device ID eac9).
Which Linux driver supports EFM8UB1 Bootloader?
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 EFM8UB1 Bootloader is in my computer?
On Linux, lsusb -d 10c4:eac9 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_10C4&PID_EAC9.
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
- ea90 – CP2112 HID I2C Bridge
- ea91 – CP2112 HID SMBus/I2C Bridge for CP2614 Evaluation Kit
- ea93 – CP2112 HID SMBus/I2C Bridge for CP2615 Evaluation Kit
- eab0 – CP2114 I2S Audio Bridge
- eac0 – CP2614 MFi Accessory Digital Audio Bridge
- eac1 – CP2615 I2S Audio Bridge
- eaca – EFM8UB2 Bootloader
- eacb – EFM8UB3 Bootloader