USB\VID_10C4&PID_EA70
CP2105 Dual UART Bridge driver
USB\VID_10C4&PID_EA70 is the Silicon Labs CP2105 Dual UART Bridge, an USB serial adapter device. It turns USB into a serial COM port. Without the chip driver no COM port appears. Get it from Windows Update or your PC maker first; the chip maker's own package is on silabs.com.
Device details
| Hardware ID | USB\VID_10C4&PID_EA70 |
|---|---|
| Device name | CP2105 Dual UART Bridge |
| Maker | Silicon Labs (USB vendor ID 10C4) |
| Device type | USB serial adapter |
| Driver guide | CP210x driver for Windows |
| Latest official package | CP210x Universal Windows Driver 11.6.0, October 2, 2026 |
How to install the driver for CP2105 Dual UART Bridge
- Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with
USB\VID_10C4&PID_EA70. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Some serial chips get their driver here automatically.
- Check your PC maker. Enter your model or serial number on its support site and look under the device or board maker's downloads.
- Use the chip maker's package. CP210x Universal Windows Driver on silabs.com. Our cp210x driver for windows guide explains which package fits.
- Restart and check. Open Ports (COM & LPT) in Device Manager and note the COM number.
Other Silicon Labs usb serial adapter IDs
VID_10C4&PID_80A9CP210x to UART Bridge ControllerVID_10C4&PID_EA60CP210x UART BridgeVID_10C4&PID_EA61CP210x UART BridgeVID_10C4&PID_EA63CP210x UART BridgeVID_10C4&PID_EA71CP2108 Quad UART BridgeVID_10C4&PID_EA80CP2110 HID UART BridgeVID_10C4&PID_EA90CP2112 HID I2C BridgeVID_10C4&PID_EA91CP2112 HID SMBus/I2C Bridge for CP2614 Evaluation Kit
Device names: The Linux USB ID list, public data. We never host driver files: downloads come from the maker.