PCI\VEN_8086&DEV_43A9
500 Series Chipset Family UART #1 driver
PCI\VEN_8086&DEV_43A9 is the Intel Corporation 500 Series Chipset Family UART #1, a Serial IO device. It connects the touchpad, sensors or buttons on many laptops. If it has no driver the touchpad or rotation sensor may not work. Get it from Windows Update or your PC maker first; the chip maker's own package is on intel.com.
Device details
| Hardware ID | PCI\VEN_8086&DEV_43A9 |
|---|---|
| Device name | 500 Series Chipset Family UART #1 |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | Serial IO |
| Driver guide | Get the Intel Serial IO driver |
How to install the driver for 500 Series Chipset Family UART #1
- Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with
PCI\VEN_8086&DEV_43A9. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Serial IO drivers are rarely offered here, so the PC maker is the main source.
- Check your PC maker. Enter your model or serial number on its support site and look under Chipset.
- Use the chip maker's package. Intel Serial IO Driver for 11th Generation Intel NUC products (SetupSerialIO.exe) on intel.com. Our get the intel serial io driver guide explains which package fits.
- Restart and check. Test the touchpad and any sensors after the restart.
Other Intel serial io IDs
VEN_8086&DEV_38A4Ice Lake SPI ControllerVEN_8086&DEV_43A4500 Series Chipset Family SPI (flash) ControllerVEN_8086&DEV_43A7500 Series Chipset Family UART #2VEN_8086&DEV_43A8500 Series Chipset Family UART #0VEN_8086&DEV_43AD500 Series Chipset Family I2C #4VEN_8086&DEV_43AE500 Series Chipset Family I2C #5VEN_8086&DEV_43D8500 Series Chipset Family I2C #6VEN_8086&DEV_43DA500 Series Chipset Family UART #3
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.