Oct 9, 2015 - I have a Prolific USB to Serial adaptor and would like to be able to read. I have added the line to /etc/modules so the drivers load and the. The uplcom driver provides support for various serial adapters based on the Prolific PL-2303, PL-2303X and PL-2303HX USB-to-RS232 Bridge chips. Don caballero american don. The device is accessed through the ucom(4) driver which makes it behave like a tty(4).

Getting the Prolific USB serial adapter working with Windows 8 can be difficult. Especially if you are studying for CCNA and you need to access a 2960G switch on Windows with Putty. As strange as it may look, you need an outdated driver to make it work. The only working version I have found is 3.3.2.102, which you can find at this link: After installing this driver, you need to force this driver version by going to device manager, choose update driver by right clicking on the Prolific adapter, then choose “browse my computer for driver software”, then “let me pick”.

On the next window, it should show you different versions of the driver, and you need to choose version 3.3.2.102. This will get the device working on Windows. Prolific driver update. The Prolific driver is now configured in Windows 8 Enterprise. Updating the Prolific driver in Device Manager. Now we force the installation of the installed driver and configure our device for use.

Most of case, PL2303 driver is installed and apply to below command to verify it.