If you own a desktop computer from the 80s, chances are high that it comes with a 9-pins rs232 port by default. Such devices include decoders, cell phones, PBXs, routers, PDAs, Cameras e.t.c. If you have devices that connect to the rs232 port to perform a special task such as software upgrade, or data transfer, then this post is for you. We recommend replacing your UC232A.This topic of how to use USB-to-Serial-Cable to connect devices rs232 ports to your laptop is one area that will bring relief to many people out there. use new chipset), your unit has the older chip version. Please check your UC232A serial number on the back of the unit (see picture) If the 3rd digit is less or equal to "9" (note letter such as A,B,C, etc. Fixes for Prolific devices: us/windows/forum/all/prolific-usb-to-serial-comm- port-windows-10/0a4f8e48-7135-4434-9d10- 349c9ce87fcf how-to-install/ Older Driver ver 3.6.81.359: Generic_Windows_PL2303_Prolific.zip You might be using an old UC232A "chipset" version that is not compatible with Windows 8 and later OS. Recommended to use ATEN UC232A USB to Serial For Windows 10+ make sure it uses the PL2303HXD chip. In Windows 8 Device Manager the yellow warning symbol will show for converters that used to work in Windows 7 but are too old to work now: In Windows 8 a newer name brand converter will work fine: The DNC Server software itself works fine on Windows 8. So if your USB to Serial converter worked in Windows 7 and doesn't work in Windows 8, it is probably because you have an older or no-name brand converter that does not have the latest version of chip in it. Note on Windows 8-10: Windows 8-10 is NOT supported for older versions of prolific chips.
Fixes for Prolific devices: windows-10/0a4f8e48-7135-4434-9d10-349c9ce87fcf Older Driver ver 3.6.81.359: You might be using an old UC232A "chipset" version that is not compatible with Windows 8 and later OS.
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