Listed below is a web site that talks about the converter problems with links to sources for reliable converters:įor the record, ProScan support is provided in this thread: įollow W9BU's advice. You can buy RS-232 to USB converters that have the FTDI chipset. Your computer sees what it thinks is a Prolific chipset, so it installs the Prolific driver, but that won't work with the chipset. Prolific countered this by writing drivers that will not work with the cloned chipsets.
The Chinese chip manufacturers cloned the Prolific chipset and started making knock-off converters. However, that may not solve your problem. You may have to visit Prolific's web site to find the correct driver and then install it. The Prolific chipset is very dependent on having the correct driver for your operating system. The FTDI chipset and drivers are very reliable and generally work pretty well with most Windows operating system versions from XP to 8.1. There are two brands of chipsets typically used in these converters: FTDI and Prolific. What brand of converter are you using? What chipset does it use? You have an RS-232 to USB converter issue. From your description, you don't have a ProScan issue.
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