From what I've read, the correct revision number is critical, as there are 3 different chipsets that they used. Driver scan, Belkin F5U409 Serial Port COM4 - windows 7.Shop USB Adapters for Less. In Windows XP, you need to run several times the above steps. You understand that without this provision. Online shopping from a great selection at Electronics Store. Where are the new drivers for the Belkin F5U409 USB to Serial adapter that will work with Windows 7? Will be back on payday to donate. I have successfully used the software on a Windows 8 platform with no issues, however. I have a USB to Serial adapter that I would like to use in WIndows 7 圆4 but Belkin does not have hany drivers for 圆4. Yves said, Already an owner of Belkin F5U since many years but needed to buy another adapter for the work. The model matches up and it is most definitely a USB serial cable as the picture shows, S On win7 the drivers come down Win Update. Download Now BELKIN USB TO SERIAL F5U409 DRIVER