Sewell serial to usb driver8/28/2023 ![]() Other times I get a few iterations of the device connect/disconnect/connect/disconnect/connect chimes, it usually settles down to connecting.Ĥ: I launch the KeySpan Serial Assistant software and it recognises the device.ĥ: Click on the diagnostic pane and test the port, and it always fails. Sometimes, I get a kernel panic here and have to reboot the computer. If anyone else has gotten further that I, please be good enough to share it with us here!ġ: Before launching Parallels, I plug in the adapter.Ģ: From the terminal, I type "sudo kextunload /System/Library/Extensions/KeyspanUSAdriver.kext" to unload the Mac-side driver to prevent the "USB device in use" blah blah message.ģ: I launch Parallels, and connect ti the USB device (I dont have autoconnect on). ![]() I have had only limited success with Parallels and the latest beta is no different. I also use the device using some home-grown Mac software via a KeySpan USB-Serial adapter (USA19HS), which has been working for years. The main reason I purchased Parallels was to communicate with a piece of lab equipment using software running under Windows. ![]() This subject gets mentioned from time to time in other threads, but I'd like to start one specific to this one issue.
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