![]() Auto-download driver via Windows Update (Windows 11) Windows 11 Certified WHQL Driver ( 22H2 versions) ( For PL2303 HXD, SA, RA GC, GS, GT, GL, GE, GD, GR versions) I have looked at the SerialClient software option a while ago, but at the time I checked, it did not support changes in the port speed on the fly (that is, the software talking to the serial device changing the speed).Windows Driver Installer Setup Program ( Win7 / Win8.1 / Win10 / Win11) So can anyone who has a working USB-Serial adapter please chime in with some tips. It does not work at all with the lab equipment, presumably becuase the software tries to configure the port. If I use the device without changing speeds, I can talk to a Garmin eTrex Legend via serial port ONCE, that is, I can send or receive data once, then the serial port stops working and I have to unplug/plug the adapter back in agan. 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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March 2023
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