Calab Posted September 21, 2020 Share Posted September 21, 2020 I am using an SIO2PCUSB device to connect my Atari 130XE to my Windows 10 PC. The Windows 10 PC is a headless file server, so I can't see what is happening unless I connect to it remotely. It does log me on automatically, and RespeQT is set to start when I log in. Most times, when I try to start the connection I see a "Cannot open serial port 'COM5': Access is denied" message. If I keep clicking the connect button it will connect after a few tries. There is nothing else using COM5 that I can find. When the connection is made everything works great. But if I change a setting, or even just opening RespeQT, I can't be guaranteed that the connection will work. Does anyone have any idea why this might be happening? Quote Link to comment Share on other sites More sharing options...
ebiguy Posted September 21, 2020 Share Posted September 21, 2020 Could it be that the device is detected lately so that the COM5 port is created also too late. I am pretty sure that this issue has nothing to do with RespeQt. Quote Link to comment Share on other sites More sharing options...
Calab Posted September 21, 2020 Author Share Posted September 21, 2020 2 hours ago, ebiguy said: Could it be that the device is detected lately so that the COM5 port is created also too late. I am pretty sure that this issue has nothing to do with RespeQt. I don't think so. I can have a good connection, then change a setting. This makes RespeQT disconnect and reconnect and I get the error. Just a guess, but maybe RespeQT doesn't release the COM port quickly enough when it disconnects. Quote Link to comment Share on other sites More sharing options...
ebiguy Posted September 22, 2020 Share Posted September 22, 2020 7 hours ago, Calab said: This makes RespeQT disconnect and reconnect and I get the error. I know you have a headless Windows but could you get the logs when doing this operation. 7 hours ago, Calab said: RespeQT doesn't release the COM port quickly enough when it disconnects I am not aware of a difference between disconnect and release. I have to check but, to my knowledge, closing the COM port is enough to release it and does it all. Quote Link to comment Share on other sites More sharing options...
Kyle22 Posted September 28, 2020 Share Posted September 28, 2020 I run RespeQt 5.3, and it runs fine under Windows XP. :) Quote Link to comment Share on other sites More sharing options...
Calab Posted September 28, 2020 Author Share Posted September 28, 2020 Fixed the issue... I formatted the computer and reinstalled Windows 10. It was an upgrade from Win7 that was an upgrade from XP, so it was due anyhow. 2 Quote Link to comment Share on other sites More sharing options...
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