Posted May 20, 201014 yr How can I tell what has grabbed a com port. I try to connect to COM1 but am told it is in use, but I haven't intentionally connected any thing to it. My boot.ini has the /fastdetect /NoExecute=OptIn options so nothing should be causing a problem at boot. This is a remote machine and I do have a COM1 serial connection that could be trying to send data at boot, but the /fastdetect should prevent that from being seen. Any help appreciated. -- Marco UCO Lick Observatory Laboratory for Adaptive Optics
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