> Sorry, psaux port is not _mouse_ port. People commonly use it for
> mouse, but what it is is strange ~9600 serial port at 5V. It does not
> have to do anything with mice. You can plug keyboard in there (I did
> it). Would you want your ttyS0 devices to disappear if modem is not
> connected to them?
Unfortunately, the AUX port isn't just a serial port. The electrical
protocol on it assumes that an ack byte for each byte sent to the
device. Yes, this is common to both mice and keyboards. So, it *might*
be reasonable to expect a response like that from the device, although
I'd prefer not to do that.
Vojtech
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