Solved Accessing serial port on docking station

B

balanga

I've just hooked up a ThinkPad T42 to a docking station which has an RS232 port. How do I tell if FreeBSD (11.2) recognises it?

Presumably the existance of some particular file in /dev/ would tell me.

Running grep uart /var/run/dmesg.boot did not show anything.
 
Datapanic said:
Is it enabled in the BIOS?
Click to expand...

I guess so since I booted up Arch Linux and was able to use the port which was identified as /dev/ttyS0.

Having said that I've just checked the BIOS and it was marked as disabled so I don't understand how Linux was able to use it....

Just noticed on rebooting after enabling it, I now have a /dev/ttyu0 so I guess that must be it.
 
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