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UCRCOM(4) Device Drivers Manual UCRCOM(4)

ucrcomChromebook USB serial console

ucrcom* at uhub?
ucom* at ucrcom?

The ucrcom driver provides support for the serial console of some Chromebooks.

tty(4), ucom(4), uhub(4), usb(4)

The ucrcom device driver first appeared in OpenBSD 6.6.

The ucrcom driver was written by Mark Kettenis <>.

May 12, 2019 OpenBSD-current