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MOSCOM(4) Device Drivers Manual MOSCOM(4)

moscomMosChip Semiconductor MCS7703 based USB serial adapter

moscom* at uhub?
ucom* at moscom?

The moscom driver supports MosChip Semiconductor MCS7703 based serial adapters.

The following devices should work with the moscom driver:


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

The moscom device driver first appeared in OpenBSD 4.1.

The moscom driver was written by Jonathan Gray <>.

July 16, 2013 OpenBSD-6.3