umcs(4) on FreeBSD
The text 548d5c8d251a, as FreeBSD 12.0-RELEASE shipped it.
USB support for serial adapters based on the MCS7820 and MCS7840 chips
The text 548d5c8d251a, as FreeBSD 12.0-RELEASE shipped it.
USB support for serial adapters based on the MCS7820 and MCS7840 chips