umcs(4) on FreeBSD
The text b64482b4f92e, as FreeBSD 12.1-RELEASE shipped it.
USB support for serial adapters based on the MCS7820 and MCS7840 chips
The text b64482b4f92e, as FreeBSD 12.1-RELEASE shipped it.
USB support for serial adapters based on the MCS7820 and MCS7840 chips