umcs(4) on FreeBSD
The text e5f2cbdc8e46, as FreeBSD 11.4-RELEASE shipped it.
USB support for serial adapters based on the MCS7820 and MCS7840 chips
The text e5f2cbdc8e46, as FreeBSD 11.4-RELEASE shipped it.
USB support for serial adapters based on the MCS7820 and MCS7840 chips