umcs(4) on FreeBSD
The text 4f70bc03b5d8, as FreeBSD 12.4-RELEASE shipped it.
USB support for serial adapters based on the MCS7820 and MCS7840 chips
The text 4f70bc03b5d8, as FreeBSD 12.4-RELEASE shipped it.
USB support for serial adapters based on the MCS7820 and MCS7840 chips