MTC(4) Device Drivers Manual (vax) MTC(4)

mtc
UNIBUS MSCP tape controller driver

mtc0 at uba? csr 0174500
mscpbus* at mtc?

The mtc driver is for UNIBUS tape controllers that use MSCP. Among these controllers are: The mtc communicates with the host through a packet protocol known as the Mass Storage Control Protocol (MSCP). Consult the file <mscp/mscp.h> for a detailed description of this protocol.

vax/intro(4)

The mtc driver appeared in NetBSD 1.2.
February 17, 2017 NetBSD 9.4