UDA(4) Kernel Interfaces Manual (VAX) UDA(4)
NAME
udaUNIBUS MSCP disk controller driver
SYNOPSIS
uda0 at uba? csr 0172150
uda1 at uba? csr 0160334
mscpbus* at uda?
DESCRIPTION
The uda driver is for UNIBUS disk controllers that use MSCP. Among these controllers are:
 
DEC UDA50 UNIBUS ctlr
DEC KDA50 Q22 bus ctlr
DEC RQDX3 Q22 bus ctlr
 
The uda 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.
SEE ALSO
HISTORY
The uda driver appeared in 4.2BSD.
 
A new uda driver approach showed up in NetBSD 1.2.