QSC(4)                 OpenBSD Programmer's Manual (VAX)                QSC(4)

NAME
     qsc - SC26C94 quad UART controller

SYNOPSIS
     qsc0 at vxtbus0
     lkkbd0 at qsc0 line 2
     lkms0  at qsc0 line 3

DESCRIPTION
     The qsc driver provides support for the SC26C94-driven serial ports on
     the VXT2000 terminals.

     On these machines, line 0 is connected to the serial connector on the
     back, while line 2 and line 3 are connected to the keyboard and mouse
     connectors, which are driven by the lkkbd and lkms drivers, respectively.
     Line 1 is not connected to anything.

FILES
     /dev/ttyb[0-3]

DIAGNOSTICS
     qsc%d line %d: receiver overrun  The 8 character input fifo has over-
     flowed and incoming data has been lost.

SEE ALSO
     intro(4), lkkbd(4), lkms(4), tty(4), vxtbus(4)

OpenBSD 4.7                      May 31, 2007                                1
