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
overflowed and incoming data has been lost.
SEE ALSOintro(4), lkkbd(4), lkms(4), tty(4), vxtbus(4)OpenBSD 4.9 May 31, 2007 OpenBSD 4.9