xref: /netbsd-src/share/man/man4/man4.sparc64/sab.4 (revision b417193411013c132a5ed4775f634144bbe39beb)
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27.Dd January 18, 2010
28.Dt SAB 4 sparc64
29.Os
30.Sh NAME
31.Nm sab ,
32.Nm sabtty
33.Nd
34.Tn Infineon
3582532 Enhanced Serial Communication Controller (ESCC2)
36.Sh SYNOPSIS
37.Cd "sab*    at ebus?"
38.Cd "sabtty* at sab? channel ?"
39.Sh DESCRIPTION
40The
41.Nm
42driver provides
43.Tn TTY
44support for the
45.Tn Infineon
46(previously
47.Tn Siemens )
4882532 serial communications interface found in many
49.Tn Sun Ultra
50workstations and servers.
51.Pp
52Input and output speeds for each line may be set to any baud rate in the
53following list: 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400,
544800, 9600, 19200, 38400, 57600, 76800, 115200, 153600, 230400, 307200,
55460800, 614400, 921600.
56.Sh NOTES
57The speed cannot be changed on the ports connected the
58.Tn Remote System Control
59(RSC) on a
60.Tn Sun Enterprise[tm] 250 Server
61(ttyh2 and ttyh3).
62These ports are fixed at 115200 baud.
63.Sh FILES
64.Bl -tag -width XdevXttyh0X
65.It Pa /dev/ttyh[0123]
66serial ports
67.El
68.Sh DIAGNOSTICS
69.Bl -tag -width indent
70.It sab*: ring overflow
71The software input
72.Qq ring
73has overflowed.
74This usually means input flow-control is not configured correctly
75.Pq i.e. incorrect cable wiring .
76.El
77.Sh SEE ALSO
78.Xr tty 4 ,
79.Xr zstty 4
80.Sh HISTORY
81The
82.Nm sabtty
83driver first appeared in
84.Ox 3.1
85and was then ported to
86.Nx 2.0 .
87.Sh AUTHORS
88.An Jason L. Wright
89