1.\" $NetBSD: sbus.4,v 1.9 2009/01/07 09:12:38 jnemeth Exp $ 2.\" 3.\" Copyright (c) 2001 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Paul Kranenburg. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd January 7, 2009 31.Dt SBUS 4 32.Os 33.Sh NAME 34.Nm SBus 35.Nd introduction to machine-independent SBus bus support and drivers 36.Sh SYNOPSIS 37.Cd "sbus* at mainbus?" 38.Cd "sbus* at iommu?" 39.Cd "sbus* at xbox?" 40.Pp 41These 42.Nm 43attachments are specific to the 44.Nx Ns /sparc 45and 46.Nx Ns /sparc64 47ports. 48.Sh DESCRIPTION 49.Nm 50is a I/O interconnect bus mostly found in 51.Tn SPARC 52workstations and small to medium server class systems. 53It supports both on-board peripherals and extension boards. 54The 55.Nm 56specifications define the bus protocol as well as the electrical and 57mechanical properties of the extension slots. 58.Sh HARDWARE 59.Nx 60includes machine-independent 61.Nm 62drivers, sorted by device type and driver name: 63.Ss SCSI interfaces 64.Bl -tag -width xxxxxxxx -offset indent 65.It esp 66NCR53c94 and compatible 67.Tn SCSI 68interfaces. 69.It isp 70Qlogic 71.Tn SCSI 72interfaces. 73.El 74.Ss Network interfaces 75.Bl -tag -width xxxxxxxx -offset indent 76.It le 77.Tn Lance 787990 series 79.Tn Ethernet 80interfaces. 81.It hme 82.Dq Happy Meal 83.Tn Ethernet 84interfaces. 85.It en 86Midway-based Efficient Networks Inc. and Adaptec ATM interfaces. 87.It be 88.Dq Big Mac 89.Tn Ethernet 90board. 91.It qe 92Quad Ethernet Controller 93board. 94.El 95.Ss Bridges 96.Bl -tag -width xxxxxxxx -offset indent 97.It xbox 98an 99.Nm Sbus 100expansion box. 101.El 102.Ss Graphics devices 103.Bl -tag -width xxxxxxxx -offset indent 104.It bwtwo 105framebuffer device. 106.It cgthree 107framebuffer device. 108.It cgsix 109framebuffer device. 110.It pnozz 111framebuffer device. 112.It tcx 113framebuffer device. 114.It zx 115framebuffer device. 116.El 117.Ss Audio devices 118.Bl -tag -width xxxxxxxx -offset indent 119.It audiocs 120CS4231 codec. 121.El 122.Ss Serial interfaces 123.Bl -tag -width xxxxxxxx -offset indent 124.It magma 125Magma Serial/Parallel combo device. 126.El 127.Ss Floppy interfaces 128.Bl -tag -width xxxxxxxx -offset indent 129.It fdc 130Floppy disk controller 131.El 132.Sh SEE ALSO 133.Xr audiocs 4 , 134.Xr be 4 , 135.Xr bwtwo 4 , 136.Xr cgsix 4 , 137.Xr cgthree 4 , 138.Xr en 4 , 139.Xr esp 4 , 140.Xr fdc 4 , 141.Xr hme 4 , 142.Xr intro 4 , 143.Xr isp 4 , 144.Xr le 4 , 145.Xr magma 4 , 146.Xr pnozz 4 , 147.Xr qe 4 , 148.Xr tcx 4 , 149.Xr xbox 4 , 150.Xr zx 4 151.Sh HISTORY 152The machine-independent 153.Nm SBus 154subsystem appeared in 155.Nx 1.3 . 156