1.\" $NetBSD: sbus.4,v 1.6 2002/03/12 16:19:27 uwe 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.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd May 27, 2001 38.Dt SBUS 4 39.Os 40.Sh NAME 41.Nm SBus 42.Nd introduction to machine-independent SBus bus support and drivers 43.Sh SYNOPSIS 44.Cd "sbus* at mainbus?" 45.Cd "sbus* at iommu?" 46.Cd "sbus* at xbox?" 47.Pp 48These 49.Nm 50attachments are specific to the 51.Nx Ns /sparc 52and 53.Nx Ns /sparc64 54ports. 55.Sh DESCRIPTION 56.Nm 57is a I/O interconnect bus mostly found in 58.Tn SPARC 59workstations and small to medium server class systems. It supports both 60on-board peripherals and extension boards. The 61.Nm 62specifications define the bus protocol as well as the electrical and 63mechanical properties of the extension slots. 64.Sh HARDWARE 65.Nx 66includes machine-independent 67.Nm 68drivers, sorted by device type and driver name: 69.Ss SCSI interfaces 70.Bl -tag -width xxxxxxxx -offset indent 71.It esp 72NCR53c94 and compatible 73.Tn SCSI 74interfaces. 75.It isp 76Qlogic 77.Tn SCSI 78interfaces. 79.El 80.Ss Network interfaces 81.Bl -tag -width xxxxxxxx -offset indent 82.It le 83.Tn Lance 847990 series 85.Tn Ethernet 86interfaces. 87.It hme 88.Dq Happy Meal 89.Tn Ethernet 90interfaces. 91.It en 92Midway-based Efficient Networks Inc. and Adaptec ATM interfaces. 93.It be 94.Dq Big Mac 95.Tn Ethernet 96board. 97.It qe 98Quad Ethernet Controller 99board. 100.El 101.Ss Bridges 102.Bl -tag -width xxxxxxxx -offset indent 103.It xbox 104an 105.Nm Sbus 106expansion box. 107.El 108.Ss Graphics devices 109.Bl -tag -width xxxxxxxx -offset indent 110.It bwtwo 111framebuffer device. 112.It cgthree 113framebuffer device. 114.It cgsix 115framebuffer device. 116.It tcx 117framebuffer device. 118.El 119.Ss Audio devices 120.Bl -tag -width xxxxxxxx -offset indent 121.It audiocs 122CS4231 codec. 123.El 124.Sh SEE ALSO 125.Xr intro 4 126.Sh HISTORY 127The machine-independent 128.Nm SBus 129subsystem appeared in 130.Nx 1.3 . 131