1.\" $OpenBSD: sbus.4,v 1.55 2021/09/08 20:29:21 jmc Exp $ 2.\" $NetBSD: sbus.4,v 1.5 2002/01/21 17:54:10 wiz Exp $ 3.\" 4.\" Copyright (c) 2001 The NetBSD Foundation, Inc. 5.\" All rights reserved. 6.\" 7.\" This code is derived from software contributed to The NetBSD Foundation 8.\" by Paul Kranenburg. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29.\" POSSIBILITY OF SUCH DAMAGE. 30.\" 31.Dd $Mdocdate: September 8 2021 $ 32.Dt SBUS 4 33.Os 34.Sh NAME 35.Nm sbus 36.Nd introduction to SBus bus support 37.Sh SYNOPSIS 38.Cd "sbus* at mainbus?" 39.Cd "sbus* at xbox?" 40.Sh DESCRIPTION 41These 42.Nm 43attachments are specific to the sparc64 port. 44.Pp 45.Nm 46is an I/O interconnect bus mostly found in SPARC workstations 47and small to medium server class systems. 48It supports both on-board peripherals and extension boards. 49The 50.Nm 51specifications define the bus protocol as well as the electrical and 52mechanical properties of the extension slots. 53.Pp 54.Ox 55provides support for the following devices. 56Note that not all architectures support all devices. 57.Ss Audio interfaces 58.Bl -tag -width 13n -offset ind -compact 59.It Xr audiocs 4 60SPARC CS4231 audio device 61.El 62.Ss SCSI interfaces 63.Bl -tag -width 13n -offset ind -compact 64.It Xr esp 4 65ESP NCR 53c94 on-board or SBus SCSI interface 66.It Xr qla 4 67QLogic ISP2100/2200/2300 Fibre Channel controller 68.It Xr qlw 4 69QLogic ISP1000/1020/1x40/1x80/1x160 SCSI controller 70.El 71.Ss Network interfaces 72.Bl -tag -width 13n -offset ind -compact 73.It Xr be 4 74SPARC 10/100 Ethernet device 75.It Xr gem 4 76GEM 10/100/1Gb Ethernet device 77.It Xr hme 4 78Sun Happy Meal 10/100 Ethernet device 79.It Xr le 4 80AMD LANCE Ethernet device 81.It Xr lebuffer 4 , Xr ledma 4 82AMD LANCE Ethernet device 83.It Xr qe 4 84SPARC 10/100 Ethernet device 85.It Xr qec 4 86SPARC Quad Ethernet Controller 87.It Xr ti 4 88Alteon Networks Tigon I and II Gigabit Ethernet device 89.El 90.Ss Bridges 91.Bl -tag -width 13n -offset ind -compact 92.It Xr stp 4 93SBus PCMCIA bridge 94.El 95.Ss Graphics devices 96.Bl -tag -width 13n -offset ind -compact 97.It Xr agten 4 98Fujitsu AG-10e accelerated 24-bit color frame buffer 99.It Xr bwtwo 4 100Monochromatic frame buffer 101.It Xr cgsix 4 102Accelerated 8-bit color frame buffer 103.It Xr cgthree 4 1048-bit color frame buffer 105.It Xr cgtwelve 4 106Accelerated 24-bit color frame buffer 107.It Xr mgx 4 108SMS MGX and MGXPlus accelerated 24-bit color frame buffers 109.It Xr rfx 4 110Vitec/Connectware/AP&D 111RasterFlex framebuffer series 112.It Xr tvtwo 4 113Accelerated 24-bit color frame buffer 114.It Xr vigra 4 1158-bit SBus color frame buffer with VGA-compatible modes 116.It Xr zx 4 117Accelerated 24-bit color frame buffer 118.El 119.Ss Serial and parallel interfaces 120.Bl -tag -width 13n -offset ind -compact 121.It Xr apio 4 122Aurora Technologies pio1 parallel port card 123.It Xr asio 4 124Aurora Technologies pio2 serial port card 125.It Xr bpp 4 126parallel port 127.It Xr magma 4 128Magma LC series Serial/Parallel Interface cards 129.It Xr spif 4 130Sun Serial/Parallel Interface card 131.It Xr zs 4 132Zilog 8530 (ZSCC) serial communications driver 133.El 134.Ss Miscellaneous devices 135.Bl -tag -width 13n -offset ind -compact 136.It Xr auxio 4 137Miscellaneous I/O controls 138.It Xr clock 4 139real-time clock 140.It Xr fdc 4 141NEC765 compatible floppy disk driver 142.It Xr uperf 4 143Performance counters on the host bridge 144.It Xr xbox 4 145SBus Expansion subsystem 146.El 147.Sh SEE ALSO 148.Xr intro 4 149.Sh HISTORY 150The machine-independent 151.Nm sbus 152subsystem appeared in 153.Nx 1.3 . 154.Ox 155support first appeared in 156.Ox 2.0 . 157