137 lines
3.4 KiB
Groff
137 lines
3.4 KiB
Groff
.\" $NetBSD: sbus.4,v 1.11 2021/03/11 16:53:14 nia Exp $
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.\"
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.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Paul Kranenburg.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd September 6, 2018
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.Dt SBUS 4
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.Os
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.Sh NAME
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.Nm SBus
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.Nd introduction to machine-independent SBus bus support and drivers
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.Sh SYNOPSIS
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.Cd "sbus* at mainbus?"
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.Cd "sbus* at iommu?"
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.Cd "sbus* at xbox?"
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.Pp
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These
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.Nm
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attachments are specific to the
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.Nx Ns /sparc
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and
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.Nx Ns /sparc64
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ports.
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.Sh DESCRIPTION
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.Nm
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is a I/O interconnect bus mostly found in
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.Tn SPARC
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workstations and small to medium server class systems.
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It supports both on-board peripherals and extension boards.
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The
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.Nm
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specifications define the bus protocol as well as the electrical and
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mechanical properties of the extension slots.
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.Sh HARDWARE
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.Nx
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includes machine-independent
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.Nm
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drivers, sorted by device type and driver name:
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.Ss SCSI interfaces
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It Xr esp 4
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NCR53c94 and compatible
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.Tn SCSI
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interfaces.
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.It Xr isp 4
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Qlogic
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.Tn SCSI
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interfaces.
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.El
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.Ss Network interfaces
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It Xr le 4
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.Tn Lance
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7990 series
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.Tn Ethernet
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interfaces.
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.It Xr hme 4
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.Dq Happy Meal
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.Tn Ethernet
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interfaces.
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.It Xr be 4
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.Dq Big Mac
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.Tn Ethernet
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board.
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.It Xr qe 4
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Quad Ethernet Controller
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board.
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.El
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.Ss Bridges
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It Xr xbox 4
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an
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.Nm Sbus
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expansion box.
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.El
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.Ss Graphics devices
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It Xr bwtwo 4
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framebuffer device.
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.It Xr cgthree 4
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framebuffer device.
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.It Xr cgsix 4
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framebuffer device.
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.It Xr pnozz 4
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framebuffer device.
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.It Xr tcx 4
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framebuffer device.
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.It Xr zx 4
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framebuffer device.
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.El
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.Ss Audio devices
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It Xr audiocs 4
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CS4231 codec.
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.El
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.Ss Serial interfaces
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It Xr magma 4
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Magma Serial/Parallel combo device.
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.El
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.Ss Floppy interfaces
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.Bl -tag -width xxxxxxxxxx -offset indent
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.It Xr fdc 4
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Floppy disk controller
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.El
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.Sh SEE ALSO
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.Xr intro 4
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.Sh HISTORY
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The machine-independent
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.Nm SBus
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subsystem appeared in
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.Nx 1.3 .
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