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authorMichael Shalayeff <mickey@cvs.openbsd.org>2004-08-06 23:52:00 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>2004-08-06 23:52:00 +0000
commitfcadc1257dbc15cd96ecc1c0abeb568065111334 (patch)
tree8e4ad1b31684d454739fe06d4991e575e5adf7dc
parent7759b430964362e934df9d4fce5f59ba9ef1d0a5 (diff)
import from netbsd w/ minor tweaks. needs more work
-rw-r--r--share/man/man4/Makefile4
-rw-r--r--share/man/man4/man4.sgi/Makefile7
-rw-r--r--share/man/man4/man4.sgi/crime.459
-rw-r--r--share/man/man4/man4.sgi/dpclock.460
-rw-r--r--share/man/man4/man4.sgi/dsclock.459
-rw-r--r--share/man/man4/man4.sgi/gio.470
-rw-r--r--share/man/man4/man4.sgi/haltwo.451
-rw-r--r--share/man/man4/man4.sgi/hpc.480
-rw-r--r--share/man/man4/man4.sgi/imc.460
-rw-r--r--share/man/man4/man4.sgi/intro.4173
-rw-r--r--share/man/man4/man4.sgi/mace.462
-rw-r--r--share/man/man4/man4.sgi/newport.452
-rw-r--r--share/man/man4/man4.sgi/pic.459
-rw-r--r--share/man/man4/man4.sgi/wdsc.473
14 files changed, 867 insertions, 2 deletions
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index 6a6bf8b4d15..b437c9d4d34 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.273 2004/08/03 16:48:35 jaredy Exp $
+# $OpenBSD: Makefile,v 1.274 2004/08/06 23:51:59 mickey Exp $
MAN= aac.4 ac97.4 acphy.4 addcom.4 adv.4 aha.4 ahb.4 ahc.4 ahd.4 \
aic.4 amdpm.4 ami.4 amphy.4 an.4 aria.4 ast.4 atalk.4 \
@@ -61,6 +61,6 @@ MLINKS+=vnd.4 svnd.4
SUBDIR= man4.alpha man4.amd64 man4.cats man4.hp300 man4.hppa man4.i386 \
man4.luna88k man4.mac68k man4.macppc man4.mvme68k man4.mvme88k \
- man4.sparc man4.sparc64 man4.vax
+ man4.sgi man4.sparc man4.sparc64 man4.vax
.include <bsd.prog.mk>
diff --git a/share/man/man4/man4.sgi/Makefile b/share/man/man4/man4.sgi/Makefile
new file mode 100644
index 00000000000..3afeb09d424
--- /dev/null
+++ b/share/man/man4/man4.sgi/Makefile
@@ -0,0 +1,7 @@
+# $OpenBSD: Makefile,v 1.1 2004/08/06 23:51:59 mickey Exp $
+
+MAN= crime.4 dpclock.4 dsclock.4 gio.4 haltwo.4 hpc.4 imc.4 intro.4 \
+ mace.4 newport.4 pic.4 wdsc.4
+MANSUBDIR=sgi
+
+.include <bsd.prog.mk>
diff --git a/share/man/man4/man4.sgi/crime.4 b/share/man/man4/man4.sgi/crime.4
new file mode 100644
index 00000000000..4b3582cf4ce
--- /dev/null
+++ b/share/man/man4/man4.sgi/crime.4
@@ -0,0 +1,59 @@
+.\" $OpenBSD: crime.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: crime.4,v 1.3 2004/02/08 23:23:27 snj Exp $
+.\"
+.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE
+.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd December 23, 2002
+.Dt CRIME 4 sgi
+.Os
+.Sh NAME
+.Nm crime
+.Nd CPU, Rendering, Interconnect and Memory Engine
+.Sh SYNOPSIS
+.Cd "crime0 at mainbus0 addr 0x14000000"
+.Sh DESCRIPTION
+The
+.Nm
+ASIC acts as a controller between the CPU and VICE, MACE, the
+graphics back-end, and main memory.
+.Nm
+can be typically found in O2 machines.
+.Sh SEE ALSO
+.Xr mace 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
+.Sh BUGS
+.Nm
+does not pay.
diff --git a/share/man/man4/man4.sgi/dpclock.4 b/share/man/man4/man4.sgi/dpclock.4
new file mode 100644
index 00000000000..7f5ae5c117c
--- /dev/null
+++ b/share/man/man4/man4.sgi/dpclock.4
@@ -0,0 +1,60 @@
+.\" $OpenBSD: dpclock.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: dpclock.4,v 1.3 2004/02/10 16:32:10 wiz Exp $
+.\"
+.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This document is derived from work contributed to The NetBSD Foundation
+.\" by Steve Rumble.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE
+.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd January 24, 2004
+.Dt DPCLOCK 4 sgi
+.Os
+.Sh NAME
+.Nm dpclock
+.Nd DP8573A real-time clock
+.Sh SYNOPSIS
+.Cd "dpclock* at hpc0 offset ?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the DP8573A real-time clock (RTC).
+This device appears on SGI Personal Iris 4D/2x, 4D/3x and Indigo
+R3k machines.
+Note that the kernel expects the RTC to run in UTC.
+.Sh SEE ALSO
+.Xr dsclock 4 ,
+.Xr intro 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/dsclock.4 b/share/man/man4/man4.sgi/dsclock.4
new file mode 100644
index 00000000000..92d67d76c18
--- /dev/null
+++ b/share/man/man4/man4.sgi/dsclock.4
@@ -0,0 +1,59 @@
+.\" $OpenBSD: dsclock.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: dsclock.4,v 1.3 2004/02/10 16:35:50 wiz Exp $
+.\"
+.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This document is derived from work contributed to The NetBSD Foundation
+.\" by Steve Rumble.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE
+.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd January 24, 2004
+.Dt DSCLOCK 4 sgi
+.Os
+.Sh NAME
+.Nm dsclock
+.Nd DS1286 real-time clock
+.Sh SYNOPSIS
+.Cd "dsclock* at hpc0 offset ?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the DS1286 real-time clock (RTC).
+This device appears on SGI Indy and Indigo2 machines.
+Note that the kernel expects the RTC to run in UTC.
+.Sh SEE ALSO
+.Xr dpclock 4 ,
+.Xr intro 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/gio.4 b/share/man/man4/man4.sgi/gio.4
new file mode 100644
index 00000000000..8c1cb760bf7
--- /dev/null
+++ b/share/man/man4/man4.sgi/gio.4
@@ -0,0 +1,70 @@
+.\" $OpenBSD: gio.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: gio.4,v 1.6 2004/02/10 16:55:43 wiz Exp $
+.\"
+.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This document is derived from work contributed to The NetBSD Foundation
+.\" by Antti Kantee.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE
+.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd January 24, 2004
+.Dt GIO 4 sgi
+.Os
+.Sh NAME
+.Nm gio
+.Nd SGI's early PCI-like bus
+.Sh SYNOPSIS
+.Cd "gio0 at imc0"
+.Cd "gio0 at pic0"
+.Sh DESCRIPTION
+The
+.Nm
+bus is a bus for connecting high-speed peripherals to the main memory and
+CPU.
+The devices themselves are connected to the
+.Xr hpc 4
+peripheral controller, and memory and CPU are accessed through the
+.Xr imc 4
+(Indy Memory Controller) or
+.Xr pic 4
+(Processor Interface Controller).
+The
+.Nm
+bus is found on the Indigo, Indy, and Indigo2 machines.
+.Sh SEE ALSO
+.Xr hpc 4 ,
+.Xr imc 4 ,
+.Xr pic 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/haltwo.4 b/share/man/man4/man4.sgi/haltwo.4
new file mode 100644
index 00000000000..0e4f39afdd7
--- /dev/null
+++ b/share/man/man4/man4.sgi/haltwo.4
@@ -0,0 +1,51 @@
+.\" $OpenBSD: haltwo.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: haltwo.4,v 1.3 2004/02/08 23:23:59 snj Exp $
+.\"
+.\" Copyright (c) 2003 Ilpo Ruotsalainen
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. The name of the author may not be used to endorse or promote products
+.\" derived from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.\" <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>
+.\"
+.Dd December 15, 2003
+.Dt HALTWO 4 sgi
+.Os
+.Sh NAME
+.Nm haltwo
+.Nd SGI HAL2 audio controller
+.Sh SYNOPSIS
+.Cd "haltwo0 at hpc0 offset ?"
+.Sh DESCRIPTION
+.Nm
+is the audio controller found on the Indy and Indigo2 machines.
+.Sh SEE ALSO
+.Xr audio 4 ,
+.Xr hpc 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
+.Sh CAVEATS
+The driver lacks support for most mixer operations and recording.
diff --git a/share/man/man4/man4.sgi/hpc.4 b/share/man/man4/man4.sgi/hpc.4
new file mode 100644
index 00000000000..374b114d58a
--- /dev/null
+++ b/share/man/man4/man4.sgi/hpc.4
@@ -0,0 +1,80 @@
+.\" $OpenBSD: hpc.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: hpc.4,v 1.6 2004/02/10 16:55:43 wiz Exp $
+.\"
+.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This document is derived from work contributed to The NetBSD Foundation
+.\" by Antti Kantee.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE
+.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd January 24, 2004
+.Dt HPC 4 sgi
+.Os
+.Sh NAME
+.Nm hpc
+.Nd SGI High performance Peripheral Controller
+.Sh SYNOPSIS
+.Cd "hpc0 at gio0 addr 0x1fb80000"
+.Sh DESCRIPTION
+.Nm
+interfaces the peripherals connected to it to the
+.Xr gio 4
+bus.
+.Nm
+is found on the Personal Iris 4D/3x, Indigo, Indy, and Indigo2 machines.
+.Sh HARDWARE
+.Bl -tag -width dsclock -offset indent
+.It dsclock
+DS1286-based RTC
+.It dpclock
+DP8573A-based RTC
+.It haltwo
+HAL2 audio controller
+.It sq
+Seeq 8003 and 80C03
+.Tn Ethernet
+controllers
+.It wdsc
+WD33c93
+.Tn SCSI
+controller
+.It zsc
+Zilog Z8530 UART
+.El
+.Sh SEE ALSO
+.Xr gio 4 ,
+.Xr imc 4 ,
+.Xr pic 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/imc.4 b/share/man/man4/man4.sgi/imc.4
new file mode 100644
index 00000000000..1cc2a1cb9f3
--- /dev/null
+++ b/share/man/man4/man4.sgi/imc.4
@@ -0,0 +1,60 @@
+.\" $OpenBSD: imc.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: imc.4,v 1.3 2004/02/10 16:35:50 wiz Exp $
+.\"
+.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This document is derived from work contributed to The NetBSD Foundation
+.\" by Antti Kantee.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE
+.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd May 19, 2002
+.Dt IMC 4 sgi
+.Os
+.Sh NAME
+.Nm imc
+.Nd Indy Memory Controller and system controller
+.Sh SYNOPSIS
+.Cd "imc0 at mainbus0 addr 0x1fa00000"
+.Sh DESCRIPTION
+The Indy Memory Controller is responsible for acting as an interface from
+the
+.Xr gio 4
+bus to the main memory and CPU.
+The
+.Nm
+is found in the Indy and Indigo2 machines.
+.Sh SEE ALSO
+.Xr gio 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/intro.4 b/share/man/man4/man4.sgi/intro.4
new file mode 100644
index 00000000000..5f002de03b2
--- /dev/null
+++ b/share/man/man4/man4.sgi/intro.4
@@ -0,0 +1,173 @@
+.\" $OpenBSD: intro.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: intro.4,v 1.8 2004/02/10 16:54:19 wiz Exp $
+.\"
+.\" Copyright (c) 2003 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd January 24, 2004
+.Dt INTRO 4 sgi
+.Os
+.Sh NAME
+.Nm intro
+.Nd introduction to special files and hardware support
+.Sh DESCRIPTION
+This section describes the special files, related driver functions,
+and networking support available in the system.
+In this part of the manual, the
+.Tn SYNOPSIS
+section of each configurable device gives a sample specification
+for use in constructing a system description for the
+.Xr config 8
+program.
+The
+.Tn DIAGNOSTICS
+section lists messages which may appear on the console
+and/or in the system error log
+.Pa /var/log/messages
+due to errors in device operation; see
+.Xr syslogd 8
+for more information.
+.Pp
+This section contains both devices which may be configured into
+the system and network related information.
+The networking support is introduced in
+.Xr netintro 4 .
+.Sh DEVICE SUPPORT
+This section describes the hardware supported by
+.Ox Os /sgi .
+Software support for these devices comes in two forms.
+A hardware device may be supported with a character or block
+.Em device driver ,
+or it may be used within the networking subsystem and have a
+.Em network interface driver .
+Block and character devices are accessed through files in the file
+system of a special type; see
+.Xr mknod 8 .
+Network interfaces are indirectly accessed through the interprocess
+communication facilities provided by the system; see
+.Xr socket 2 .
+.Pp
+A hardware device is identified to the system at configuration time
+and the appropriate device or network interface driver is then
+compiled into the system.
+When the resultant system is booted, the autoconfiguration facilities
+in the system probe for the device and, if found, enable the software
+support for it.
+If a device does not respond at autoconfiguration time it is not
+accessible at any time afterwards.
+To enable a device which did not autoconfigure, the system must be rebooted.
+.Pp
+The autoconfiguration system is described in
+.Xr autoconf 4 .
+A list of the supported devices is given below.
+.Sh HARDWARE
+The following systems are supported:
+.Pp
+.Bl -tag -width XXXXXXXXXX -offset indent -compact
+.It O2
+IP32
+.Pq Dq Moosehead
+.It Indy
+IP24
+.Pq Dq Guinness
+.It Indigo 2
+IP22
+.Pq Dq Fullhouse
+.It Indigo R4k
+IP20
+.Pq Dq Blackjack
+.It Indigo R3k
+IP12
+.Pq Dq Hollywood
+.El
+.Sh LIST OF DEVICES
+The devices listed below are supported in this incarnation of the
+system.
+Devices are indicated by their functional interface.
+Not all supported devices are listed.
+.Pp
+.Bl -tag -width macepci -offset indent -compact
+.It crime
+found on the O2
+.It dsclock
+real-time clock
+.It dpclock
+real-time clock
+.It gio
+PCI-like bus
+.It hpc
+High performance Peripheral Controller
+.It imc
+Indigo R4k/Indy/Indigo2 bus arbitrator
+.It mace
+found on the O2
+.\" .It macepci
+.It mec
+O2 MAC110 ethernet
+.It newport
+entry framebuffer on Indy and Indigo2
+.It pic
+Personal Iris 4D/3x and Indigo R3k bus arbitrator
+.It sbic
+WD33C93 SCSI interface
+.It sq
+SEEQ 8003/80C03 ethernet
+.It wdsc
+WD33C93 SCSI interface
+.El
+.Pp
+PCI devices are supported through the
+.Xr pci 4
+bus and associated device drivers.
+.Pp
+.\" .Sh UNSUPPORTED DEVICES
+.\" The following devices are not supported, due to unavailability of
+.\" either documentation or sample hardware:
+.\" .Pp
+.\" .Bl -tag -width XXXXX -offset indent -compact
+.\" .It not yet
+.\" .El
+.\" .Pp
+.Sh SEE ALSO
+.Xr autoconf 4 ,
+.Xr crime 4 ,
+.Xr gio 4 ,
+.Xr hpc 4 ,
+.Xr imc 4 ,
+.Xr mace 4 ,
+.Xr pic 4 ,
+.Xr config 8
+.Sh HISTORY
+This
+.Tn sgi
+.Nm
+appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/mace.4 b/share/man/man4/man4.sgi/mace.4
new file mode 100644
index 00000000000..d603cc0d46b
--- /dev/null
+++ b/share/man/man4/man4.sgi/mace.4
@@ -0,0 +1,62 @@
+.\" $OpenBSD: mace.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: mace.4,v 1.4 2004/02/10 16:54:02 wiz Exp $
+.\"
+.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE
+.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd December 23, 2002
+.Dt MACE 4 sgi
+.Os
+.Sh NAME
+.Nm mace
+.Nd Multimedia, Audio and Communications Engine I/O ASIC
+.Sh SYNOPSIS
+.Cd "mace0 at mainbus0 addr 0x1f000000"
+.Sh DESCRIPTION
+The
+.Nm
+I/O ASIC takes care of all the basic I/O functions.
+Examples of interfaces provided by it are the keyboard and mouse,
+fast Ethernet, video, audio, the PCI bus, and parallel and serial
+connectors.
+It is connected to the host bus through the
+.Xr crime 4
+controller.
+.Nm
+is typically found on O2 machines.
+.Sh SEE ALSO
+.Xr crime 4 ,
+.Xr pci 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/newport.4 b/share/man/man4/man4.sgi/newport.4
new file mode 100644
index 00000000000..afbc681f7fd
--- /dev/null
+++ b/share/man/man4/man4.sgi/newport.4
@@ -0,0 +1,52 @@
+.\" $OpenBSD: newport.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: newport.4,v 1.4 2004/02/10 16:55:43 wiz Exp $
+.\"
+.\" Copyright (c) 2003 Ilpo Ruotsalainen
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. The name of the author may not be used to endorse or promote products
+.\" derived from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.\" <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>
+.\"
+.Dd December 15, 2003
+.Dt NEWPORT 4 sgi
+.Os
+.Sh NAME
+.Nm newport
+.Nd SGI NG1 graphics controller
+.Sh SYNOPSIS
+.Cd "newport* at gio? slot ?"
+.Cd "wsdisplay* at newport? console ?"
+.Sh DESCRIPTION
+The
+.Nm
+driver supports the SGI NG1 (a.k.a. Indy 8-bit, Indy 24-bit, and
+XL) graphics controllers, often found on Indy and Indigo2 machines.
+.Sh SEE ALSO
+.Xr gio 4 ,
+.Xr wscons 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/pic.4 b/share/man/man4/man4.sgi/pic.4
new file mode 100644
index 00000000000..b17b98eb52e
--- /dev/null
+++ b/share/man/man4/man4.sgi/pic.4
@@ -0,0 +1,59 @@
+.\" $OpenBSD: pic.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: pic.4,v 1.3 2004/02/10 16:32:10 wiz Exp $
+.\"
+.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This document is derived from work contributed to The NetBSD Foundation
+.\" by Steve Rumble.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE
+.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd January 24, 2004
+.Dt PIC 4 sgi
+.Os
+.Sh NAME
+.Nm pic
+.Nd Processor Interface Controller
+.Sh SYNOPSIS
+.Cd "pic0 at mainbus0 addr 0x1fa00000"
+.Sh DESCRIPTION
+The Processor Interface Controller interfaces the
+.Xr gio 4
+or VME bus to main memory and CPU.
+The
+.Nm
+is found in the Personal Iris 4D/3x and Indigo R3k machines.
+.Sh SEE ALSO
+.Xr gio 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.6 .
diff --git a/share/man/man4/man4.sgi/wdsc.4 b/share/man/man4/man4.sgi/wdsc.4
new file mode 100644
index 00000000000..5d3d92cd109
--- /dev/null
+++ b/share/man/man4/man4.sgi/wdsc.4
@@ -0,0 +1,73 @@
+.\" $OpenBSD: wdsc.4,v 1.1 2004/08/06 23:51:59 mickey Exp $
+.\" $NetBSD: wdsc.4,v 1.5 2004/02/10 16:55:43 wiz Exp $
+.\"
+.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Steve C. Woodford.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the NetBSD
+.\" Foundation, Inc. and its contributors.
+.\" 4. Neither the name of The NetBSD Foundation nor the names of its
+.\" contributors may be used to endorse or promote products derived
+.\" from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+.\" POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd January 24, 2004
+.Os
+.Dt WDSC 4 sgi
+.Sh NAME
+.Nm wdsc
+.Nd Western Digital WD33c93 SCSI Bus Interface Controller
+.Sh SYNOPSIS
+.Cd "wdsc* at hpc? offset ?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides an abstraction layer between the SCSI hardware
+found in multitudinous SGI machines (including Personal Iris series,
+Indigo, Indy, and Indigo2) and the machine independent SCSI drivers
+described in
+.Xr scsibus 4 .
+.Pp
+In addition to sending the required SCSI commands to
+target devices on the SCSI bus, the
+.Nm
+driver deals with DMA, device interrupts, sync/async negotiation,
+and target disconnects/reconnects.
+.Sh SEE ALSO
+.Xr hpc 4 ,
+.Xr scsibus 4
+.Sh HISTORY
+Wayne Knowles ported the sgi incarnation of the
+.Nm
+driver from the amiga and atari ports.
+It first appeared in
+.Ox 3.6 .
+.Sh BUGS
+The current
+.Nm
+driver should be blown away and replaced with a machine independent
+version as variants also exist in the amiga, atari, and mvme68k ports.