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<p>
<h2><font color="#e00000">OpenBSD/aviion</font></h2>

<hr>

<p>
OpenBSD/aviion is an experimental port of OpenBSD to the Motorola 88100- and
88110-based AViiON systems manufactured by Data General.

<p>
A mailing list for m88k-based ports is available at
<u><font color="#23238e">m88k@openbsd.org</font></u>.
To join the OpenBSD/m88k mailing list, send a message body of
<b>"subscribe m88k"</b> to
<a href="mailto:majordomo@openbsd.org">majordomo@openbsd.org</a>.
Please be sure to check our <a href="mail.html">mailing list policy</a> before
subscribing.

<p>
The current port maintainer is Miod Vallat
(<a href="mailto:miod@openbsd.org">miod@openbsd.org</a>).
Others are definitely welcome to contribute!

<a href="#toc"></a>
<h3><font color="#0000e0"><i>Table of contents</i></font></h3>
<ul>
  <li><a href="#history">History of the port</a>
  <li><a href="#status">Current status</a>
  <li><a href="#projects">Project list</a>
  <li><a href="#hardware">Supported hardware</a>
<!-- 
  <li><a href="#install">Getting and installing OpenBSD/aviion</a>
 -->
</ul>

<hr>
<a name="history"></a>
<h3><font color="#0000e0"><strong>History:</strong></font></h3>

<p>
In September 2003, Chris Tribo published some excerpts of the technical
documentation for the AViiON series 400. Having a look at it, it was obvious
these systems were built upon a modified MVME188 design, already supported by
<a href="mvme88k.html">OpenBSD/mvme88k</a>, but there was no interest in working
on AViiON support at that time.

<p>
Then, late April 2006, enough boredom convinced Miod Vallat to start a port,
even though he did not have access to any AViiON hardware, as a challenge. In two
weeks, thanks to the help of Chris Tribo, a model 410 was running multiuser (but
diskless) - a proof that this effort was worth continuing inside the OpenBSD
tree. And work continues..

<hr>
<a name="status"></a>
<h3><font color="#0000e0"><strong>Current status:</strong></font></h3>

<p>
All supported models (or with similar designs) should run multi-user but
diskless, and currently limited to serial console.
Also, on multiprocessor machines, the system will currently run on one processor
only.

<hr>
<a name="projects"></a>
<h3><font color="#0000e0"><strong>Projects (in no particular order):
</strong></font></h3>

<ul>
  <li>On-board SCSI support on series 400 and compatible models.
  <li>Keyboard and video support.
  <li>Test on as many different models as possible.
  <li>Multiprocessor (SMP) support.
</ul>

<hr>
<a name="hardware"></a>
<h3><font color="#0000e0"><strong>Supported hardware:</strong></font></h3>

<h4>Supported machines</h4>

<ul>
<li><strong>100, 200, 300, 400, 3000, 4000 and 4300 series</strong><br>
These are the machines initially targetted by this port.
Their design is close to the well-known MVME188 design, with different on-board
devices; at the moment only the on-board serial ports and ethernet are
supported.<br>
The only model tested so far is a model 410, but all the models in this series
should work.
</ul>

<h4>Untested machines</h4>

<ul>
<li><strong>500, 5000 and 6000 series</strong><br>
These use a slightly different design and might work, but they are completely
untested.
</ul>

<h4>Unsupported machines</h4>

<ul>
<li><strong>88110-based models (550, 4500, 5500, 8500 and 9500 series)</strong><br>
These systems won't likely be supported until the MVME197 works in
<a href="mvme88k.html">mvme88k</a> land. Moreover, these will necessarily use a
different hardware design for which there is no documentation available at the
moment.
</ul>

<!--
<hr>
<a name="install"></a>
<h3><font color="#0000e0">
<strong>Getting and installing OpenBSD/aviion:</strong>
</font></h3>

<p>
The latest supported OpenBSD/aviion release is
<a href="40.html">OpenBSD 4.0</a>.
Here are the
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/4.0/aviion/INSTALL.aviion">
OpenBSD/aviion 4.0 installation instructions
</a>.

<p>
Snapshots are made available from time to time, in
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/snapshots/aviion">this location</a>
as well as in a few
<a href="ftp.html">mirrors</a>.

<p>
Here are the
<a href="ftp://ftp.openbsd.org/pub/OpenBSD/snapshots/aviion/INSTALL.aviion">
OpenBSD/aviion snapshot installation instructions
</a> as well.
 -->

<hr>
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<img height="24" width="24" src="back.gif" border="0" alt="Supported platforms">
</a> 
<br>
<small><a href="mailto:www@openbsd.org">www@openbsd.org</a></small>
<br>
<small>$OpenBSD: aviion.html,v 1.3 2006/05/12 06:23:13 miod Exp $</small>

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