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<P><LINK rev=made href=mailto:www@openbsd.org></P>

<H2>OpenBSD/pmax</H2>

<P>
<HR></P>

<h3><font color=#0000e0><strong>History and status:</strong></font></h3>

<P>The pmax port of OpenBSD was started by Thomas Graichen (<A
HREF="mailto:graichen@openbsd.org">graichen@OpenBSD.org</A>) short
before the OpenBSD 2.0 release and is currently mostly maintained by
Todd C. Miller (<A
HREF="mailto:millert@openbsd.org">millert@OpenBSD.org</A>) but if you
have any questions regarding this port, the hardware or the
installation feel free to also contact Thomas. 
This port is integral part of the OpenBSD releases since OpenBSD 2.1.
From the pmax specific code it is heavily based on NetBSD/pmax. 
I want to take the chance
here to say thanks to Dieter Mayer and Rob Urban for supplying me (Thomas) with
the hardware to do the development on. Also i want to thank all the people
from the NetBSD/pmax team and mailinglists especially Jonathan Stone
and Michael Hitch for their help in many situations.
If you are interested in getting OpenBSD/pmax you can either use the latest
formal release of OpenBSD or one of the snapshots of OpenBSD/pmax if you
are interested in tracking the current state - you may get them both from
<A HREF="ftp.html">the usual OpenBSD ftp servers</A>.</P>

<P>Despite of the fact that the hardware specific code in OpenBSD/pmax
doesn't differ much from NetBSD/pmax there are for the system as a whole
some ...</P>

<h3><font color=#0000e0><strong>Differences to NetBSD/pmax:</strong></font></h3>

<UL>
<LI>the port is self-hosting (... that means it only uses in-tree tools
- there is no need for external binutils).</LI>

<LI>you get all the usual OpenBSD improvements, additions and fixes - most
important here the security related stuff and fixes</LI>

</UL>

<h3><font color=#0000e0><strong>Supported machines:</strong></font></h3>

<P>OpenBSD/pmax currently supports the following machines:</P>

<UL>
<LI>decstation 2100 and 3100 (pmin and pmax)</LI>

<LI>decstation 5000/120, /125 and /133 (3min)</LI>

<LI>decstation 5000/200 (3max)</LI>

<LI>decstation 5000/240 (3maxplus)</LI>

<LI>decstation 5000/20 and /25 (personal decstation)</LI>
</UL>

<P>OpenBSD/pmax does currently not run on:</P>

<UL>
<LI>decstation 5100 (r2000 based cousin of the decstation 3100)</LI>

<LI>decsystem 5400 and 5500 (close to mayfair and mayfair II vax with mips
cpu)</LI>

<LI>decsystem 5800 (close to vax 6300/6300 with mips cpus)</LI>
</UL>

<P>Per Fogelstrom (<A HREF="mailto:pefo@OpenBSD.org">pefo@OpenBSD.org</A>)
now also has one of the r4000 cpu upgraded decstations ... so i expect
support for them sometime in the future.</P>

<h3><font color=#0000e0><strong>Supported devices:</strong></font></h3>

<P>If something is wrong here - please let me know!</P>

<P>Framebuffer:</P>

<UL>
<LI>pm mono (1024x864x1) or color (1024x864x8) onboard framebuffer (pmin
and pmax)</LI>

<LI>PMAG-DV (1024x864x8) onboard framebuffer (personal decstation)</LI>

<LI>PMAG-AA (1024x864x1) turbochannel framebuffer card - mfb</LI>

<LI>PMAG-BA (1280x1024x8) turbochannel framebuffer card - cfb</LI>

<LI>PMAGB-BA (1024x864x8) turbochannel framebuffer card - sfb</LI>

<P>Keep in mind that you need a monitor which can do sync on green- because
all the above framebuffers give sync on green output. Also the monitor
should be multisync-capable or it should have a dec-compatible fixed frequency.
All the above framebuffers should be supported by the x server too.</P>
</UL>

<P>Ethernet:</P>

<UL>
<LI>onboard amd lance ethernet interface</LI>

<LI>turbochannel amd lance lance interface card</LI>
</UL>

<P>SCSI:</P>

<UL>
<LI>onboard dec SCSI&nbsp;controller - sii (pmin and pmax)</LI>

<LI>onboard dec SCSI controller - asc</LI>

<LI>turbochannel dec SCSI&nbsp;controller card - asc</LI>
</UL>

<P>Misc:</P>

<UL>
<LI>dec lk201 or compatible keyboard</LI>

<LI>dec or compatible mouse</LI>

<LI>onboard serial ports on most machines</LI>
</UL>

<P>
<HR><A HREF="plat.html"><IMG height=24 width=24 SRC="back.gif" ALT="OpenBSD" BORDER=0 ></A>
<A HREF="mailto:www@openbsd.org">www@openbsd.org</A> <BR>
<FONT SIZE=-1>$OpenBSD: pmax.html,v 1.14 1997/05/15 12:40:47 graichen Exp
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