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Date:: Tue Sep 21 19:02:45 2021 UTC
Message:: Fix broken link to uvm.9 man page and tweak tense on following sentence referencing removal from the tree.
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1 <!doctype html>
2 <html lang=en id=platform>
3 
4 <meta charset=utf-8>
5 <title>OpenBSD/sun3</title>
6 <meta name="description" content="the OpenBSD/sun3 page">
7 <meta name="viewport" content="width=device-width, initial-scale=1">
8 <link rel="stylesheet" type="text/css" href="openbsd.css">
9 <link rel="canonical" href="https://www.openbsd.org/sun3.html">
10 
11 
12 <h2 id=OpenBSD>
13 <a href="index.html">
14 <i>Open</i><b>BSD</b></a>
15 sun3
16 </h2>
17 <hr>
18 
19 <table><tr><td>
20 <p>
21 OpenBSD/sun3 used to run on the Motorola 68020-based Sun3 computers, except
22 for the 3/E flavour and the 3/50.
23 
24 <p>
25 <strong>The OpenBSD/sun3 port was discontinued after the 2.9 release.</strong>
26 </table>
27 
28 <hr>
29 
30 <h3 id="history"><strong>History:</strong></h3>
31 
32 <p>
33 The Sun3 port of OpenBSD was derived from the NetBSD/sun3 port, when the
34 sun3 and sun3x ports were still different entities. Noone showed much
35 interest in OpenBSD/sun3 for a while, although the code was mostly kept in
36 sync with NetBSD.
37 
38 <p>
39 Eventually, Kenneth Stailey started working on the port, but since he was
40 living in the USA, he could not export a release he would have built, so he
41 lost interest working on this port.
42 
43 <p>
44 Early 2000, Miod Vallat attempted to bring the port back in shape, making
45 the code compile again, and devising completely new installation media. The
46 port even shipped with complete X Window System client and utilities, although
47 there was no working X server.
48 
49 <p>
50 The port lived for a few releases, but unfortunately hardware problems and
51 lack of time conspired to prevent catching up with NetBSD on code, and the
52 sun3 code was not ready for the switch from the old Mach virtual memory
53 system to
54 <a href="https://man.openbsd.org/OpenBSD-3.0/uvm.9">uvm</a>,
55 and missed the 3.0 release, hoping that the code would be fixed in time
56 for the 3.1 release. Unfortunately, this was not the case, and eventually
57 it was decided to remove the code from the tree.
58 
59 <hr>
60 
61 <h3 id="hardware"><strong>Supported hardware:</strong></h3>
62 
63 <h4>Supported models</h4>
64 
65 <ul>
66   <li>3/60, 3/60LE
67   <li>3/75, 3/140, 3/150, 3/160 and 3/180
68   <li>3/110
69   <li>3/260 and 3/280
70 </ul>
71 
72 <p>
73 OpenBSD will not run on 3/160 family machines with only 2MB of memory,
74 and very hardly on 4MB machines whichever the model is.
75 
76 <h4>Supported peripherals</h4>
77 
78 <ul>
79 <li>On-board serial ports
80 <li>Sun type 3 keyboard and mouse
81 <li>On-board or VME video (bwtwo, cgtwo, cgfour)
82 <li>On-board or VME ethernet (intel, lance)
83 <li>On-board or VME sun-3 SCSI controller, currently with some limitations
84 </ul>
85 <hr>
86 
87 <h3 id="install">
88 <strong>Getting and installing OpenBSD/sun3:</strong>
89 </h3>
90 
91 <p>
92 The last supported OpenBSD/sun3 release was
93 <a href="29.html">OpenBSD 2.9</a>.