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version 1.27, 2001/11/13 14:15:43 version 1.28, 2001/11/30 15:25:28
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 <hr>  <hr>
 <h3><strong>History and Status:</strong></h3>  <h3><strong>History and Status:</strong></h3>
   
   <a href="images/vax.jpg"><img src="images/vax.jpg" ALIGN=right alt="We don't run on this model."></a>
   
 <p>  <p>
 OpenBSD/vax began in early 2000 when architecture specific code was adapted  OpenBSD/vax began in early 2000 when architecture specific code was adapted
 from NetBSD's very mature port to these systems. Smaller imports still  from NetBSD's very mature port to these systems. Smaller imports still
 occur as useful changes happen in that OS, but not wholly derivative, changes  occur as useful changes happen in that OS, but not wholly derivative, changes
 in our port are often backported to NetBSD. The result of all this work is  in our port are often incorporated into NetBSD. The result of all this work is
 an Operating System that is stable and familiar to any OpenBSD user.  an Operating System that is stable and familiar to any OpenBSD user.
 </p>  </p>
   
 <p>  <p>
   <b>Significant changes post 3.0:</b>
   </p>
   
   <ul>
   <li>Binary logical page size changed to 4096 bytes
   </ul>
   
   <p>
 <b>Significant changes between 2.9 and 3.0:</b>  <b>Significant changes between 2.9 and 3.0:</b>
 </p>  </p>
   
 <ul>  <ul>
 <li>Support for a couple more machines added.  <li>Support for "Omega" machines added
 <li>Event counters attached to most devices. (from NetBSD)  <li>Event counters attached to most devices
 <li>More addressing modes added to the emulation system. (work by Jim Uhl)  <li>More addressing modes added to the emulation system
 </ul>  </ul>
   
 <p>  <p>
 <b>Significant changes between 2.8 and 2.9:</b>  <b>Significant changes between 2.8 and 2.9:</b>
 </p>  </p>
   
 <ul>  <ul>
 <li>Support for 16 filesystems per drive. (work by hugh)  <li>Support for 16 filesystems per drive
 <li>Emulation of the EMODD instruction. (work by bjc)  <li>Emulation of the EMODD instruction
 <li>Support for KA53 (Cheetah) machines. (work by bjc & hugh)  <li>Support for "Cheetah" machines added
 <li>Interrupt signals no longer cause ksh subshells to core. (work by bjc)  <li>Interrupt signals no longer cause ksh subshells to core
 </ul>  </ul>
   
 <p>  <p>
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 <table WIDTH="100%">  <table WIDTH="100%">
 <tr VALIGN=top>  <tr VALIGN=top>
     <td WIDTH="50%">      <td WIDTH="40%">
         <p>          <p>
         <b>Tested systems:</b>          <b>Tested systems:</b>
         </p>          </p>
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         <li>VAX 4000/100 (<font color="#009900">SCSI</font>)          <li>VAX 4000/100 (<font color="#009900">SCSI</font>)
         <li>VAX 4000/105 (<font color="#009900">SCSI</font>)          <li>VAX 4000/105 (<font color="#009900">SCSI</font>)
         <li>VAX 4000/300          <li>VAX 4000/300
         <li>VAX 4000/{4,5,6}00{,A}          <li>VAX 4000/{4,5,6}00
         </ul>          </ul>
     </td>      </td>
   
     <td WIDTH="50%">      <td WIDTH="60%">
         <p>          <p>
         <b>Projects being worked on:</b>          <b>Projects being worked on:</b>
         </p>          </p>
   
         <ul>          <ul>
         <li>vaxstation 2000's hdc9224 (floppy/mfm hard disk controller)          <li>VAXstation 2000's HDC9224 (floppy/mfm hard disk controller)
         <li>qbus tk50/tk70 tape drives          <li>MSCP support for tapes and drives on QBUS/UQSSP machines
         <li>shared libraries? eventually...          <li>shared libraries? eventually...
         <li>support for new systems as we obtain them          <li>Support for new systems as we obtain them
         </ul>          </ul>
   
         <p>          <p>
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         <ul>          <ul>
         <li>Programming info for LCG or SPGFX framebuffers          <li>Programming info for LCG or SPGFX framebuffers
         <li>Software references for DSSI or MSCP          <li>Software references for SHAC DSSI
         <li>Any edition VARM          <li>Any edition VARM
         </ul>          </ul>
   
         <p>          <p>
         <b>Known problems:</b>          <b>Known problems:</b>
         </p>          </p>
   
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