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                                                26 May 2002.  SMS.

      PBXGA (ZXLp-E1, ZXLp-E2, ZXLp-E3) Switch Settings

========================================================================

   PBXGA-AA = ZXLp-E1   2MB   8-plane
   PBXGA-BA = ZXLp-E2   8MB  24-plane
   PBXGA-CA = ZXLp-E3  16MB  24-plane, 24-plane Z-buffer (stereo)

   Change "-xA" to "-xN" for the Windows NT model.  (Difference?)

========================================================================

   The 4-position switch selects default sweep frequencies.  Normally,
the switches are read only at initialization.  In any case the behavior
of the card is determined by the software.

========================================================================

   Presented as in the DEC manual:
   -------------------------------

      Switch Identification
      ---------------------

         Stereo   SW SW SW SW   \ Video  /
          port     1  2  3  4    \ port /
   ------------------------------------------------ card -----

      Switch settings
      ---------------

   Up = Open = 1.  Down = Closed = 0.

    Switch    Switch   Pixel freq.   Resolution   Vertical
    value    1 2 3 4   (MHz)                      freq.  (Hz)
   --------+---------+-------------+------------+------------
       0     D D D D     130         1280x1024      72
       1     U D D D     119         1280x1024      66
       2     D U D D     108         1280x1024      60
       3     U U D D     104         1152x900       72

       4     D D U D      93         1152x900       66
       5     U D U D      75         1024x768       70
       6     D U U D      74         1024x768       72
       7     U U U D      69         1024x864       60

       8     D D D U      65         1024x768       60
       9     U D D U      50          800x600       72
      10     D U D U      40          800x600       60
      11     U U D U      32          640x480       72

      12     D D U U      25          640x480       60
      13     U D U U     135         1280x1024      75
      14     D U U U     110         1280x1024      60
      15     U U U U     Reserved

========================================================================


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