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  1. The following is (hopefully) the correct dip switch settings for the
  2. AT&T 6300PC and Xerox 6064.
  3.  
  4. The Dip Switches on the Olivetti mother board are layed out as follows:
  5.            ____                           ________      ________
  6.       ____|    |_________________________|        |____|        |____
  7.       |    kbd  ____  ____  ____  ____      lpt1          com1      |
  8.       |        |____||____||____||____|                             |
  9.       |     ________  ____  ____  ____  ____  ____  _____  ____     |
  10.       |    |        ||____||SW-1||____||____||____||_____||____|    |
  11.       |    |________|                                               |
  12.       |              _____  ____  ____  ____  ____  _____  ____     |
  13.       |             |_____||____||____||____||____||_____||____|    |
  14.       |                                       |
  15.       |  _________    ____  ____  ____  ____  _____________         |
  16.       | |         |  |____||SW-0||____||____||             |        |
  17.       | |_________|                          |_____________|        |
  18.       |/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/|
  19.  
  20.  
  21.  
  22. Memory:
  23. -------
  24.                       128KB on mother board
  25.                       ---------------------
  26.         dip switch 0:
  27.                         On   2 3 4 X X X X
  28.                        Off 1       X X X X
  29.  
  30.  
  31.                       256KB on mother board
  32.                       ---------------------
  33.         dip switch 0:
  34.                         On 1   3 4 X X X X
  35.                       Off   2     X X X X
  36.  
  37.  
  38.                        384KB total memory
  39.         256KB on mother board + 128KB on expansion board
  40.     ------------------------------------------------
  41.         dip switch 0:
  42.                         On     3 4 X X X X
  43.                        Off 1 2     X X X X
  44.  
  45.  
  46.                       512KB on mother board
  47.                       ---------------------
  48.         dip switch 0:
  49.                         On 1 2 3   X X X X
  50.                        Off       4 X X X X
  51.  
  52.  
  53.                        512KB total memory
  54.         256KB on mother board + 256KB on expansion board
  55.         ------------------------------------------------
  56.         dip switch 0:
  57.                         On 1 2   4 X X X X
  58.                        Off     3   X X X X
  59.  
  60.  
  61.                       640KB on mother board
  62.        512KB motherboard bank 0, 128KB mother board bank 1
  63.        ---------------------------------------------------
  64.         dip switch 0:
  65.                         On   2 3   X X X X
  66.                        Off 1     4 X X X X
  67.  
  68.  
  69.                       640KB on mother board
  70.        128KB motherboard bank 0, 512KB motherboard bank 1
  71.        --------------------------------------------------
  72.         dip switch 0:
  73.                         On   2     X X X X
  74.                        Off 1   3 4 X X X X
  75.  
  76.  
  77.                        640KB total memory
  78.         256KB on mother board + 384KB on expansion board
  79.         ------------------------------------------------
  80.         dip switch 0:
  81.                         On   2   4 X X X X
  82.                        Off 1   3   X X X X
  83.  
  84.  
  85.  
  86. 8087 Coprocessor:
  87. -----------------
  88.                        8087 NOT installed
  89.                        ------------------
  90.         dip switch 0:
  91.                         On X X X X 5 X X X
  92.                        Off X X X X   X X X
  93.  
  94.  
  95.                          8087 installed
  96.                          --------------
  97.         dip switch 0:
  98.                         On X X X X   X X X
  99.                        Off X X X X 5 X X X
  100.  
  101.  
  102.  
  103. Serial communication controller type:
  104. -------------------------------------
  105.                          8250 installed
  106.                          --------------
  107.         dip switch 0:
  108.                         On X X X X X 6 X X
  109.                        Off X X X X X   X X
  110.  
  111.  
  112.                          Z8530 installed
  113.                          ---------------
  114.         dip switch 0:
  115.                         On X X X X X   X X
  116.                        Off X X X X X 6 X X
  117.  
  118.  
  119.  
  120. 4K x 8 or 8K x 8 ROMs installed:
  121. --------------------------------
  122.                      4K x 8 PROMs installed
  123.                      ----------------------
  124.         dip switch 0:
  125.                         On X X X X X X X 8
  126.                        Off X X X X X X X
  127.  
  128.  
  129.                      8K x 8 PROMs installed
  130.                      ----------------------
  131.         dip switch 0:
  132.                         On X X X X X X X
  133.                        Off X X X X X X X 8
  134.  
  135.  
  136.  
  137. * NOTE *
  138.           Position number seven (7) on dip switch 0 is not
  139.           currently used.
  140.  
  141.  
  142.  
  143. 96TPI or 48TPI diskette drives:
  144. -------------------------------
  145.                           96TPI drives
  146.                           ------------
  147.         dip switch 1:
  148.                         On   X X X X X X X
  149.                        Off 1 X X X X X X X
  150.  
  151.  
  152.                           48TPI drives
  153.                           ------------
  154.         dip switch 1:
  155.                         On 1 X X X X X X X
  156.                        Off   X X X X X X X
  157.  
  158.  
  159.  
  160. Diskette drive startup speed:
  161. -----------------------------
  162.                       Slow startup (500ms)
  163.                       --------------------
  164.         dip switch 1:
  165.                         On X 2 X X X X X X
  166.                        Off X   X X X X X X
  167.  
  168.  
  169.                        Fast startup (0ms)
  170.                        ------------------
  171.         dip switch 1:
  172.                         On X   X X X X X X
  173.                        Off X 2 X X X X X X
  174.  
  175.  
  176.  
  177. Hard disk type:
  178. ---------------
  179.                   Uses external hard disk code
  180.                   ----------------------------
  181.         dip switch 1:
  182.                         On X X     X X X X
  183.                        Off X X 3 4 X X X X
  184.  
  185.  
  186.                   Uses internal hard disk code
  187.                   ----------------------------
  188.         dip switch 1:
  189.                         On X X 3   X X X X
  190.                        Off X X   4 X X X X
  191.  
  192.  
  193.                  Reserved setting for future use
  194.                  -------------------------------
  195.         dip switch 1:
  196.                         On X X X 4 X X X X
  197.                        Off X X X   X X X X
  198.  
  199.  
  200.  
  201. Display type:
  202. -------------
  203.                  Reserved setting for future use
  204.                  -------------------------------
  205.         dip switch 1:
  206.                         On X X X X 5 6 X X
  207.                        Off X X X X     X X
  208.  
  209.  
  210.                        Monochrome display
  211.                        ------------------
  212.         dip switch 1:
  213.                         On X X X X     X X
  214.                        Off X X X X 5 6 X X
  215.  
  216.  
  217.      40 x 25 line setting with mono/color display controller
  218.      -------------------------------------------------------
  219.         dip switch 1:
  220.                         On X X X X   6 X X
  221.                        Off X X X X 5   X X
  222.  
  223.  
  224.      80 x 25 line setting with mono/color display controller
  225.      -------------------------------------------------------
  226.         dip switch 1:
  227.                         On X X X X 5   X X
  228.                        Off X X X X   6 X X
  229.  
  230.  
  231.  
  232. Number of diskette drives installed:
  233. ------------------------------------
  234.                        One diskette drive
  235.                        ------------------
  236.         dip switch 1:
  237.                         On X X X X X X 7 8
  238.                        Off X X X X X X
  239.  
  240.  
  241.                        Two diskette drives
  242.                        -------------------
  243.         dip switch 1:
  244.                         On X X X X X X   8
  245.                        Off X X X X X X 7
  246.  
  247.  
  248.                       Three diskette drives
  249.                       ---------------------
  250.         dip switch 1:
  251.                         On X X X X X X 7
  252.                        Off X X X X X X   8
  253.  
  254.  
  255.                       Four diskette drives
  256.                       --------------------
  257.         dip switch 1:
  258.                         On X X X X X X
  259.                        Off X X X X X X 7 8
  260.