5 1/4" 857MB/1.07GB         857MB Slim 3 1/2"
                      __ Switch ___             ___ Jumper __
                     |  1   2   3  |           |  3   2   1  |
                     |_____________|           |____|___|____|
    ON  _1_2_3_4_    | Off Off Off |     0     | Off Off Off | __3_2_1___
       |   X X X |   | Off Off On  |     1     | Off Off On  |   o o X   o
   OFF |_X_______|   | Off On  Off |     2     | Off On  Off |   o o X o o
       Example:      | Off On  On  |     3     | Off On  On  | ____________
        Address      | On  Off Off |     4     | On  Off Off | Example:
        is 3.        | On  Off On  |     5     | On  Off On  |   Address
                     | On  On  Off |     6     | On  On  Off |   is 1
  Switch 4 is always |___|____|____|           |____|___|____|
  set to ON.                          Address