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       # MULTI-TECH SYSTEMS, INC.
       
          ISI608PC
       
          Card Type          Serial interface                            
          Chipset Controller Unidentified                                
          I/O Options        Serial ports (8)                            
          Maximum Dram       2MB (factory installed, unknown location)   
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |           Purpose           |           Location           |
          |-----------------------------+------------------------------|
          | DB-78                       |              J1              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              FACTORY CONFIGURED-DO NOT ALTER               |
          |------------------------------------------------------------|
          |            Switch            |           Setting           |
          |------------------------------+-----------------------------|
          |            SW1/1             |             Off             |
          |------------------------------+-----------------------------|
          |            SW1/8             |             Off             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |            IRQ             |              JP1              |
          |----------------------------+-------------------------------|
          |             2              |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |             3              |       Pins 3 & 4 closed       |
          |----------------------------+-------------------------------|
          |             4              |       Pins 5 & 6 closed       |
          |----------------------------+-------------------------------|
          |             5              |       Pins 7 & 8 closed       |
          |----------------------------+-------------------------------|
          |             7              |      Pins 9 & 10 closed       |
          |----------------------------+-------------------------------|
          |             10             |      Pins 11 & 12 closed      |
          |----------------------------+-------------------------------|
          |             11             |      Pins 13 & 14 closed      |
          |----------------------------+-------------------------------|
          |             12             |      Pins 15 & 16 closed      |
          |----------------------------+-------------------------------|
          |             15             |      Pins 17 & 18 closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       ADDRESS SELECT                       |
          |------------------------------------------------------------|
          | Address  | SW1/7  | SW1/6  | SW1/5 | SW1/4 | SW1/3 | SW1/2 |
          |----------+--------+--------+-------+-------+-------+-------|
          |   100h   |  Off   |   On   |  Off  |  Off  |  Off  |  Off  |
          |----------+--------+--------+-------+-------+-------+-------|
          |   110h   |  Off   |   On   |  Off  |  Off  |  Off  |  On   |
          |----------+--------+--------+-------+-------+-------+-------|
          |   120h   |  Off   |   On   |  Off  |  Off  |  On   |  Off  |
          |----------+--------+--------+-------+-------+-------+-------|
          |   130h   |  Off   |   On   |  Off  |  Off  |  On   |  On   |
          |----------+--------+--------+-------+-------+-------+-------|
          |   200h   |   On   |  Off   |  Off  |  Off  |  Off  |  Off  |
          |  (First  |        |        |       |       |       |       |
          |  card)   |        |        |       |       |       |       |
          |----------+--------+--------+-------+-------+-------+-------|
          |   210h   |   On   |  Off   |  Off  |  Off  |  Off  |  On   |
          | (Second  |        |        |       |       |       |       |
          |  card)   |        |        |       |       |       |       |
          |----------+--------+--------+-------+-------+-------+-------|
          |   220h   |   On   |  Off   |  Off  |  Off  |  On   |  Off  |
          |  (Third  |        |        |       |       |       |       |
          |   card   |        |        |       |       |       |       |
          |----------+--------+--------+-------+-------+-------+-------|
          |   230h   |   On   |  Off   |  Off  |  Off  |  On   |  On   |
          | (Fourth  |        |        |       |       |       |       |
          |   card   |        |        |       |       |       |       |
          |----------+--------+--------+-------+-------+-------+-------|
          |   3C0h   |   On   |   On   |  On   |  On   |  Off  |  Off  |
          |----------+--------+--------+-------+-------+-------+-------|
          |   3D0h   |   On   |   On   |  On   |  On   |  Off  |  On   |
          |----------+--------+--------+-------+-------+-------+-------|
          |   3E0h   |   On   |   On   |  On   |  On   |  On   |  Off  |
          |----------+--------+--------+-------+-------+-------+-------|
          |   3F0h   |   On   |   On   |  On   |  On   |  On   |  On   |
          |------------------------------------------------------------|
          | Note: A total of 752 memory base address settings are      |
          | available. The switches are a binary representation of the |
          | decimal addresses. Switch 2 is the Least Significant Bit   |
          | and switch 7 is the Most Significant Bit. The switches     |
          | have the following decimal values: switch 2=16, 3=32,      |
          | 4=64, 5=128, 6=256, 7=512. Add the values of the on        |
          | switches to obtain the correct memory address. (Off=0,     |
          | On=1)                                                      |
          +------------------------------------------------------------+