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       # INFORMTECH INTERNATIONAL, INC.
       
          IT386SX
       
          Processor         80386SX                                      
          Processor Speed   8/16/20MHz                                   
          Chip Set          Intel                                        
          Max. Onboard DRAM 2MB                                          
          Cache             None                                         
          BIOS              Phoenix                                      
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit external memory card                  
          NPU Options       80387SX                                      
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Turbo LED     |    P2    | External battery     |    P8    |
          |---------------+----------+----------------------+----------|
          | Speaker       |    P3    | Keyboard connector   |    J9    |
          |---------------+----------+----------------------+----------|
          | Reset switch  |    P4    | 32-bit external      |   SL1    |
          |               |          | memory card          |          |
          |---------------+----------+----------------------+----------|
          | Power LED &   |    P5    |                      |          |
          | keylock       |          |                      |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Keyboard controller clock speed  |   J5   | pins 1 & 2 |
          |   | select 6MHz                      |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Keyboard controller clock speed  |   J5   | pins 2 & 3 |
          |   | select 12MHz                     |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Power good signal detect from    |   J8   | pins 1 & 2 |
          |   | board                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Power good signal detect from    |   J8   | pins 2 & 3 |
          |   | power supply                     |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  J19   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  J19   |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |  Parity 0  |   Bank 1   |  Parity 1  |
          |--------+------------+------------+------------+------------|
          |  1MB   | (8) 44256  | (4) 41256  |    NONE    |    NONE    |
          |--------+------------+------------+------------+------------|
          |  2MB   | (8) 44256  | (4) 41256  | (8) 44256  | (4) 41256  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          | CPU Speed | Clock speed |   J2   |  J10  |  J13   |  J14   |
          |-----------+-------------+--------+-------+--------+--------|
          |   8MHz    |    8MHz     | 1 & 2  | Open  |  Open  | Closed |
          |-----------+-------------+--------+-------+--------+--------|
          |   16MHz   |    8MHz     | 1 & 2  | 1 & 2 |  Open  |  Open  |
          |-----------+-------------+--------+-------+--------+--------|
          |   16MHz   |    12MHz    | 2 & 3  | 1 & 2 |  Open  |  Open  |
          |-----------+-------------+--------+-------+--------+--------|
          |   20MHz   |    8MHz     | 1 & 2  | 2 & 3 |  Open  |  Open  |
          |-----------+-------------+--------+-------+--------+--------|
          |   20MHz   |    10MHz    |  Open  | 2 & 3 | Closed |  Open  |
          |-----------+-------------+--------+-------+--------+--------|
          |   20MHz   |    12MHz    | 2 & 3  | 2 & 3 |  Open  |  Open  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BATTERY TYPE CONFIGURATION                 |
          |------------------------------------------------------------|
          |               Type               |           J7            |
          |----------------------------------+-------------------------|
          | 3.6v (without limiting resistor) |    pins 1 & 2 closed    |
          |----------------------------------+-------------------------|
          |               4.5v               |    pins 1 & 3 closed    |
          |----------------------------------+-------------------------|
          |   6v (with limiting resistor)    |    pins 3 & 4 closed    |
          |----------------------------------+-------------------------|
          |                6v                |          Open           |
          +------------------------------------------------------------+