(TXT) View Source
       
       # DATA BUSINESS SYSTEMS
       
          KEYBOARD PC
       
          Processor        80286/80386SX                                 
          Processor Speed  12/16/20/25MHz                                
          Chip Set         C & T                                         
          Max. Onboard     16MB                                          
          DRAM             
          Cache            32KB (80386SX model only)                     
          BIOS             AMI                                           
          Dimensions       236mm x 205mm                                 
          I/O Options      Bus mouse port, external keyboard connector,  
                           floppy interface, game port, IDE interface,   
                           parallel ports (3), serial ports (2), VGA     
                           port, Video port (TTL)                        
          NPU Options      80287/80387SX                                 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                   VIDEO SWITCH SETTINGS                    |
          |------------------------------------------------------------|
          | Function  | SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8 |    JP2     |
          |-----------+-------+------+------+------+------+------------|
          |Monochrome |Closed | Open |Closed| Open | Open | pins 1 & 2 |
          |           |       |      |      |      |      |   closed   |
          |-----------+-------+------+------+------+------+------------|
          |    CGA    | Open  |Closed| Open |Closed|Closed| pins 2 & 3 |
          |           |       |      |      |      |      |   closed   |
          |-----------+-------+------+------+------+------+------------|
          |    EGA    | Open  |Closed|Closed| Open | Open | pins 1 & 2 |
          |           |       |      |      |      |      |   closed   |
          |------------------------------------------------------------|
          |Notes:For VGA mode, no switch configuration is necessary.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | DC power         |   CN1    | Hard & floppy     |   CN15   |
          |                  |          | drive power       |          |
          |------------------+----------+-------------------+----------|
          | Video port (TTL) |   CN2    | Internal IDE      |   CN16   |
          |                  |          | drive             |          |
          |------------------+----------+-------------------+----------|
          | VGA port         |   CN3    | External IDE      |   CN17   |
          |                  |          | drive             |          |
          |------------------+----------+-------------------+----------|
          | Parallel port    |   CN4    | 16-bit ISA        |   ISA1   |
          | (LPT1)           |          | expansion slot    |          |
          |                  |          | (2/3 size)        |          |
          |------------------+----------+-------------------+----------|
          | Parallel port    |   CN5    | Speaker           |    J1    |
          | (LPT2)           |          |                   |          |
          |------------------+----------+-------------------+----------|
          | Parallel port    |   CN6    | Integrated        |    J2    |
          | (LPT3)           |          | keyboard          |          |
          |------------------+----------+-------------------+----------|
          | Serial port      |   CN7    | Turbo LED         |    J3    |
          | (COM1)           |          |                   |          |
          |------------------+----------+-------------------+----------|
          | Serial port      |   CN8    | IDE interface LED |    J4    |
          | (COM2)           |          |                   |          |
          |------------------+----------+-------------------+----------|
          | Bus mouse port   |   CN9    | Power LED &       |    J5    |
          |                  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | Auxiliary        |   CN10   | External battery  |    J6    |
          | keyboard         |          |                   |          |
          |------------------+----------+-------------------+----------|
          | Game port        |   CN12   | Power switch      |    J7    |
          |------------------+----------+-------------------+----------|
          | Internal floppy  |   CN13   | Reset switch      |    J8    |
          | drive            |          |                   |          |
          |------------------+----------+-------------------+----------|
          | External floppy  |   CN14   |                   |          |
          | drive            |          |                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |        Function        | Jumper/Switch |     Position      |
          |------------------------+---------------+-------------------|
          |   | Volume select      |     CN11      |  max. clockwise   |
          |   | maximum            |               |                   |
          |---+--------------------+---------------+-------------------|
          |   | Volume select      |     CN11      |       max.        |
          |   | minimum            |               | counter-clockwise |
          |---+--------------------+---------------+-------------------|
          | » | CMOS memory normal |      JP1      | pins 1 & 2 closed |
          |   | operation          |               |                   |
          |---+--------------------+---------------+-------------------|
          |   | CMOS memory clear  |      JP1      | pins 2 & 3 closed |
          |---+--------------------+---------------+-------------------|
          | » | Memory select 0    |      JP3      |       Open        |
          |   | wait states        |               |                   |
          |---+--------------------+---------------+-------------------|
          |   | Memory select 1    |      JP3      |      Closed       |
          |   | wait state         |               |                   |
          |---+--------------------+---------------+-------------------|
          | » | LPT2 (CN5) enabled |     SW1/1     |        On         |
          |---+--------------------+---------------+-------------------|
          |   | LPT2 (CN5)         |     SW1/1     |        Off        |
          |   | disabled           |               |                   |
          |---+--------------------+---------------+-------------------|
          | » | LPT3 (CN6) enabled |     SW1/2     |        On         |
          |---+--------------------+---------------+-------------------|
          |   | LPT3 (CN6)         |     SW1/2     |        Off        |
          |   | disabled           |               |                   |
          |---+--------------------+---------------+-------------------|
          | » | Game port (CN12)   |     SW1/3     |        On         |
          |   | enabled            |               |                   |
          |---+--------------------+---------------+-------------------|
          |   | Game port (CN12)   |     SW1/3     |        Off        |
          |   | disabled           |               |                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |      512KB       |    (2) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       1MB        |    (2) 256K x 9    |    (2) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       2MB        |     (2) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |      2.5MB       |    (2) 256K x 9    |     (2) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       4MB        |     (2) 1M x 9     |     (2) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       8MB        |     (2) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |      8.5MB       |    (2) 256K x 9    |     (2) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       10MB       |     (2) 1M x 9     |     (2) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (2) 4M x 9     |     (2) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |            32KB            |          (4) 16K x 4          |
          +------------------------------------------------------------+