(TXT) View Source
       
       # MULTI-TECH SYSTEMS, INC.
       
          MULTIARRAYSBC MT486DX2/XX, MT486DX4/XXX
       
          Processor          80486DX2/80486DX4                           
          Processor Speed    Unidentified                                
          Video Chipset      Unidentified                                
          Chipset            Unidentified                                
          Maximum Onboard    128MB DRAM                                  
          Memory             
          Cache              256KB                                       
          Maximum Video      512KB DRAM                                  
          Memory             
          BIOS               Phoenix                                     
          Dimensions         336.5 x 120.6mm                             
          I/O Options        Floppy drive interface, IDE interface,      
                             parallel port, serial ports (2), VGA port   
          Data Bus           Proprietary                                 
          NPU Options        None                                        
          Video Types        XVGA                                        
          Supported          
          Highest Resolution 1024 x 768                                  
          Supported          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function      | Label |        Function        | Label |
          |-------------------+-------+------------------------+-------|
          | 15-pin VGA port   |  CN1  | Floppy drive interface |  CN7  |
          |-------------------+-------+------------------------+-------|
          | Serial port 1     |  CN2  | Speaker                |  J20  |
          |-------------------+-------+------------------------+-------|
          | IDE interface     |  CN4  | IDE interface LED      |  J27  |
          |-------------------+-------+------------------------+-------|
          | Serial port 2     |  CN5  | Power LED              |  J28  |
          |-------------------+-------+------------------------+-------|
          | Parallel port     |  CN6  | Reset switch           |  SW1  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Setting                 | Label | Position  |
          |----------------------------------------+-------+-----------|
          | » | Mainboard will not reset when DCD  |  J26  |   Open    |
          |   | of serial port 1 goes low          |       |           |
          |---+------------------------------------+-------+-----------|
          |   | Mainboard will reset when DCD of   |  J26  |  Closed   |
          |   | serial port 1 goes low             |       |           |
          |------------------------------------------------------------|
          |      Note:All jumpers not pictured on the diagram are      |
          |      factory configured and should not be altered.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DRAM                            |
          |------------------------------------------------------------|
          |           Size           |             Bank 0              |
          |--------------------------+---------------------------------|
          |           8MB            |           (2) 1M x 36           |
          |--------------------------+---------------------------------|
          |           16MB           |           (2) 2M x 36           |
          |--------------------------+---------------------------------|
          |           32MB           |           (2) 4M x 36           |
          |--------------------------+---------------------------------|
          |           64MB           |           (2) 8M x 36           |
          |--------------------------+---------------------------------|
          |          128MB           |          (2) 16M x 36           |
          |------------------------------------------------------------|
          | Note: The board is factory configured with 4 megabytes of  |
          | RAM.                                                       |
          +------------------------------------------------------------+