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       # MULTIBEST INDUSTRIAL & MANUFACTURING, INC.
       
          MultiLAN
       
          Processor        80386DX                                       
          Processor Speed  25/33MHz                                      
          Chip Set         OPTI                                          
          Max. Onboard     16MB                                          
          DRAM             
          Cache            None                                          
          BIOS             AMI                                           
          Dimensions       330mm x 215mm                                 
          I/O Options      Ethernet interface (10 Base 2 & 10 Base T),   
                           floppy drive interface, IDE interface, bus    
                           mouse port, parallel port, serial ports (2),  
                           VGA feature connector                         
          NPU Options      80387/3167                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |   CR1    | IDE interface     |    P1    |
          |------------------+----------+-------------------+----------|
          | External battery |    J3    | IDE interface LED |    P2    |
          |------------------+----------+-------------------+----------|
          | Power LED &      |    J5    | Floppy disk       |    P3    |
          | keylock          |          | interface         |          |
          |------------------+----------+-------------------+----------|
          | VGA port         |    J8    | Serial port 2     |    P4    |
          |------------------+----------+-------------------+----------|
          | 10Base2 LAN port |    J9    | Serial port 1     |    P5    |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |   JP1    | Parallel port     |    P6    |
          |------------------+----------+-------------------+----------|
          | Mouse port       |   JP3    | VGA feature pass  |    P7    |
          |                  |          | through           |          |
          |------------------+----------+-------------------+----------|
          | 10BaseT LAN port |   JP16   | Reset switch      |   SW1    |
          |------------------------------------------------------------|
          | Note:The Ethernet buffer RAM (EBR) is factory configured.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP2   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP2   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP4   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP4   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | VGA port enabled                 |  JP5   |    Open    |
          |---+----------------------------------+--------+------------|
          |   | VGA port disabled                |  JP5   |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Floppy drive interface           |  JP8   |    Open    |
          |   | precompensation mode normal      |        |            |
          |---+----------------------------------+--------+------------|
          |   | Floppy drive interface           |  JP8   |   Closed   |
          |   | precompensation mode alternate   |        |            |
          |---+----------------------------------+--------+------------|
          | » | Floppy drive speed select single |  JP9   |    Open    |
          |---+----------------------------------+--------+------------|
          |   | Floppy drive speed select dual   |  JP9   |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Parallel port select LPT1        |  JP10  | pins 2 & 3 |
          |   | interrupt IRQ7                   |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Parallel port select LPT2        |  JP10  | pins 1 & 2 |
          |   | interrupt IRQ5                   |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | IDE interface enabled            |  JP12  |    Open    |
          |---+----------------------------------+--------+------------|
          |   | IDE interface disabled           |  JP12  |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP15  | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Ethernet network interface       |  JP17  | pins 1 & 2 |
          |   | select 10Base2                   |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Ethernet network interface       |  JP17  | pins 2 & 3 |
          |   | select 10BaseT                   |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Bus mouse port enabled           |  JP18  |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Bus mouse port disabled          |  JP18  |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |            1MB             |         (4) 256K x 9          |
          |----------------------------+-------------------------------|
          |            4MB             |          (4) 1M x 9           |
          |----------------------------+-------------------------------|
          |            16MB            |          (4) 4M x 9           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     VRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |      512KB       |    (4) 128K x 8    |        NONE        |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 128K x 8    |    (4) 128K x 8    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |            Size            |              JP6              |
          |----------------------------+-------------------------------|
          |           512KB            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            1MB             |       pins 3 & 4 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            ETHERNET MODULE JUMPER CONFIGURATION            |
          |------------------------------------------------------------|
          |           Function           |            JP13             |
          |------------------------------+-----------------------------|
          |       Ethernet enabled       |      pins 1 & 2 closed      |
          |------------------------------+-----------------------------|
          |      Ethernet disabled       |       pins 1 & 2 open       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  INTERRUPT CONFIGURATION                   |
          |------------------------------------------------------------|
          | Interrupt | JP13 pins | JP13 pins | JP13 pins | JP13 pins  |
          |           |   7 & 8   |  9 & 10   |  11 &12   |  13 & 14   |
          |-----------+-----------+-----------+-----------+------------|
          | IR/FONT>  |  closed   |   open    |   open    |    open    |
          |-----------+-----------+-----------+-----------+------------|
          |   IRQ3    |   open    |  closed   |   open    |    open    |
          |-----------+-----------+-----------+-----------+------------|
          |   IRQ4    |   open    |   open    |  closed   |    open    |
          |-----------+-----------+-----------+-----------+------------|
          |   IRQ5    |   open    |   open    |   open    |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               I/O BASE ADDRESS CONFIGURATION               |
          |------------------------------------------------------------|
          |     Address      |  JP13 pins 3 & 4   |  JP13 pins 5 & 6   |
          |------------------+--------------------+--------------------|
          |    300 - 31Fh    |       Closed       |       Closed       |
          |------------------+--------------------+--------------------|
          |    320 - 33Fh    |        Open        |       Closed       |
          |------------------+--------------------+--------------------|
          |    340 - 35Fh    |       Closed       |        Open        |
          |------------------+--------------------+--------------------|
          |    360 - 37Fh    |        Open        |        Open        |
          +------------------------------------------------------------+