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       # UNIDENTIFIED
       
          K386SX
       
          Processor        80386SX                                       
          Processor Speed  16/20MHz                                      
          Chip Set         C & T NEAT                                    
          Max. Onboard     8MB                                           
          DRAM             
          Cache            None                                          
          BIOS             AMI/Phoenix                                   
          Dimensions       330mm x 218mm                                 
          I/O Options      Parallel port, serial ports (2), floppy drive 
                           interface, IDE interface                      
          NPU Options      80387SX                                       
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose              | Location | Purpose       | Location |
          |----------------------+----------+---------------+----------|
          | Serial port 2        |    J2    | Turbo LED     |   J20    |
          |----------------------+----------+---------------+----------|
          | Serial port 1        |    J3    | IDE interface |   J22    |
          |                      |          | LED           |          |
          |----------------------+----------+---------------+----------|
          | Parallel port        |    J4    | Turbo switch  |   J23    |
          |----------------------+----------+---------------+----------|
          | External battery     |   J11    | Speaker       |   J25    |
          |----------------------+----------+---------------+----------|
          | IDE interface        |   J12    | Reset switch  |   J28    |
          |----------------------+----------+---------------+----------|
          | Floppy drive         |   J13    | Power LED &   |   J29    |
          | interface            |          | keylock       |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | IRQ14 busy when IDE       |      J19      | pins 1 & 2 |
          |   | interface is busy         |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | IRQ14 clear when IDE      |      J19      | pins 2 & 3 |
          |   | interface is busy         |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |      J24      |    open    |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | NPU disabled              |      J26      |   closed   |
          |---+---------------------------+---------------+------------|
          |   | NPU enabled               |      J26      |    open    |
          |---+---------------------------+---------------+------------|
          | » | Floppy drive interface    |     SW1/1     |    Off     |
          |   | enabled                   |               |            |
          |---+---------------------------+---------------+------------|
          |   | Floppy drive interface    |     SW1/1     |     On     |
          |   | disabled                  |               |            |
          |---+---------------------------+---------------+------------|
          | » | Floppy drive interface    |     SW1/2     |    Off     |
          |   | select primary address    |               |            |
          |---+---------------------------+---------------+------------|
          |   | Floppy drive interface    |     SW1/2     |     On     |
          |   | select secondary address  |               |            |
          |---+---------------------------+---------------+------------|
          | » | IDE interface select      |     SW1/3     |    Off     |
          |   | primary address           |               |            |
          |---+---------------------------+---------------+------------|
          |   | IDE interface select      |     SW1/3     |     On     |
          |   | secondary address         |               |            |
          |---+---------------------------+---------------+------------|
          | » | I/O channel ready signal  |     SW1/4     |    Off     |
          |   | (IOCHRDY) disconnected    |               |            |
          |---+---------------------------+---------------+------------|
          |   | I/O channel ready signal  |     SW1/4     |     On     |
          |   | (IOCHRDY) connected       |               |            |
          |---+---------------------------+---------------+------------|
          | » | IDE interface enabled     |     SW1/5     |     On     |
          |---+---------------------------+---------------+------------|
          |   | IDE interface disabled    |     SW1/      |    Off     |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/6     |     On     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | CMOS memory normal        |     SW1/7     |     On     |
          |   | operation                 |               |            |
          |---+---------------------------+---------------+------------|
          |   | CMOS memory clear         |     SW1/7     |    Off     |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select color |     SW1/8     |     On     |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select       |     SW1/8     |    Off     |
          |   | monochrome                |               |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          | 512KB | (2) 256K x  |    NONE    |    NONE    |    NONE    |
          |       |      9      |            |            |            |
          |-------+-------------+------------+------------+------------|
          |  1MB  | (2) 256K x  | (2) 256K x |    NONE    |    NONE    |
          |       |      9      |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          | 1.5MB | (2) 256K x  | (2) 256K x | (2) 256K x |    NONE    |
          |       |      9      |     9      |     9      |            |
          |-------+-------------+------------+------------+------------|
          |  2MB  | (2) 256K x  | (2) 256K x | (2) 256K x | (2) 256K x |
          |       |      9      |     9      |     9      |     9      |
          |-------+-------------+------------+------------+------------|
          |  3MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 |    NONE    |
          |       |      9      |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          |  4MB  | (2) 1M x 9  | (2) 1M x 9 |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          |  5MB  | (2) 256K x  | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
          |       |      9      |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          |  6MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          |  8MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
          +------------------------------------------------------------+