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       # UNIDENTIFIED
       
          TTL 386-33/25
       
          Processor         80386DX                                      
          Processor Speed   25/33MHz                                     
          Chip Set          Unknown                                      
          Max. onboard DRAM 16MB                                         
          Cache             None                                         
          BIOS              AMI                                          
          Dimensions        325mm x 308mm                                
          I/O Options       32-bit external memory card                  
          NPU Options       80387DX                                      
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Speaker       |    J1    | External battery     |   J22    |
          |---------------+----------+----------------------+----------|
          | Power LED &   |    J2    | Turbo Switch         |   J24    |
          | keylock       |          |                      |          |
          |---------------+----------+----------------------+----------|
          | Turbo LED     |   J16    | 32-bit external      |    S1    |
          |               |          | memory card          |          |
          |---------------+----------+----------------------+----------|
          | Reset switch  |   J18    |                      |          |
          |------------------------------------------------------------|
          | Note:The exact location of J24 is unknown.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |          Function           | Jumper |      Position       |
          |-----------------------------+--------+---------------------|
          | » | Power good signal       |   JP   |  pins 1 & 2 closed  |
          |   | detect from power       |        |                     |
          |   | supply                  |        |                     |
          |---+-------------------------+--------+---------------------|
          |   | Power good signal       |   JP   |  pins 2 & 3 closed  |
          |   | detect from board       |        |                     |
          |---+-------------------------+--------+---------------------|
          | » | Factory configured - do |  JP13  |  pins 1 & 3, 2 & 4  |
          |   | not alter               |        | closed, 5 & 6 open  |
          |---+-------------------------+--------+---------------------|
          | » | Monitor type select     |  JP19  |       Closed        |
          |   | color                   |        |                     |
          |---+-------------------------+--------+---------------------|
          |   | Monitor type select     |  JP19  |        Open         |
          |   | monochrome              |        |                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0 (ML1, ML2, ML3,   | Bank 1 (MH1, MH2, MH3, |
          |      |            ML4)            |          MH4)          |
          |------+----------------------------+------------------------|
          | 1MB  |        (4) 256K x 9        |          NONE          |
          |------+----------------------------+------------------------|
          | 2MB  |        (4) 256K x 9        |      (4) 256K x 9      |
          |------+----------------------------+------------------------|
          | 4MB  |         (4) 1M x 9         |          NONE          |
          |------+----------------------------+------------------------|
          | 8MB  |         (4) 1M x 9         |       (4) 1M x 9       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |     Size      |                    J12                     |
          |---------------+--------------------------------------------|
          |      1MB      | pins 1 & 2, 3 & 4 closed, pins 5 & 6 open  |
          |---------------+--------------------------------------------|
          |      2MB      | pins 1 & 2, 5 & 6 open, pins 3 & 4 closed  |
          |---------------+--------------------------------------------|
          |      4MB      | pins 3 & 4, 5 & 6, open, pins 1 & 2 closed |
          |---------------+--------------------------------------------|
          |      8MB      |       pins 1 & 2, 3 & 4 ,5 & 6 open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     NPU CONFIGURATION                      |
          |------------------------------------------------------------|
          |      NPU       |                    J14                    |
          |----------------+-------------------------------------------|
          |    Enabled     | Pins 1 & 2 open, pins 3 & 5, 4 & 6 closed |
          |----------------+-------------------------------------------|
          |    Disabled    | pins 1 & 3, 2 & 4 closed, pins 5 & 6 open |
          +------------------------------------------------------------+