(TXT) View Source
       
       # PC BRAND
       
          386DX/20 & 386DX/25
       
          Processor         80386DX                                      
          Processor Speed   20/25MHz                                     
          Chip Set          Unidentified                                 
          Max. Onboard DRAM 16MB                                         
          Cache             None                                         
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       None                                         
          NPU Options       80287/80387/3167                             
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |    J1    | External battery |   J13    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J2    | Reset switch     |   J15    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J3    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |   J5   | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |   J6   | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  J12   |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  J14   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  J14   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Reset switch active at all times |  J16   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Reset switch active only when    |  J16   | pins 1 & 2 |
          |   | keyboard is locked               |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  J17   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  J17   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 1MB  | (2) 256K x  | (2) 256K x  |    NONE    |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (2) 256K x  | (2) 256K x  | (2) 256K x | (2) 256K x |
          |      |      9      |      9      |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (2) 1M x 9  | (2) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (2) 1M x 9  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 16MB | (2) 4M x 9  | (2) 4M x 9  |    NONE    |    NONE    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     NPU CONFIGURATION                      |
          |------------------------------------------------------------|
          |    Type    |  J4   |  J7   |  J8   |  J9   |  J10  |  J11  |
          |------------+-------+-------+-------+-------+-------+-------|
          |   80287    | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
          |   <10MHz   |       |       |       |       |       |       |
          |------------+-------+-------+-------+-------+-------+-------|
          |   80287    | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
          |   10MHz    |       |       |       |       |       |       |
          |------------+-------+-------+-------+-------+-------+-------|
          |   80387    | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 |
          |------------+-------+-------+-------+-------+-------+-------|
          |    3167    | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+