(TXT) View Source
       
       # UNIDENTIFIED
       
          386SX25/20/16
       
          Processor             80386SX                                  
          Processor Speed       16/20/25MHz                              
          Chip Set              OPTI                                     
          Max. Onboard DRAM     16MB                                     
          Cache                 None                                     
          BIOS                  AMI                                      
          Dimensions            223mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80387SX                                  
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |   JP2    | Reset switch   |   JP10   |
          |---------------------+----------+----------------+----------|
          | Speaker             |   JP8    | Turbo switch   |   JP11   |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   JP9    | Turbo LED      |   JP12   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | Monitor type select monochrome |  JP1   |     Open     |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select color      |  JP1   |    Closed    |
          |---+--------------------------------+--------+--------------|
          | » | CMOS memory normal operation   |  JP3   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | CMOS memory clear              |  JP3   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size | Bank  | Bank  | Bank 2  | Parity  | Bank 3 | Parity |
          |      |   0   |   1   |         |  (P-2)  |        | (P-3)  |
          |------+-------+-------+---------+---------+--------+--------|
          | 1MB  |  (2)  |  (2)  |  NONE   |  NONE   |  NONE  |  NONE  |
          |      | 256K  | 256K  |         |         |        |        |
          |      |  x 9  |  x 9  |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 1MB  | NONE  | NONE  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      |       |       |  44256  |  41256  | 44256  | 41256  |
          |------+-------+-------+---------+---------+--------+--------|
          | 2MB  |  (2)  |  (2)  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      | 256K  | 256K  |  44256  |  41256  | 44256  | 41256  |
          |      |  x 9  |  x 9  |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 3MB  |  (2)  |  (2)  |   (4)   |   (2)   |  NONE  |  NONE  |
          |      | 256K  | 256K  | 441000  | 411000  |        |        |
          |      |  x 9  |  x 9  |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 3MB  |  (2)  | NONE  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      | 1M x  |       |  44256  |  41256  | 44256  | 41256  |
          |      |   9   |       |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 4MB  |  (2)  |  (2)  |  NONE   |  NONE   |  NONE  |  NONE  |
          |      | 1M x  | 1M x  |         |         |        |        |
          |      |   9   |   9   |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 4MB  | NONE  | NONE  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      |       |       | 441000  | 411000  | 441000 | 411000 |
          |------+-------+-------+---------+---------+--------+--------|
          | 5MB  |  (2)  |  (2)  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      | 1M x  | 1M x  |  44256  |  41256  | 44256  | 41256  |
          |      |   9   |   9   |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 5MB  |  (2)  |  (2)  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      | 256K  | 256K  | 441000  | 411000  | 441000 | 411000 |
          |      |  x 9  |  x 9  |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 6MB  |  (2)  |  (2)  |   (4)   |   (2)   |  NONE  |  NONE  |
          |      | 1M x  | 1M x  | 441000  | 411000  |        |        |
          |      |   9   |   9   |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 6MB  |  (2)  | NONE  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      | 1M x  |       | 441000  | 411000  | 441000 | 411000 |
          |      |   9   |       |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 8MB  |  (2)  |  (2)  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      | 1M x  | 1M x  | 441000  | 411000  | 441000 | 411000 |
          |      |   9   |   9   |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 10MB |  (2)  |  (2)  |  NONE   |  NONE   |  NONE  |  NONE  |
          |      | 1M x  | 4M x  |         |         |        |        |
          |      |   9   |   9   |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 12MB |  (2)  | NONE  |   (4)   |   (2)   |  (4)   |  (2)   |
          |      | 4M x  |       | 441000  | 411000  | 441000 | 411000 |
          |      |   9   |       |         |         |        |        |
          |------+-------+-------+---------+---------+--------+--------|
          | 16MB |  (2)  |  (2)  |  NONE   |  NONE   |  NONE  |  NONE  |
          |      | 4M x  | 4M x  |         |         |        |        |
          |      |   9   |   9   |         |         |        |        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |  Size  |  JP4   |  JP5   |  JP6   |  JP7   |  JP8  |  JP9  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  1MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  1MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  2MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  3MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  3MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  4MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  4MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  5MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  5MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  6MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  6MB   | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  8MB   | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  10MB  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  12MB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  16MB  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+