(TXT) View Source
       
       # MICROWAY, INC.
       
          486 US
       
          Processor         80486SX/80487SX/80486DX                      
          Processor Speed   20/25/33/50MHz                               
          Chip Set          UMC                                          
          Max. Onboard DRAM 32MB                                         
          Cache             64/128/256KB                                 
          BIOS              AMI/Phoenix                                  
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit external memory card slot             
          NPU Options       4167                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |    J1    | Turbo switch     |    J6    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J3    | Turbo LED        |    J7    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J4    | 32-bit external  |    S1    |
          |                   |          | memory card      |          |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    J5    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | Monitor type select color      |  JP10  |     Open     |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |  JP10  |    Closed    |
          |---+--------------------------------+--------+--------------|
          | » | Bus speed select fast          |  JP12  |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Bus speed select slow          |  JP12  |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | CMOS memory normal operation   |  JP19  |     Open     |
          |---+--------------------------------+--------+--------------|
          |   | CMOS memory clear              |  JP19  |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |     Bank 0     |   Bank 1   |  Bank 2  |  Bank 3  |
          |--------+----------------+------------+----------+----------|
          |  1MB   |  (4) 256K x 9  |    NONE    |   NONE   |   NONE   |
          |--------+----------------+------------+----------+----------|
          |  2MB   |  (4) 256K x 9  | (4) 256K x |   NONE   |   NONE   |
          |        |                |     9      |          |          |
          |--------+----------------+------------+----------+----------|
          |  3MB   |  (4) 256K x 9  | (4) 256K x | (4) 256K |   NONE   |
          |        |                |     9      |   x 9    |          |
          |--------+----------------+------------+----------+----------|
          |  4MB   |  (4) 256K x 9  | (4) 256K x | (4) 256K | (4) 256K |
          |        |                |     9      |   x 9    |   x 9    |
          |--------+----------------+------------+----------+----------|
          |  4MB   |   (4) 1M x 9   |    NONE    |   NONE   |   NONE   |
          |--------+----------------+------------+----------+----------|
          |  5MB   |  (4) 256K x 9  | (4) 1M x 9 |   NONE   |   NONE   |
          |--------+----------------+------------+----------+----------|
          |  6MB   |  (4) 256K x 9  | (4) 256K x | (4) 1M x |   NONE   |
          |        |                |     9      |    9     |          |
          |--------+----------------+------------+----------+----------|
          |  7MB   |  (4) 256K x 9  | (4) 256K x | (4) 256K | (4) 1M x |
          |        |                |     9      |   x 9    |    9     |
          |--------+----------------+------------+----------+----------|
          |  8MB   |   (4) 1M x 9   | (4) 1M x 9 |   NONE   |   NONE   |
          |--------+----------------+------------+----------+----------|
          |  9MB   |  (4) 256K x 9  | (4) 1M x 9 | (4) 1M x |   NONE   |
          |        |                |            |    9     |          |
          |--------+----------------+------------+----------+----------|
          |  10MB  |  (4) 256K x 9  | (4) 256K x | (4) 1M x | (4) 1M x |
          |        |                |     9      |    9     |    9     |
          |--------+----------------+------------+----------+----------|
          |  12MB  |   (4) 1M x 9   | (4) 1M x 9 | (4) 1M x |   NONE   |
          |        |                |            |    9     |          |
          |--------+----------------+------------+----------+----------|
          |  16MB  |   (4) 1M x 9   | (4) 1M x 9 | (4) 1M x | (4) 1M x |
          |        |                |            |    9     |    9     |
          |--------+----------------+------------+----------+----------|
          |  16MB  |   (4) 4M x 9   |    NONE    |   NONE   |   NONE   |
          |--------+----------------+------------+----------+----------|
          |  17MB  |  (4) 256K x 9  | (4) 4M x 9 |   NONE   |   NONE   |
          |--------+----------------+------------+----------+----------|
          |  18MB  |  (4) 256K x 9  | (4) 256K x | (4) 4M x |   NONE   |
          |        |                |     9      |    9     |          |
          |--------+----------------+------------+----------+----------|
          |  20MB  |   (4) 1M x 9   | (4) 4M x 9 |   NONE   |   NONE   |
          |--------+----------------+------------+----------+----------|
          |  24MB  |   (4) 1M x 9   | (4) 1M x 9 | (4) 4M x |   NONE   |
          |        |                |            |    9     |          |
          |--------+----------------+------------+----------+----------|
          |  28MB  |   (4) 1M x 9   | (4) 1M x 9 | (4) 1M x | (4) 4M x |
          |        |                |            |    9     |    9     |
          |--------+----------------+------------+----------+----------|
          |  32MB  |   (4) 4M x 9   | (4) 4M x 9 |   NONE   |   NONE   |
          |--------+----------------+------------+----------+----------|
          |  36MB  |   (4) 1M x 9   | (4) 4M x 9 | (4) 4M x |   NONE   |
          |        |                |            |    9     |          |
          |--------+----------------+------------+----------+----------|
          |  40MB  |   (4) 1M x 9   | (4) 1M x 9 | (4) 4M x | (4) 4M x |
          |        |                |            |    9     |    9     |
          |--------+----------------+------------+----------+----------|
          |  48MB  |   (4) 4M x 9   | (4) 4M x 9 | (4) 4M x |   NONE   |
          |        |                |            |    9     |          |
          |--------+----------------+------------+----------+----------|
          |  52MB  |   (4) 1M x 9   | (4) 4M x 9 | (4) 4M x | (4) 4M x |
          |        |                |            |    9     |    9     |
          |--------+----------------+------------+----------+----------|
          |  64MB  |   (4) 4M x 9   | (4) 4M x 9 | (4) 4M x | (4) 4M x |
          |        |                |            |    9     |    9     |
          |------------------------------------------------------------|
          | Note:Banks 2 & 3 are used when a 32-bit external memory    |
          | card is installed at S1.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       64KB       |     (4) 8K x 8     |     (4) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      128KB       |    (4) 32K x 8     |        NONE        |
          |------------------+--------------------+--------------------|
          |      256KB       |    (4) 32K x 8     |    (4) 32K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |   Size   |   JP13   |   JP14   |  JP16   |  JP17  |  JP18  |
          |----------+----------+----------+---------+--------+--------|
          |   64KB   |  1 & 2   |  1 & 2   |  2 & 3  | 1 & 2  | 1 & 2  |
          |----------+----------+----------+---------+--------+--------|
          |  128KB   |  2 & 3   |  1 & 2   |  2 & 3  | 2 & 3  | 1 & 2  |
          |----------+----------+----------+---------+--------+--------|
          |  256KB   |  1 & 2   |  2 & 3   |  2 & 3  | 2 & 3  | 2 & 3  |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |  Type   |  JP1   |        JP2        |    JP3     |  JP8   |
          |---------+--------+-------------------+------------+--------|
          | 80486SX |  Open  | pins 2 & 3 closed | pins 3 & 4 | Closed |
          |         |        |                   |   closed   |        |
          |---------+--------+-------------------+------------+--------|
          | 80487SX | Closed | pins 1 & 2 closed | pins 2 & 3 | Closed |
          |         |        |                   |   closed   |        |
          |---------+--------+-------------------+------------+--------|
          | 80486DX | Closed | pins 1 & 2 closed | pins 1 & 2 |  Open  |
          |         |        |                   |   closed   |        |
          +------------------------------------------------------------+