MICROWISE, INC.
===============

   486A-33

   Processor             80486SX/80487SX/80486DX                  
   Processor Speed       20/25/33/50MHz                           
   Chip Set              SIS                                      
   Max. Onboard DRAM     32MB                                     
   Cache                 32/64/128/256KB                          
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           32-bit external memory card slot         
   NPU Options           4167                                     

<gopher://bitreich.org/I/th99/m/M-O/30294-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose               | Location | Purpose      | Location |
   |-----------------------+----------+--------------+----------|
   | Power LED & keylock   |   CN1    | Reset switch |   JP1    |
   |-----------------------+----------+--------------+----------|
   | Speaker               |   CN2    | Turbo switch |   JP3    |
   |-----------------------+----------+--------------+----------|
   | External battery      |   CN3    | Turbo LED    |   JP5    |
   |-----------------------+----------+--------------+----------|
   | 32-bit external       |    J1    |              |          |
   | memory card           |          |              |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP2   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP2   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP4   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP15  |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP15  |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP19  |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP20  |    N/A     |
   |   | alter                            |        |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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      |            |          |
   |-------+---------------+------------+------------+----------|
   |  4MB  |  (4) 1M x 9   |    NONE    |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   |  6MB  | (4) 256K x 9  | (4) 256K x | (4) 1M x 9 |   NONE   |
   |       |               |     9      |            |          |
   |-------+---------------+------------+------------+----------|
   |  8MB  |  (4) 1M x 9   | (4) 1M x 9 |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 10MB  | (4) 256K x 9  | (4) 256K x | (4) 1M x 9 | (4) 1M x |
   |       |               |     9      |            |    9     |
   |-------+---------------+------------+------------+----------|
   | 12MB  |  (4) 1M x 9   | (4) 1M x 9 | (4) 1M x 9 |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 16MB  |  (4) 1M x 9   | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x |
   |       |               |            |            |    9     |
   |-------+---------------+------------+------------+----------|
   | 16MB  |  (4) 4M x 9   |    NONE    |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 18MB  | (4) 256K x 9  | (4) 256K x | (4) 4M x 9 |   NONE   |
   |       |               |     9      |            |          |
   |-------+---------------+------------+------------+----------|
   | 20MB  |  (4) 1M x 9   | (4) 4M x 9 |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 24MB  |  (4) 1M x 9   | (4) 1M x 9 | (4) 4M x 9 |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 32MB  |  (4) 4M x 9   | (4) 4M x 9 |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 36MB  |  (4) 1M x 9   | (4) 4M x 9 | (4) 4M x 9 |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 40MB  |  (4) 1M x 9   | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x |
   |       |               |            |            |    9     |
   |-------+---------------+------------+------------+----------|
   | 48MB  |  (4) 4M x 9   | (4) 4M x 9 | (4) 4M x 9 |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 64MB  |  (4) 4M x 9   | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x |
   |       |               |            |            |    9     |
   |------------------------------------------------------------|
   | Note:Banks 2 & 3 are used when a 32-bit external memory    |
   | card is installed at J1.                                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 8K x 8   |     NONE      |  (3) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (3) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (3) 16K x 4  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (3) 16K x 4  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |Size | JP9  |JP10 |JP11 |JP12 |JP13 |JP14 |JP16 |JP17 |JP18 |
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |32KB |1 & 2 |1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |64KB |1 & 2 |1 & 2|2 & 3|1 & 2|2 & 3|1 & 2|2 & 3|1 & 2|1 & 2|
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |128KB|1 & 2 |2 & 3|2 & 3|2 & 3|2 & 3|1 & 2|1 & 2|1 & 2|2 & 3|
   |-----+------+-----+-----+-----+-----+-----+-----+-----+-----|
   |256KB|2 & 3 |2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|
   |------------------------------------------------------------|
   |Note:Pins designated should be in the closed position.      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |  Type   |   JP6    |        JP7        |        JP8        |
   |---------+----------+-------------------+-------------------|
   | 80486SX |   Open   |       Open        | pins 2 & 3 closed |
   |---------+----------+-------------------+-------------------|
   | 80487SX |  Closed  | pins 2 & 3 closed | pins 1 & 2 closed |
   |---------+----------+-------------------+-------------------|
   | 80486DX |  Closed  | pins 1 & 2 closed | pins 1 & 2 closed |
   +------------------------------------------------------------+