DESTINY COMPUTERS, INC.
=======================

   486 ACE ADVANTAGE

                                                                  
   Processor             80486SX/80487SX/80486DX/80486DX2         
   Processor Speed       20/25/33/50/66(internal)MHz              
   Chip Set              OPTI                                     
   Max. Onboard DRAM     32MB                                     
   Cache                 64/256KB                                 
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           4167                                     
                                                                  

<gopher://bitreich.org/I/th99/m/C-D/30014-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose      |   Location   | Purpose           | Location |
   |--------------+--------------+-------------------+----------|
   | Reset switch |     J19      | Speaker           |   J21    |
   |--------------+--------------+-------------------+----------|
   | Turbo LED    | J20 pins 1 & | Power LED &       |   J22    |
   |              |      2       | keylock           |          |
   |--------------+--------------+-------------------+----------|
   | Turbo switch | J20 pins 3 & |                   |          |
   |              |      4       |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Battery select internal          |   W1   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery select external          |   W1   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |   W2   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |   W2   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Bus speed select ATCLK/8         |   W3   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Bus speed select ATCLK/6         |   W3   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  W12   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  W12   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  W13   |    Open    |
   |   | alter                            |        |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |   TAG (U29)   |   TAG (U34)   |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (8) 8K x 8   |     NONE      |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (8) 32K x 8  |  (1) 16K x 1  |  (1) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |       W8        |       W9        |      W10       |
   |-------+-----------------+-----------------+----------------|
   | 64KB  |   pins 2 & 3    |   pins 2 & 3    |   pins 2 & 3   |
   |       |     closed      |     closed      |     closed     |
   |-------+-----------------+-----------------+----------------|
   | 256KB |   pins 1 & 2    |   pins 1 & 2    |   pins 1 & 2   |
   |       |     closed      |     closed      |     closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |     Type      | Oscillator |  W4   |  W5   |  W6   |  W7   |
   |---------------+------------+-------+-------+-------+-------|
   | 80486SX 20MHz |   40MHz    | 2 & 3 | 2 & 3 | Open  | Open  |
   |---------------+------------+-------+-------+-------+-------|
   | 80486DX 25MHz |   50MHz    | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
   |---------------+------------+-------+-------+-------+-------|
   | 80486DX 33MHz |  66.6MHz   | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
   |---------------+------------+-------+-------+-------+-------|
   | 80486DX 50MHz |   50MHz    | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
   |---------------+------------+-------+-------+-------+-------|
   | 80486DX 50MHz |   100MHz   | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 |
   |---------------+------------+-------+-------+-------+-------|
   |   80486DX2    |   50MHz    | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
   |     50MHz     |            |       |       |       |       |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+