RINGO TECHNOLOGY, INC.
======================

   RT486SX/DX

   Processor              80486SX/80486DX/80486DX2                
   Processor Speed        33/50/66(internal)MHz                   
   Chip Set               OPTI                                    
   Video Chip Set         None                                    
   Maximum Onboard Memory 32MB                                    
   Maximum Video Memory   None                                    
   Cache                  256KB                                   
   BIOS                   AMI                                     
   Dimensions             330mm x 218mm                           
   I/O Options            None                                    
   NPU Options            4167                                    

<gopher://bitreich.org/I/th99/m/P-R/34160-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |   J22    | Power LED &       |    P6    |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | Speaker          |    P5    |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | Battery type select internal      |  J22  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Battery type select Vectra        |  J22  |    Open    |
   |   | battery                           |       |            |
   |---+-----------------------------------+-------+------------|
   |   | CMOS memory clear                 |  J22  | Pins 3 & 4 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Monitor type select color/EGA/VGA | JP12  |   Closed   |
   |---+-----------------------------------+-------+------------|
   |   | Monitor type select monochrome    | JP12  |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        None        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |      Note: Board is factory installed with 256KB cache and |
   |      is not configurable. The location of the cache is     |
   |      unidentified.                                         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CPU TYPE SELECTION                     |
   |------------------------------------------------------------|
   |     Type     |   J15    |  JP2   |  JP3   |  JP4   |  JP5  |
   |--------------+----------+--------+--------+--------+-------|
   |  80486SX-33  |  Closed  |  Open  | 1 & 2  |  Open  | 2 & 3 |
   |--------------+----------+--------+--------+--------+-------|
   |  80486DX-33  |  Closed  | 1 & 2  | 2 & 3  | Closed | 2 & 3 |
   |--------------+----------+--------+--------+--------+-------|
   |  80486DX-50  |  Closed  | 1 & 2  | 2 & 3  | Closed | 1 & 2 |
   |--------------+----------+--------+--------+--------+-------|
   | 80486DX2-66  |  Closed  | 1 & 2  | 2 & 3  | Closed | 2 & 3 |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CPU TYPE SELECTION (CON'T)                 |
   |------------------------------------------------------------|
   |     Type     |   JP6    |  JP7   |  JP8  |  JP9   |  JP10  |
   |--------------+----------+--------+-------+--------+--------|
   |  80486SX-33  |  Closed  | 2 & 3  | Open  |  Open  | Closed |
   |--------------+----------+--------+-------+--------+--------|
   |  80486DX-33  |  Closed  | 2 & 3  | Open  | Closed | Closed |
   |--------------+----------+--------+-------+--------+--------|
   |  80486DX-50  |  Closed  | 2 & 3  | Open  | Closed | Closed |
   |--------------+----------+--------+-------+--------+--------|
   | 80486DX2-66  |  Closed  | 2 & 3  | Open  | Closed | Closed |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+