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

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J22      Power LED & keylock         P6

  Speaker                     P5

                        USER CONFIGURABLE SETTINGS

                 Function                     Label          Position

  »   Battery type select internal             J22           Pins 2 & 3
                                                              closed

      Battery type select Vectra battery       J22             Open

      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.