RINGO TECHNOLOGY, INC.

RT486SX/DX (VLB)

Processor              80486SX/80486DX/80486DX2
Processor Speed        33/50(internal)/50/66(internal)MHz
Chip Set               OPTI
Video Chip Set         None
Maximum Onboard Memory 64MB
Maximum Video Memory   None
Cache                  256KB
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            32-bit VESA local bus slots (2)
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            J6        Chassis fan power          P7

  Speaker                     P5        32-bit VESA local      SL1 & SL2
                                        bus slots

  Power LED & keylock         P6

                        USER CONFIGURABLE SETTINGS

                 Function                     Label          Position

  »   Battery type select internal              J6           Pins 2 & 3
                                                              closed

      Battery type select Vectra battery        J6             Open

      CMOS memory clear                         J6           Pins 3 & 4
                                                              closed

  »   Factory configured - do not alter        JP1             Open

  »   Factory configured - do not alter        JP12            Open

  »   Factory configured - do not alter        JP13            Open

  »   Monitor type select color/EGA/VGA        JP21           Closed

      Monitor type select monochrome           JP21            Open

  »   Factory configured - do not alter        JP23            Open

  »   Standard VESA card in SL1                JP24          Pins 2 & 3
                                                              closed

  »   Battery type select Ni Cad               JP26          Pins 2 & 3
                                                              closed

  »   Factory configured - do not alter        JP27          Pins 1 & 2
                                                              closed

  »   Factory configured - do not alter        JP28           Closed

             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

     64MB        (4) 16M x 9      None

                            CACHE CONFIGURATION

            Note: Board is factory installed with 256KB cache and is not
            configurable. The location of the cache is unidentified.

                        CACHE JUMPER CONFIGURATION

     Size          JP10            JP11           JP16           JP17

    256KB        Pins 2 & 3     Pins 2 & 3       Closed         Closed
                  closed          closed

                       CPU SPEED SELECTION

   Speed       JP6        JP7        JP8        JP9       JP22

   33MHz      Open       Open      Closed      1 & 2      Open

  50iMHz      Open       Open       Open       1 & 2     Closed

   50MHz      Open      Closed      Open       1 & 2      Open

  66iMHz      Open       Open      Closed      1 & 2      Open

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

    Type       JP2      JP14      JP15      JP18    JP19    JP20    JP25

  80486SX     Open     Closed    Closed     Open    2 & 3   1 & 2   2 & 3

  80486DX    Closed    Closed    Closed    Closed   1 & 2   1 & 2   2 & 3

  80486DX2   Closed    Closed    Closed    Closed   1 & 2   1 & 2   2 & 3

  Note: Pins designated should be in the closed position.