AMERICAN MEGATRENDS, INC.

SERIES 50 SUPER VOYAGER

Processor        80486SX/80486DX/ODP486SX/80486DX2
Processor Speed  20/25/33/50/50(internal)/66(internal)MHz
Chip Set         AMI
Max. Onboard     32MB
DRAM
Cache            64/256KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      Floppy drive interface, IDE interface,parallel port,
                 serial ports (2)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  External battery           J1       Serial port 1                P1

  Speaker                    J15      Serial port 2                P4

  Turbo LED                  J16      Parallel port                P5

  Power LED & keylock        J18      Floppy drive interface       P6

  Turbo switch               J21      IDE interface                P7

  Reset switch               J22

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   CPU select type 80486DX or             J12             1 & 2,3 & 4
      80486DX2                                                 closed

      CPU select type 80486SX                J12             pins 2 & 3
                                                               closed

  »   Serial port 1 interrupt                J13             pins 1 & 2
      select IRQ3                                              closed

      Serial port 1 interrupt                J13             pins 2 & 3
      select IRQ4                                              closed

  »   Serial port 2 interrupt                J14             pins 2 & 3
      select IRQ3                                              closed

      Serial port 2 interrupt                J14             pins 1 & 2
      select IRQ4                                              closed

  »   Power good signal detect from          J23             pins 2 & 3
      power supply                                             closed

      Power good signal detect from          J23             pins 1 & 2
      board                                                    closed

  »   Parallel port select                   J24             pins 2 & 3
      interrupt IRQ7                                           closed

      Parallel port select                   J24             pins 1 & 2
      interrupt IRQ5                                           closed

  »   CMOS memory normal operation           J33             pins 1 & 2
                                                               closed

      CMOS memory clear                      J33             pins 2 & 3
                                                               closed

  »   Monitor type select                   SW2/1               Off
      monochrome

      Monitor type select color             SW2/1                On

  »   Manufacturing diagnostics             SW2/2               Off

  Note:SW2/switch 2 is factory configured - do not 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

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      32MB        (4) 4M x 9      (4) 4M x 9

              CACHE CONFIGURATION

      Size          Bank 0           TAG

      64KB        (8) 8K x 8     (3) 16K x 4

     256KB        (8) 32 K x 8   (3) 16K x 4

         CACHE SWITCH CONFIGURATION

  Size     SW1/1    SW1/2    SW1/3    SW1/4

  64KB      Off      Off      Off      Off

  256KB     On       On       On       On

         CPU SPEED CONFIGURATION

        Size                 J17

        20MHz         pins 2 & 3 closed

        25MHz         pins 1 & 2 closed

        33MHz         pins 1 & 2 closed

       50iMHz         pins 1 & 2 closed

        50MHz         pins 1 & 2 closed

       66iMHz         pins 1 & 2 closed