
AMERICAN MEGATRENDS, INC.

SUPER VOYAGER VLB

Processor        80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed  20/25/33/50(internal)/50/66(internal)
Chip Set         AMI
Max. Onboard DRAM64MB
Cache            64/256KB
BIOS             AMI
Dimensions       330mm x 218mm
I/O Options      Bus mouse port, floppy drive interface, IDE interface

                 parallel port, serial port (2), 32-bit VESA card slot (2)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J1       Speaker                     J33

  Serial port 2               J2       Power LED & keylock         J34

  Serial port 1               J3       Turbo switch                J35

  IDE interface LED           J4       Reset switch                J39

  Mouse port                  J5       Parallel port               P3

  IDE interface               J7       Floppy drive interface      P4

  Cache module                J13      32-bit VESA card            S1

  Turbo LED                   J32      32-bit VESA card            S2

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Serial port 2 (J2) select              J10             pins 1 & 2
      IRQ3                                                     closed

      Serial port 2 (J2) select              J10             pins 2 & 3
      IRQ4                                                     closed

     Serial port 1 (J3) select              J11             pins 1 & 2
      IRQ4                                                     closed

      Serial port 1 (J3) select              J11             pins 2 & 3
      IRQ3                                                     closed

     Mouse port (J5) enabled                J12             pins 2 & 3
                                                               closed

      Mouse port (J5) disabled               J12             pins 1 & 2
                                                               closed

     Factory configured - do not            J18                open
      alter

     Factory configured - do not            J20                open
      alter

     Factory configured - do not            J21                open
      alter

     CMOS memory normal operation           J22             pins 2 & 3
                                                               closed

      CMOS memory clear                      J22             pins 1 & 2
                                                               closed

     Local bus speed select                 J40             pins 1 & 2
      <=33MHz                                                  closed

      Local bus speed select > 33MH          J40             pins 2 & 3
                                                               closed

     Factory configured - do not        SW2/Switch 1           open
      alter

     Monitor type select                SW2/Switch 2           open
      monochrome

      Monitor type select color          SW2/Switch 2          closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB         (1) 256K x       NONE           NONE           NONE
                    36

     2MB         (1) 256K x    (1) 256K x        NONE           NONE
                    36             36

     4MB         (1) 256K x    (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB        (1) 1M x 36       NONE           NONE           NONE

     6MB         (1) 256K x    (1) 256K x    (1) 1M x 36        NONE
                    36             36

     8MB        (1) 1M x 36   (1) 1M x 36        NONE           NONE

     10MB        (1) 256K x    (1) 256K x    (1) 1M x 36     (1) 1M x 36
                    36             36

     12MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36        NONE

     16MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     16MB       (1) 4M x 36       NONE           NONE           NONE

     18MB        (1) 256K x    (1) 256K x    (1) 4M x 36        NONE
                    36             36

     20MB       (1) 1M x 36   (1) 4M x 36        NONE           NONE

     24MB       (1) 1M x 36   (1) 1M x 36    (1) 4M x 36        NONE

     32MB       (1) 4M x 36   (1) 4M x 36        NONE           NONE

     36MB       (1) 1M x 36   (1) 4M x 36    (1) 4M x 36        NONE

     40MB       (1) 1M x 36   (1) 1M x 36    (1) 4M x 36     (1) 4M x 36

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36        NONE

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

                             CPU CONFIGURATION

      CPU            Speed            J16          J17            J27

   80486DX2        25/33MHz        pins 1 & 2   pins 1 & 2     pins 1 & 2
                                    closed         and          closed

                                                   3 & 4
                                                  closed

   ODP486SX        25/33MHz        pins 2 & 3   pins 1 & 2     pins 1 & 2
                                    closed         and          closed

                                                   3 & 4
                                                  closed

    80486DX       25/33/50MHz      pins 1 & 2   pins 1 & 2     pins 1 & 2
                                    closed         and          closed

                                                   3 & 4
                                                  closed

    80487SX        25/33MHz        pins 2 & 3   pins 1 & 2     pins 1 & 2
                                    closed         and          closed

                                                   3 & 4
                                                  closed

    80486SX        20/25MHz        pins 1 & 2   pins 2 & 3     pins 2 & 3
                                    closed        closed        closed

                            CACHE CONFIGURATION

    Size         Cache        Cacheable      Location     SW1/Switch 1-4
                Module         Memory

    64KB      Series 691    16MB maximum       J13         all switches
                                                               open

   256KB      Series 691    64MB maximum       J13         all switches
                                                              closed

