
AMERICAN MEGATRENDS, INC.

SUPER VOYAGER VLB-III ISA

Processor  80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor  25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   AMI
Max.       128MB
Onboard
DRAM
Cache      64/256KB
BIOS       AMI
Dimensions 330mm x 218mm
I/O        32-bit VESA local bus slots (2), floppy drive interface, green
Options    PC connector, IDE interface, parallel port, PS/2 mouse
           interface, serial ports (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  PS/2 mouse interface       J1        Speaker                    J27

  IDE interface LED          J2        Power LED & keylock        J31

  Green PC connector         J3        Reset switch               J32
  (power)

  Parallel port              J5        Turbo switch               J33

  Floppy drive               J8        Password LED               J38
  interface

  IDE interface              J9        Turbo LED                  J40

  External battery           J10       Green PC connector         J47
                                       (monitor)

  Serial port 1              J13       32-bit VESA local       SL1 & SL2
                                       bus slots

  Serial port 2              J14

  Note: The locations of J2 & J3 are unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             J11              Open
      alter

     Factory configured - do not             J12              Open
      alter

     Factory configured - do not             J18              Open
      alter

     Factory configured - do not             J15              Open
      alter

     Parallel port IRQ select IRQ7           J22           pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5           J22           pins 2 & 3
                                                              closed

     Factory configured - do not             J26              Open
      alter

     Serial port 2 IRQ select IRQ3           J28           pins 1 & 2
                                                              closed

      Serial port 2 IRQ select IRQ4           J28           pins 2 & 3
                                                              closed

     Serial port 1 IRQ select IRQ4           J29           pins 1 & 2
                                                              closed

      Serial port 1 IRQ select IRQ3           J29           pins 2 & 3
                                                              closed

     On board mouse enabled                  J30           pins 1 & 2
                                                              closed

      On board mouse disabled                 J30           pins 2 & 3
                                                              closed

     Password LED is used on front           J39           pins 1 & 2
      panel                                                   closed

      Password LED using J38                  J39           pins 2 & 3
                                                              closed

     CPU type select PGA                     J42           pins 1 & 2
                                                              closed

      CPU type select PQFP                    J42           pins 2 & 3
                                                              closed

     CMOS memory normal operation            J48           pins 1 & 2
                                                              closed

      CMOS memory clear                       J48           pins 2 & 3
                                                              closed

     BIOS type select 27256                  J51           pins 1 & 2
                                                              closed

      BIOS type select 27512                  J51           pins 2 & 3
                                                              closed

  Note: The locations of J26 & J39 are unidentified.

                            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

     2MB         (1) 512K x       NONE           NONE            NONE
                    36

     4MB         (1) 256K x     (1) 256K x     (1) 512K x        NONE
                    36             36             36

     4MB         (1) 512K x     (1) 512K x       NONE            NONE
                    36             36

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

     5MB         (1) 256K x    (1) 1M x 36       NONE            NONE
                    36

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

     6MB         (1) 512K x    (1) 1M x 36       NONE            NONE
                    36

     8MB         (1) 256K x     (1) 256K x     (1) 512K x    (1) 1M x 36
                    36             36             36

     8MB         (1) 512K x     (1) 512K x    (1) 1M x 36        NONE
                    36             36

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

     8MB        (1) 2M x 36       NONE           NONE            NONE

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

     12MB        (1) 512K x     (1) 512K 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) 2M x 36    (1) 2M x 36       NONE            NONE

                        DRAM CONFIGURATION (CON'T)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

     17MB         (1) 256K x    (1) 4M x 36       NONE           NONE
                     36

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

     18MB         (1) 512K x    (1) 4M x 36       NONE           NONE
                     36

     20MB         (1) 512K x     (1) 512K x    (1) 4M x 36       NONE
                     36             36

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

     24MB         (1) 512K x     (1) 512K x    (1) 1M x 36   (1) 4M x 36
                     36             36

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

     24MB        (1) 2M x 36    (1) 2M x 36    (1) 2M x 36       NONE

     32MB        (1) 2M x 36    (1) 2M x 36    (1) 2M x 36   (1) 2M x 36

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

     32MB        (1) 8M x 36       NONE           NONE           NONE

     36MB         (1) 512K x     (1) 512K x    (1) 4M x 36   (1) 4M x 36
                     36             36

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

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

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

     40MB        (1) 1M x 36    (1) 1M x 36    (1) 8M x 36       NONE

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

     48MB        (1) 4M x 36    (1) 8M x 36       NONE           NONE

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

     64MB        (1) 16M x 36      NONE           NONE           NONE

     64MB        (1) 4M x 36    (1) 4M x 36    (1) 8M x 36       NONE

     64MB        (1) 8M x 36    (1) 8M x 36       NONE           NONE

     65MB         (1) 256K x    (1) 16M x 36      NONE           NONE
                     36

     68MB        (1) 1M x 36    (1) 16M x 36      NONE           NONE

     68MB        (1) 1M x 36    (1) 8M x 36    (1) 8M x 36       NONE

     72MB        (1) 1M x 36    (1) 1M x 36     (1) 16M x        NONE
                                                   36

     72MB        (1) 1M x 36    (1) 1M x 36    (1) 8M x 36   (1) 8M x 36

     80MB        (1) 4M x 36    (1) 16M x 36      NONE           NONE

     80MB        (1) 4M x 36    (1) 8M x 36    (1) 8M x 36       NONE

     96MB        (1) 4M x 36    (1) 4M x 36     (1) 16M x        NONE
                                                   36

     96MB        (1) 4M x 36    (1) 4M x 36    (1) 8M x 36   (1) 8M x 36

     96MB        (1) 8M x 36    (1) 8M x 36    (1) 8M x 36       NONE

     128MB       (1) 16M x 36   (1) 16M x 36      NONE           NONE

     128MB       (1) 8M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

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

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

               CACHE JUMPER CONFIGURATION

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

  64KB       Off         Off         Off         Off

  256KB      On           On          On          On

                          CPU TYPE CONFIGURATION

        Type             J19          J37           J43           J54

      80486SX          1 & 2, 3      Open           Open          N/A
                         & 4

      80487SX          1 & 2, 3      Open           Open         2 & 3
                         & 4

    80486DX/DX2        1 & 2, 3      Open           Open         1 & 2
                         & 4

   80486DX4 (2x)        2 & 3        1 & 2          Open         1 & 2

  80486DX4 (2.5x)       2 & 3        2 & 3          Open         1 & 2

   80486DX4 (3x)        2 & 3        Open           Open         1 & 2

        P23T           1 & 2, 3      Open           Open         2 & 3
                         & 4

  P4S, P23S, P24S       2 & 3        Open           Open         1 & 2

       P24CT            3 & 4        Open          Closed        2 & 3

        P24D            3 & 4        Open          Closed        1 & 2

  Pentium Overdrive     3 & 4        Open          Closed        2 & 3

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CON'T)

         Type                J55              J56               J57

        80486SX             2 & 3             Open        1 & 2, 3 & 4, 5
                                                                & 6

        80487SX          1 & 2, 3 & 4         Open        1 & 2, 3 & 4, 5
                                                                & 6

      80486DX/DX2        1 & 2, 3 & 4         Open        1 & 2, 3 & 4, 5
                                                                & 6

     80486DX4 (2x)       1 & 2, 3 & 4     1 & 2, 3 & 4,        Open
                                             5 & 6

    80486DX4 (2.5x)      1 & 2, 3 & 4     1 & 2, 3 & 4,        Open
                                             5 & 6

     80486DX4 (3x)       1 & 2, 3 & 4     1 & 2, 3 & 4,        Open
                                             5 & 6

         P23T            1 & 2, 3 & 4         Open        1 & 2, 3 & 4, 5
                                                                & 6

    P4S, P23S, P24S      1 & 2, 3 & 4         Open        1 & 2, 3 & 4, 5
                                                                & 6

         P24CT           1 & 2, 3 & 4     1 & 2, 3 & 4,        Open
                                             5 & 6

         P24D            1 & 2, 3 & 4     1 & 2, 3 & 4,   1 & 2, 3 & 4, 5
                                             5 & 6              & 6

   Pentium Overdrive     1 & 2, 3 & 4         Open        1 & 2, 3 & 4, 5
                                                                & 6

  Note: Pins designated should be in the closed position.

             VESA SPEED (ID2 & ID3) CONFIGURATION

        Speed             J16 (ID3)            J17 (iD2)

        25MHz          pins 1 & 2 closed   pins 1 & 2 closed

        33MHz          pins 1 & 2 closed   pins 1 & 2 closed

        40MHz          pins 2 & 3 closed   pins 2 & 3 closed

       50iMHz          pins 1 & 2 closed   pins 1 & 2 closed

        50MHz          pins 2 & 3 closed   pins 2 & 3 closed

       66iMHz          pins 1 & 2 closed   pins 1 & 2 closed

       75iMHz          pins 1 & 2 closed   pins 1 & 2 closed

       100iMHz         pins 2 & 3 closed   pins 2 & 3 closed

                      DMA CONFIGURATION

         DMA                 J41                  J44

        None                 Open                 Open

        DRQ0           pins 1 & 2 closed   pins 1 & 2 closed

        DRQ1           pins 3 & 4 closed   pins 3 & 4 closed

        DRQ3           pins 5 & 6 closed   pins 5 & 6 closed

