
VITALCOM INTERNATIONAL, INC.

486 EISA

Processor        80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed  16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set         SIS
Max. Onboard DRAM64MB
Cache            64/128/256/512/1024KB
BIOS             AMI/Award
Dimensions       330mm x 218mm
I/O Options      32-bit VESA local bus slots (3)
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                 Location      Purpose                Location

  Power LED & keylock       JP15        Speaker                  JP19

  Turbo LED                 JP16        Chassis fan power        JP22

  Turbo switch              JP17        32-bit VESA Local     S1, S2 & S3
                                        bus slots

  Reset switch              JP18

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             JP20             Open
      alter

     Factory configured - do not             JP21          pins 2 & 3
      alter                                                   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) 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) 1M 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   (1) 4M x 36

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

                            CACHE CONFIGURATION

     Size          Bank 0        Bank 1          TAG         U16 (Dirty
                                                                bit)

     64KB        (1) 8K x 8    (1) 8K x 8     (2) 16K x     (1) 16K x 1
                                                  4

     128KB       (4) 32K x 8      NONE        (2) 16K x     (1) 16K x 1
                                                  4

     256KB       (4) 32K x 8   (4) 32K x 8    (2) 16K x     (1) 16K x 1
                                                  4

     512KB       (4) 128K x       NONE        (2) 64K x     (1) 64K x 1
                     8                            4

      1MB        (4) 128K x     (4) 128K x    (2) 64K x     (1) 64K x 1
                     8              8             4

                        CACHE JUMPER CONFIGURATION

    Size           JP1           JP2         JP3        JP4        JP5

    64KB          2 & 3        Closed       1 & 2      1 & 2      1 & 2

    128KB        1,2,3,4        Open        2 & 3      1 & 2      1 & 2

    256KB        2,3,4,5        Open        2 & 3      2 & 3      1 & 2

    512KB      1,2,3,4,5,6      Open        2 & 3      2 & 3      2 & 3

     1MB       2,3,4,5,6,7      Open        2 & 3      2 & 3      2 & 3

  Note: Pins designated should be in the closed position.

                 CACHE JUMPER CONFIGURATION

   Size       JP6       JP7       JP8       JP9       JP10

   64KB      1 & 2     1 & 2     1 & 2     1 & 2     1 & 2

  128KB      1 & 2     2 & 3     1 & 2     1 & 2     1 & 2

  256KB      1 & 2     2 & 3     2 & 3     1 & 2     1 & 2

  512KB      1 & 2     2 & 3     2 & 3     2 & 3     1 & 2

   1MB       2 & 3     2 & 3     2 & 3     2 & 3     2 & 3

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

      CPU Type              JP11              JP12              JP13

        486SX               Open           pins 2 & 3           Open
                                             closed

        487SX            pins 2 & 3        pins 1 & 2          Closed
                           closed            closed

        486DX            pins 1 & 2        pins 1 & 2          Closed
                           closed            closed

       486DX2            pins 1 & 2        pins 1 & 2          Closed
                           closed            closed

  Pentium Overdrive      pins 2 & 3        pins 1 & 2          Closed
                           closed            closed

              CPU SPEED CONFIGURATION

  CPU speed      SW/1         SW/2        SW/3

    16MHz        Off           On          Off

    20MHz        Off          Off          On

    25MHz         On          Off          On

    33MHz         On           On          On

   50iMHz        Off           On          Off

   66iMHz         On           On          On

