JOINDATA SYSTEMS, INC.

G486EB


Processor         80486DX
Processor Speed   25/33Hz
Chip Set          ETEQ
Max. Onboard DRAM 64MB
Cache             64/256KB
BIOS              AMI/Award/MR/Phoenix
Dimensions        330.2mm x 215.8mm
I/O Options       None
NPU Options       4167


[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                   Location

  Reset switch              J9        Power LED & keylock         J13

  Turbo LED                 J10       External Battery            J14
                                      connector

  Speaker                   J12

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Factory configured - do not alter        J11              N/A

  »   Monitor type select color                JP1            Closed

      Monitor type select monochrome           JP1             Open

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9      NONE           NONE           NONE

     2MB        (4) 256K x 9   (4) 256K x 9      NONE           NONE

     3MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9      NONE

     4MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     4MB        (4) 1M x 9        NONE           NONE           NONE

     5MB        (4) 256K x 9   (4) 1M x 9        NONE           NONE

     6MB        (4) 256K x 9   (4) 256K x 9   (4) 1M x 9        NONE

     7MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9   (4) 1M x 9

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     9MB        (4) 1M x 9     (4) 1M x 9     (4) 256K x 9      NONE

     10MB       (4) 256K x 9   (4) 256K x 9   (4) 1M x 9     (4) 1M x 9

     12MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9        NONE

     13MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9    (4) 256K x 9

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     17MB       (4) 256K x 9   (4) 4M x 9        NONE           NONE

     18MB       (4) 256K x 9   (4) 256K x 9   (4) 4M x 9        NONE

     19MB       (4) 256K x 9   (4) 256K x 9   (4) 256K x 9   (4) 4M x 9

     20MB       (4) 1M x 9     (4) 4M x 9        NONE           NONE

     21MB       (4) 256K x 9   (4) 1M x 9     (4) 4M x 9        NONE

     22MB       (4) 256K x 9   (4) 256K x 9   (4) 1M x 9     (4) 4M x 9

     24MB       (4) 1M x 9     (4) 1M x 9     (4) 4M x 9        NONE

     25MB       (4) 1M x 9     (4) 1M x 9     (4) 4M x 9    (4) 256K x 9

     28MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 4M x 9

     32MB       (4) 4M x 9     (4) 4M x 9        NONE           NONE

     33MB       (4) 4M x 9     (4) 4M x 9     (4) 256K x 9      NONE

     34MB       (4) 4M x 9     (4) 4M x 9     (4) 256K x 9  (4) 256K x 9

     36MB       (4) 4M x 9     (4) 4M x 9     (4) 1M x 9        NONE

     40MB       (4) 4M x 9     (4) 4M x 9     (4) 1M x 9     (4) 1M x 9

     48MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9        NONE

     49MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9    (4) 256K x 9

     52MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9     (4) 1M x 9

     64MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

            CACHE CONFIGURATION

     Size          Cache           Tag

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

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

                        CACHE JUMPER CONFIGURATION

  Size        JP2         JP3          JP4          JP5           JP6

  64KB       Open         Open        Open       pins 2 & 3    pins 2 & 3
                                                  closed        closed

  256KB     Closed       Closed      Closed      pins 1 & 2    pins 1 & 2
                                                  closed        closed