JOINDATA SYSTEMS, INC.

G386B Version 2

Processor         80386DX
Processor Speed   20/25MHz
Chip Set          UMC
Max. onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card
NPU Options       80287/80387DX

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Reset switch              JP2       Speaker                     JP6

  Turbo LED                 JP1       Power LED & keylock         JP7

  Turbo switch              JP3       32-bit external memory       S1
                                      card

  Unknown                   JP4

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Monitor type select color              W11               Closed

      Monitor type select                    W11                Open
      monochrome

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

      2MB        (36) 41256     (36) 41256       NONE           NONE

      8MB       (36) 411000    (36) 411000       NONE           NONE

     16MB       (36) 411000    (36) 411000    (36) 411000    (36) 411000

  Note:Banks 2 and 3 are located on the external memory card.

                      NPU CONFIGURATION

         NPU                 JP9                  JP10

        80287          pins 2 & 3 closed          Open

        80387          pins 1 & 2 closed         Closed

    Not installed            Open                 Open

[Image]

                         DRAM JUMPER CONFIGURATION

     System         J1A            J1B            J2A            J2B
    Memory

      0KB        pins 1 & 2     pins 1 & 2     pins 1 & 2     pins 1 & 2
                   closed         closed        closed          closed

      2MB        pins 2 & 3     pins 2 & 3     pins 2 & 3     pins 2 & 3
                   closed         closed        closed          closed

      8MB        pins 2 & 3     pins 2 & 3     pins 2 & 3     pins 2 & 3
                   closed         closed        closed          closed