
UNIDENTIFIED

80386 MOTHERBOARD (VER. 3.2)

Processor              80386DX
Processor Speed        16/20/25/30MHz
Chip Set               C & T
Video Chip Set         None
Maximum Onboard Memory 16MB (8MB on external memory card)
Maximum Video Memory   None
Cache                  Unidentified
BIOS                   AMI/Award/Phoenix
Dimensions             327mm x 218mm
I/O Options            External memory card, cache connector
NPU Options            80287/80387DX

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  External battery           JP3      Turbo LED                    JP7

  Turbo switch               JP4      Cache memory connector      JP11

  Power LED & keylock        JP5      Reset switch                JP12

  Speaker                    JP6      External memory card         SL1

                        USER CONFIGURABLE SETTINGS

                 Function                     Label          Position

     8042 controller uses 23 pin              JP1           Pins 1 & 2
      control                                                 closed

      Circuit speed select by pressing         JP1           Pins 2 & 3
      CTRL, ALT + or -                                        closed

      Monitor type select color/EGA/VGA        JP2           Pins 1 & 2
                                                              closed

      Monitor type select monochrome           JP2           Pins 2 & 3
                                                              closed

      Battery type select external             JP3            Closed

      On board battery enabled                 JP3           Pins 1 & 2
                                                              closed

      On board battery disabled                JP3             Open

      CMOS memory clear                        JP3           Pins 3 & 4
                                                              closed

     Factory configured - do not alter        JP8            Closed

                  CACHE CONFIGURATION

  Note: The size of the cache module is unidentified.

                        NPU SELECTION

        Type                 JP9                  JP10

   None installed      Pins 1 & 2 closed          Open

        80287          Pins 1 & 2 closed          Open

        80387          Pins 2 & 3 closed         Closed

                                                                   [Image]

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2          Bank 3

      2MB           1MB            1MB           None            None

      2MB           None           None           1MB            1MB

      8MB           None           None           4MB            4MB

      8MB           4MB            4MB           None            None

     16MB           4MB            4MB            4MB            4MB

            Note: The location of the banks are unidentified. The size of
            the chips are unidentified on the main board and memory card.
            Banks 1 & 2 are located on the main board. Banks 2 & 3 are
            located on the external memory card.

                         DRAM JUMPER CONFIGURATION

          Setting                     J1                     J2

   No memory installed in      Pins 1 & 2, 4 & 5      Pins 1 & 2, 4 & 5
         main board                 closed                 closed

  Memory installed on main     Pins 2 & 3, 5 & 6      Pins 2 & 3, 5 & 6
           board                    closed                 closed

  Note: Either 2MB or 8MB will be installed on the memory card.

