
PEAKTRON COMPUTER, INC.

PA286

Processor         80286
Processor Speed   12/16MHz
Chip Set          Peaktron
Max. Onboard DRAM 4MB
Cache             None
BIOS              AMI
Dimensions        330mm x 220mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Turbo LED                   J1       Speaker                     J12

  Reset switch                J2       Turbo switch                J13

  Power LED & keylock         J9       External battery            JP1

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper          Position

     NPU mode select synchronous with          J3           pins 2 & 3
      CPU                                                      closed

      NPU mode select asynchronous with         J3           pins 1 & 2
      CPU                                                      closed

     Parity check enabled                      J4             Closed

      Parity check disabled                     J4              Open

     Shadow BIOS ROM enabled                   J5              Open

      Shadow BIOS ROM disabled                  J5             Closed

     DRAM select 0 wait states                 J7             Closed

      DRAM select 1 wait state                  J7              Open

     Bus speed select ATCLK/2                  J8              Open

      Bus speed select ATCLK/3                  J8             Closed

     CPU speed select switchable at            J14             Open
      turbo switch

      CPU speed select switchable at            J14          pins 1 & 2
      keyboard                                                 closed

     Monitor type select monochrome            J15             Open

      Monitor type select color                 J15            Closed

                            DRAM CONFIGURATION

     Size         Bank 0        Bank 1         Bank 2          Bank 3

    512KB       (4) 44256        NONE           NONE            NONE

     1MB        (4) 44256      (4) 44256        NONE            NONE

     2MB           NONE          NONE        (16) 441000        NONE

     4MB           NONE          NONE        (16) 441000     (16) 441000

  Note: Bank 0 = U65, U69, U74, U78, Bank 1 = U39, U43, U50, U54, Bank 2
  = U65 - U72, U74 - U81, Bank 3 = U39 - U46, U50 - U57

                      DRAM PARITY CONFIGURATION

     Size          U38           U49          U64           U73

    512KB         NONE          NONE       (1) 41256     (1) 41256

     1MB        (1) 41256     (1) 41256    (1) 41256     (1) 41256

     2MB          NONE          NONE       (1) 411000    (1) 411000

     4MB       (1) 411000    (1) 411000    (1) 411000    (1) 411000

                  DRAM JUMPER CONFIGURATION

        Size                  J6                  J10

        512KB                Open          pins 2 & 3 closed

         1MB                 Open          pins 2 & 3 closed

         2MB                Closed         pins 1 & 2 closed

         4MB                Closed         pins 1 & 2 closed

