
PEAKTRON COMPUTER, INC.

PX-3000 TURBO XT

Processor         8088
Processor Speed   12MHz
Chip Set          Peaktron
Max. Onboard DRAM 640KB
Cache             None
BIOS              Peaktron
Dimensions        218mm x 187mm
I/O Options       None
NPU Options       8087

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Reset switch                J1       Turbo switch                J14

  Keylock                     J2       Turbo LED                   J15

  Speaker                     J13      Power LED                   J16

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Parity check enabled                   P1                 Open

      Parity check disabled                  P1                Closed

     CPU speed select switchable            P2              pins 1 & 2
      at turbo turbo switch                                    closed

      CPU speed select switchable            P2              pins 2 & 3
      at keyboard                                              closed

     Factory configured - do not           SW1/1               N/A
      alter

     Factory configured - do not           SW1/2               N/A
      alter

     Factory configured - do not           SW1/3               N/A
      alter

     Factory configured - do not           SW1/4               N/A
      alter

                            DRAM CONFIGURATION

    Size       U28 - U29   U15 - U18    U19 - U22    U28 - 31      U34

    256KB      (2) 44256     NONE         NONE         NONE        NONE

    256KB        NONE      (4) 41256    (4) 41256      NONE        NONE

    512KB        NONE        NONE         NONE       (4) 44256     NONE

    640KB        NONE        NONE         NONE       (4) 44256     NONE

                         DRAM PARITY CONFIGURATION

       Size               U23                U43                U48

      256KB            (1) 41256             NONE              NONE

      256KB            (1) 41256             NONE              NONE

      512KB            (1) 41256          (1) 41256            NONE

      640KB            (1) 41256          (1) 41256            NONE

  Note:One (1) 411000 can be used in location U23 for parity with all
  memory sizes.

               DRAM PARITY JUMPER CONFIGURATION

        Size                  P3                   P4

        256KB          pins 2 & 3 closed   pins 2 & 3 closed

        256KB          pins 2 & 3 closed   pins 2 & 3 closed

        512KB          pins 2 & 3 closed   pins 2 & 3 closed

        640KB          pins 1 & 2 closed   pins 1 & 2 closed

                  VIDEO CONFIGURATION

       Size              SW1/5              SW1/6

       None                On                 On

  Color (40 x 20)         Off                 On

  Color (80 x 25)          On                Off

    Monochrome            Off                Off

                FLOPPY DRIVE CONFIGURATION

  Drives installed         SW1/7               SW1/8

         1                  On                  On

         2                  Off                 On

         3                  On                  Off

         4                  Off                 Off

