DTK COMPUTER, INC.

PTM-1260V

Processor             80286
Processor Speed       12MHz
Chip Set              VLSI
Max. Onboard DRAM     4MB
Cache                 None
BIOS                  DTK
Dimensions            329mm x 218mm
I/O Options           Floppy drive interface, parallel port, serial ports
                      (2), video port
NPU Options           80287

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Turbo switch                 J3       9-pin analog video         J26
                                        port

  Turbo LED                    J4       Serial port 2              J27

  Power LED & keylock          J5       Serial port 1              J28

  Speaker                      J7       Parallel port              J29

  Floppy drive interface       J25      External battery           J30

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   BIOS type select 32KB                    J1              Open

      BIOS type select 64KB                    J1             Closed

  »   Factory configured - do not              J2              N/A
      alter

  »   Factory configured - do not              J4              N/A
      alter

  »   Factory configured - do not              J7              N/A
      alter

  »   Zero wait state enabled                  J8             Closed

      Zero wait state disabled                 J8              Open

  »   Factory configured - do not             J12              N/A
      alter

  »   Floppy drive interface enabled          J15             Closed

      Floppy drive interface disabled         J15              Open

  »   Factory configured - do not             J16              N/A
      alter

  »   Monochrome display primary              J22              Open

      CGA display primary                     J22             Closed

  »   Factory configured - do not             J23              N/A
      alter

  »   Factory configured - do not             J24              N/A
      alter

                           DISPLAY CONFIGURATION

           Setting                     J10                   J11

  Monochrome display adapter          Closed                Closed
           enabled

  Monochrome display adapter           Open                  Open
           disabled

       PRIMARY SERIAL PORT CONFIGURATION

  Port 1 (J28)        J18            J21

      COM1          Closed          Closed

      COM3           Open            Open

    Disabled         Open           Closed

    Disabled        Closed           Open

      SECONDARY SERIAL PORT CONFIGURATION

  Port 2 (J27)        J19            J20

      COM2          Closed          Closed

      COM4           Open            Open

    Disabled         Open           Closed

    Disabled        Closed           Open

                        PARALLEL PORT CONFIGURATION

        LPT                J15              J17                J9

        LPT1             Closed            Closed           Pins 1 & 2
                                                             closed

        LPT2              Open              Open            Pins 2 & 3
                                                             closed

      Disabled            Open             Closed              N/A

      Disabled           Closed             Open               N/A

                            DRAM CONFIGURATION

   Size     Bank 0    Parity 0    Bank 1    Parity 1   Bank 2     Bank 3

  512KB       (4)        (2)       NONE       NONE      NONE       NONE
             44256     41256

  512KB      NONE       NONE       NONE       NONE       (2)       NONE
                                                        256K x
                                                          9

   1MB        (4)        (2)        (4)        (2)      NONE       NONE
             44256     41256      44256      41256

   1MB       NONE       NONE       NONE       NONE       (2)     (2) 256K
                                                        256K x     x 9
                                                          9

   2MB       NONE       NONE       NONE       NONE      (2) 1M     NONE
                                                         x 9

   4MB       NONE       NONE       NONE       NONE      (2) 1M   (2) 1M x
                                                         x 9        9

       DRAM JUMPER CONFIGURATION

   Size       J6       J13       J14

  512KB     Closed   Closed    Closed

  512KB     Closed   Closed     Open

   1MB      Closed    Open     Closed

   1MB      Closed    Open      Open

   2MB      Closed    Open      Open

   4MB       Open    Closed    Closed