DTK COMPUTER, INC.

PPM-1661D(S)/PPM-2061D(S)/PPM-2561D(S)

Processor                   80386SX
Processor Speed             16/20/25MHz
Chip Set                    DTK
Video Chip Set              None
Maximum Onboard Memory      8MB
Maximum Video Memory        None
Cache                       None
BIOS                        AMI/DTK
Dimensions                  333mm x 222mm
I/O Options                 Floppy drive interface, IDE interface, parallel
                            port, PS/2 mouse port, serial ports (2), game
                            interface
NPU Options                 80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  Serial port                CN1      Reset switch                 J6

  Serial port                CN2      External battery             J7

  Parallel port              CN3      Game interface               J13

  PS/2 mouse port            CN4      IDE interface LED            J15

  Power LED & keylock        J1       IDE interface                J16

  Turbo switch               J3       Floppy drive interface       J17

  Turbo LED                  J5       Riser slot                   SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   NPU not installed                        J8             Closed

      NPU installed                            J8              Open

  »   Floppy drive interface enabled      J19 pins 3 &        Closed
                                               4

      Floppy drive interface disabled     J19 pins 3 &         Open
                                               4

  »   IDE interface disabled               J19 pins 13         Open
                                              & 14

      IDE interface enabled                J19 pins 13        Closed
                                              & 14

      Game port enabled                    J19 pins 15        Closed
                                              & 16

      Game port disabled                   J19 pins 15         Open
                                              & 16

  »   BIOS type select 27256                   W7           Pins 1 & 2
                                                              closed

      BIOS type select 27128                   W7           Pins 2 & 3
                                                              closed

  »   NPU clock input select 387CLK =         W10              Open
      386CLK

      NPU clock input select 387CLK =         W10             Closed
      386CLK/3

  »   Battery type select external            W11           Pins 1 & 2
                                                              closed

      Battery type select internal            W11           Pins 2 & 3
                                                              closed

  »   Monitor type select monochrome          W12           Pins 1 & 2
                                                              closed

      Monitor type select color               W12           Pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

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

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

     1.5MB      (2) 256K x 9   (2) 256K x 9   (2) 256K x 9      None

      2MB       (2) 256K x 9   (2) 256K x 9   (2) 256K x 9  (2) 256K x 9

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

      3MB       (2) 256K x 9   (2) 256K x 9   (2) 1M x 9        None

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

      5MB       (2) 256K x 9   (2) 256K x 9   (2) 1M x 9     (2) 1M x 9

      6MB        (2) 1M x 9    (2) 1M x 9     (2) 1M x 9        None

      8MB        (2) 1M x 9    (2) 1M x 9     (2) 1M x 9     (2) 1M x 9

                    PARALLEL PORT ADDRESS/IRQ SELECTION

        Setting               IRQ        J19 pins 5 & 6    J19 pins 7 & 8

  »         LPT1              IRQ7            Open            Closed

            LPT2              IRQ5           Closed            Open

          Disabled            None            Open             Open

                           SERIAL PORT SELECTION

    Port 1       Port 2      IRQ3        IRQ4        J19     J19      J19
                                                    pins     pins     pins
                                                    1&2     9&10     11&12

  »    COM1       COM2       COM2        COM1      Closed   Closed   Closed

       COM3       COM4       COM4        COM3       Open    Closed   Closed

       COM1     Disabled   Available     COM1      Closed   Closed   Open

      Disabled    COM2       COM2      Available   Closed   Open     Closed

       COM3     Disabled   Available     COM3       Open    Closed   Open

      Disabled    COM4       COM4      Available    Open    Open     Closed