
DTK COMPUTER, INC.

PTI-203

Card Type              Multi I/O
Chipset Controller     Unidentified
I/O Options            Game/MIDI port, memory, parallel port, serial port
                       (2)
Maximum DRAM           2MB

[Image]

                                CONNECTIONS

         Purpose           Location           Purpose           Location

  16-pin game/MIDI port       J1       9-pin serial port 1         J3

  10-pin serial port 2        J2       25-pin parallel port        J4

                              MEMORY ADDRESS

  Address     Memory        JP1       SW1/1    SW1/2     SW1/3     SW1/4

  040000h      256K       Pins 1 &     On        On       Off       Off
                         2 closed

  080000h      512KB      Pins 1 &     Off       On       Off       Off
                         2 closed

  160000h     1.384MB     Pins 1 &     On       Off       Off       Off
                         2 closed

  100000h       1MB       Pins 2 &     Off      Off       On        Off
                         3 closed

  200000h      1.5MB      Pins 2 &     Off      Off       Off       Off
                         3 closed

  280000h       2MB       Pins 2 &     Off      Off       On        On
                         3 closed

  300000h      2.5MB      Pins 2 &     Off      Off       Off       On
                         3 closed

  300000h       3MB       Pins 2 &     Off      Off       On        Off
                         3 closed

  380000h      3.5MB      Pins 2 &     Off      Off       Off       Off
                         3 closed

  400000h       4MB       Pins 2 &     Off      Off       On        On
                         3 closed

  480000h      4.5MB      Pins 2 &     Off      Off       Off       On
                         3 closed

  500000h       5MB       Pins 2 &     Off      Off       On        Off
                         3 closed

  580000h      5.5MB      Pins 2 &     Off      Off       Off       Off
                         3 closed

  600000h       6MB       Pins 2 &     Off      Off       On        On
                         3 closed

  680000h      6.5MB      Pins 2 &     Off      Off       Off       On
                         3 closed

  700000h       7MB       Pins 2 &     Off      Off       On        Off
                         3 closed

  780000h      7.5MB      Pins 2 &     Off      Off       Off       Off
                         3 closed

  800000h       8MB       Pins 2 &     Off      Off       On        On
                         3 closed

                MEMORY ADDRESS (CONT)

  Address    Memory     SW1/5      SW1/6      SW1/7

  040000h     256K       Off        Off        Off

  080000h    512KB       Off        Off        Off

  160000h   1.384MB      Off        Off        Off

  100000h     1MB         On        On         On

  200000h    1.5MB        On        On         On

  280000h     2MB        Off        On         On

  300000h    2.5MB       Off        On         On

  300000h     3MB        Off        On         On

  380000h    3.5MB       Off        On         On

  400000h     4MB         On        Off        On

  480000h    4.5MB        On        Off        On

  500000h     5MB         On        Off        On

  580000h    5.5MB        On        Off        On

  600000h     6MB        Off        Off        On

  680000h    6.5MB       Off        Off        On

  700000h     7MB        Off        Off        On

  780000h    7.5MB       Off        Off        On

  800000h     8MB         On        On         On

                          MEMORY ADDRESS (CONT)

  Address     Memory       JP1       SW1/1     SW1/2    SW1/3      SW1/4

  880000h      8.5MB     Pins 2 &     Off       Off      Off        On
                         3 closed

  900000h       9MB      Pins 2 &     Off       Off       On        Off
                         3 closed

  980000h      9.5MB     Pins 2 &     Off       Off      Off        Off
                         3 closed

  A00000h      10MB      Pins 2 &     Off       Off       On        On
                         3 closed

  A80000h     10.5MB     Pins 2 &     Off       Off      Off        On
                         3 closed

  B00000h      11MB      Pins 2 &     Off       Off       On        Off
                         3 closed

  B80000h     11.5MB     Pins 2 &     Off       Off      Off        Off
                         3 closed

  C00000h      12MB      Pins 2 &     Off       Off       On        On
                         3 closed

  C80000h     12.5MB     Pins 2 &     Off       Off      Off        On
                         3 closed

  D00000h      13MB      Pins 2 &     Off       Off       On        Off
                         3 closed

  D80000h     13.5MB     Pins 2 &     Off       Off      Off        Off
                         3 closed

  E00000h      14MB      Pins 1 &      On       Off      Off        Off
                         2 closed

  E80000h     14.5MB     Pins 1 &     Off       Off      Off        Off
                         2 closed

                MEMORY ADDRESS (CONT)

  Address    Memory     SW1/5      SW1/6      SW1/7

  880000h    8.5MB        On        On         Off

  900000h     9MB         On        On         Off

  980000h    9.5MB        On        On         Off

  A00000h     10MB       Off        On         Off

  A80000h    10.5MB      Off        On         Off

  B00000h     11MB       Off        On         Off

  B80000h    11.5MB      Off        On         Off

  C00000h     12MB        On        Off        Off

  C80000h    12.5MB       On        Off        Off

  D00000h     13MB        On        Off        Off

  D80000h    13.5MB       On        Off        Off

  E00000h     14MB       Off        Off        Off

  E80000h    14.5MB      Off        Off        Off

                               SERIAL PORT 1

   Setting       Interrupt      SW2/5      SW2/6       SW3/1      SW3/3

  COM1 (3F8h)        4           On         Off         Off         On

  COM2 (2F8h)        3           Off         On         On         Off

   Disabled         N/A          On          On         On          On

                               SERIAL PORT 2

   Setting       Interrupt      SW2/3      SW2/4       SW3/2      SW3/4

  COM1 (3F8h)        4           On         Off         Off         On

  COM2 (2F8h)        3           Off         On         On         Off

   Disabled         N/A          On          On         On          On

                               PARALLEL PORT

   Setting       Interrupt      SW2/1      SW2/2       SW2/7      SW2/8

  LPT1 (378h)        7           On         Off         Off         On

  LPT2 (278h)        5           Off         On         On         Off

   Disabled         N/A          On          On         On          On

                                 GAME PORT

                 Setting                               SW1/8

                  Enabled                               On

                   Disabled                             Off

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2          Bank 3

     128KB      (18) 64K x 1       NONE          NONE            NONE

     256KB      (18) 64K x 1   (18) 64K x 1      NONE            NONE

     384KB      (18) 64K x 1   (18) 64K x 1   (18) 64K x 1       NONE

     512KB      (18) 64K x 1   (18) 64K x 1   (18) 64K x 1   (18) 64K x 1

     512KB       (18) 256K x       NONE          NONE            NONE
                     1

      1MB        (18) 256K x    (18) 256K x      NONE            NONE
                     1              1

     1.5MB       (18) 256K x    (18) 256K x   (18) 256K x        NONE
                     1              1              1

      2MB        (18) 256K x    (18) 256K x   (18) 256K x     (18) 256K x
                     1              1              1              1

