DTK COMPUTER, INC.

PII-129 640K RAM CARD

Card Type              Memory card
Chip Set               Unidentified
Maximum Onboard Memory 640KB RAM (type unidentified)
I/O Options            Unidentified
Data Bus               Unidentified

                                                                     V2641

                        USER CONFIGURABLE SETTINGS

                  Function                     Label        Position

  Parity check enabled                          JP1         Pins 2 & 3
                                                             closed

  Parity check disabled                         JP1         Pins 1 & 2
                                                             closed

           DRAM CONFIGURATION

   Size     Bank 0   Bank 1    Bank 2

  128KB      4164     4164      None

  128KB     41256     None      None

  384KB     41256     4164      None

  384KB     41256     41256     None

  512KB     41256     41256     4164

  576KB     41256     41256     41256

  576KB     41256     41256     41256

  640KB     41256     41256     41256

      DRAM SWITCH CONFIGURATION

  Size     SW1/4    SW1/5    SW1/6

  128KB     Off      Off      Off

  128KB     On       Off      Off

  384KB     Off       On      Off

  384KB     On        On      Off

  512KB     Off      Off       On

  576KB     On       Off       On

  576KB     Off       On       On

  640KB     On        On       On

                       MISCELLANEOUS TECHNICAL NOTES

            Note: The diagram is unavailable and the purpose of SW1/1,
            SW1/2 and SW1/3