QUADRAM

QUADBOARD

Card Type               Multi-I/O card
Chip Set                Unidentified
Maximum Onboard Memory  384KB DRAM
I/O Options             Game port, parallel port, serial port
Data Bus                8-bit ISA
Floppy drives supported None

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Serial port                  CN1     Game port                    CN3

  Parallel port                CN2

                        USER CONFIGURABLE SETTINGS

                   Function                      Label        Position

  »   Game port enabled                          SW1/1           On

      Game port disabled                         SW1/1          Off

  »   Clock/calendar enabled                     SW1/2           On

      Clock/calendar disabled                    SW1/2          Off

  »   Parity enabled                             SW1/3           On

      Parity disabled                            SW1/3          Off

  »   Quadboard memory enabled                   SW1/4           On

      Quadboard memory disabled                  SW1/4          Off

                            DRAM CONFIGURATION

  Size     Bank 0     Bank 1     Bank 2    Bank 3     Bank 4      Bank 5

  64KB       (9)       None       None      None       None        None
           4164K

  128KB      (9)        (9)       None      None       None        None
           4164K      4164K

  192KB      (9)        (9)        (9)      None       None        None
           4164K      4164K      4164K

  256KB      (9)        (9)        (9)       (9)       None        None
           4164K      4164K      4164K      4164K

  320KB      (9)        (9)        (9)       (9)        (9)        None
           4164K      4164K      4164K      4164K      4164K

  384KB      (9)        (9)        (9)       (9)        (9)         (9)
           4164K      4164K      4164K      4164K      4164K      4164K

          DRAM SWITCH CONFIGURATION

  Size     SW1/5    SW1/6    SW1/7    SW1/8

  64KB      On       On       On       Off

  128KB     On       On       Off      On

  192KB     On       On       Off      Off

  256KB     On       Off      On       On

  320KB     On       Off      On       Off

  384KB     On       Off      Off      On

  448KB     On       Off      Off      Off

  512KB     Off      On       On       On

  576KB     Off      On       On       Off

  640KB     Off      On       Off      On

  704KB     Off      On       Off      Off

  768KB     Off      Off      On       On

  832KB     Off      Off      On       Off

  896KB     Off      Off      Off      On

  960KB     Off      Off      Off      Off

     PARALLEL PORT ADDRESS SELECTION

       Setting               JP1

     LPT1 (378h)      Pins 1 & 2 closed

     LPT2 (278h)      Pins 2 & 3 closed

      SERIAL PORT ADDRESS SELECTION

       Setting               JP1

     COM1 (3F8h)      Pins 5 & 6 closed

     COM2 (2F8h)      Pins 4 & 5 closed

     SERIAL PORT INTERRUPT SELECTION

         IRQ                 JP1

        IRQ4          Pins 7 & 8 closed

        IRQ3          Pins 8 & 9 closed