ADVANCED LOGIC RESEARCH, INC.

FLOPPY I/O CONTROLLER

Card Type               Floppy drive controller
I/O Options             floppy drive interface, parallel port, serial port
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Data Bus                8-bit ISA

[Image]

                                CONNECTIONS

          Function            Label            Function             Label

  Serial port                 CN1     Floppy drive interface        CN3

  Parallel port               CN2

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »  Factory configured - do not alter           E1        Unidentified

  »  Factory configured - do not alter           E2        Unidentified

  »  Factory configured - do not alter           E3        Unidentified

  »  Factory configured - do not alter           E4           Closed

                      PARALLEL PORT ADDRESS SELECTION

           Setting                     SW1/3                 SW1/4

  »             LPT1                    On                    Off

               LPT2                     Off                   On

             Disabled                   Off                   Off

                       SERIAL PORT ADDRESS SELECTION

         Setting            SW1/1        SW1/2       SW1/7        SW1/8

  »          COM1             On          Off         Off          On

            COM2             Off          On           On          Off

          Disabled           Off          Off         Off          Off

                     PARALLEL PORT INTERRUPT SELECTION

  Assignment    Interrupt       SW1/1           SW1/2           SW1/5

  LPT1(3BCh)      IRQ7            On             Off             Off

  LPT(378h)       IRQ6           Off              On             Off

  LPT3(278h)      IRQ5           Off             Off             On

     N/A        Disabled         Off             Off             Off

                      SERIAL PORT INTERRUPT SELECTION

  Assignment    Interrupt       SW1/3           SW1/4           SW1/7

  COM1(3F8h)      IRQ14           On             Off             On

  COM2(2F8h)      IRQ3           Off              On             On

  COM3(2A0h)      None           Off              On             Off

     N/A        Disabled         Off             Off             Off

                                       FLOPPY DRIVE SELECTION

                         Function                                  SW1/5                SW1/6

  »   Floppy drive enabled                                          On                    On

      Floppy drive disabled                                         Off                  Off

      Note : When floppy drive is enabled, switch settings control the parallel port; when
      disabled, the settings affect the serial port.