GSI, INC.

MODEL 12

Card Type               Floppy drive/Tape controller
Chip Set                Unidentified
Maximum Onboard Memory  None
I/O Options             Floppy drive interface (2)
Data Bus                8-bit ISA
Floppy drives supported Four 360KB, 720KB, 1.2MB, 1.44MB or 2.88MB drives

[Image]

                                CONNECTIONS

         Function             Label            Function           Label

  2.88 Mb floppy/tape           J2      Floppy drive interface      J3
  drive interface

                          BIOS ADDRESS SELECTION

                Address                                 J4

               C800h - C9FFh                 Pins 5 &6, 9 & 10 closed

  »            CC00h - CDFFh                Pins 5 & 6, 11 & 12 closed

               D000h - 1DFFh                Pins 7 & 8, 9 & 10 closed

               E000h - E1FFh                Pins 7 & 8, 11 & 12 closed

                        FLOPPY DRIVE CONFIGURATION

                 Setting                                J4

                   Primary                       Pins 1 & 2 closed

  »               Secondary                      Pins 3 & 4 closed

                            INTERRUPT SELECTION

                 IRQ                                  J6

                    3                          Pins 1 & 2 closed

                    5                          Pins 3 & 4 closed

  »                 6                          Pins 5 & 6 closed

                           DMA CHANNEL SELECTION

               Channel                                 J5

                    1                          Pins 1 & 2 closed

  »                 2                          Pins 3 & 4 closed

                    3                          Pins 5 & 6 closed