IRWIN MAGNETIC SYSTEMS, INC.

4100

Card Type              Tape drive controller
Chip Set               Unidentified
Maximum Onboard Memory Unidentified
I/O Options            Tape drive interfaces (2)
Tape drives supported  AccuTrak A120 or A250 drives,

                       Irwin drive models 2040,2080,2120
Data Bus               8-bit ISA

[Image]

                                CONNECTIONS

          Function             Label           Function            Label

  Tape drive interface -        CN1     Tape drive interface –      CN3
  external                              internal

  Unidentified                  CN2     Power connector             CN4

                           DMA CHANNEL SELECTION

    Channel          SW1/5         SW1/6          SW1/7         SW1/8

          1           On            Off            On            Off

  »       2           Off            On            Off            On

                      PARALLEL PORT ADDRESS SELECTION

      Setting           SW1/1        SW1/2         SW1/3         SW1/4

  »    LPT1 (370h)       Off          Off           Off           On

       LPT2 (300h)       Off          Off           Off           Off

                     PARALLEL PORT INTERRUPT SELECTION

            IRQ                     SW1/9                  SW1/10

  »           IRQ6                   Off                     On

              IRQ3                   On                      Off