ADAPTEC, INC.

ACB-2322B

Data bus:                16-bit, ISA
Size:                    Full-length, full-height card
Hard drives supported:   2 RLL ESDI drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

[Image]

                            CONNECTIONS

                   Function                          Location

  34-pin control cable connector-floppy drive           J1

  20-pin data cable connector-drive 1                   J3

  20-pin data cable connector-drive 0                   J4

  34-pin data cable connector-hard drive                J5

  4-pin connector-drive active LED                      J6

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Hard drive address 1F0-1F7h        J2/jumper 1           open

      Hard drive address 170-177h        J2/jumper 1          closed

  »   Floppy drive address 3F0-3F7h      J2/jumper 2           open

      Floppy drive address 370-377h      J2/jumper 2          closed

  »   Zero wait state enabled            J2/jumper 3           open

      Zero wait state disabled           J2/jumper 3          closed

  »   Read ahead cache enabled           J2/jumper 5           open

      Read ahead cache disabled          J2/jumper 5          closed

  »   BIOS address C800h                      J7             pins 1 & 2
                                                              closed

      BIOS address CC00h                      J7             pins 2 & 3
                                                              closed

  »   Hard drive Interrupt is IRQ14          J13             pins 1 & 2
                                                              closed

      Hard drive Interrupt is IRQ15          J13             pins 2 & 3
                                                              closed

  »   Floppy drive DMA Request is            J20             pins 1 & 2
      DREQ2                                                   closed

      Floppy drive DMA Request is            J20             pins 2 & 3
      DREQ3                                                   closed

  »   Floppy drive DMA Acknowledge           J21             pins 1 & 2
      Is DACK2                                                closed

      Floppy drive DMA Acknowledge           J21             pins 2 & 3
      is DACK3                                                closed

  »   Floppy drive Interrupt is IRQ6         J22             pins 1 & 2
                                                              closed

      Floppy drive Interrupt is              J22             pins 2 & 3
      IRQ10                                                   closed

      8K Buffer size                         J23/            pins 1 & 2
                                                              closed
                                           J23/TP15
                                                              closed

      16K Buffer size                        J23             pins 1 & 2
                                                              closed
                                           J23/TP15
                                                              closed

    MISCELLANEOUS TECHNICAL NOTES

  J2/jumper 4, 6 & 7 are Not used.