ADAPTEC, INC.

ACB-2320D, ACB-2322D

  Data bus:                  16-bit, ISA

  Size:                      Half-length, full-height card

  Hard drives supported:     Two RLL ESDI drives

  Floppy drives supported:   ACB-2320D: None

                             ACB-2322D: Two 360KB, 720KB, 1.2MB, 1.44MB
                             drives

[Image]

                           CONNECTIONS

                  Function                        Location

  4-pin connector-drive active LED            J1

  20-pin data cable connector-drive 1         J2

  20-pin data cable connector-drive 0         J3

  34-pin control cable connector-hard drive   J4

  34-pin data cable connector-floppy drive    J5

                        USER CONFIGURABLE SETTINGS

              Function                     Location           Setting

  »   Not used                         J7/jumper 1         open

  »   Logical drive splitting          J7/jumper 2         open
      option disabled

      Logical drive splitting          J7/jumper 2         closed
      option enabled

  »   Not used                         J7/jumper 3         open

  »   Not used                         J7/jumper 4         open

  »   Read ahead cache enabled         J7/jumper 5         open

      Read ahead cache disabled        J7/jumper 5         closed

  »   Not used                         J7/jumper 6         open

  »   Not used                         J7/jumper 7         open

  »   Hard drive port address is       J10/jumper 1        open
      1F0-1F7h

      Hard drive port address is       J10/jumper 1        closed
      170-177h

  »   Floppy drive port address is     J10/jumper 2        open
      3F0-3F7h

      Floppy drive port address is     J10/jumper 2        closed
      370-377h

  »   Floppy drive enabled             J10/jumper 3        open

      Floppy drive disabled            J10/jumper 3        closed

  »   Single-speed floppy enabled      J11/jumper 1        open

      Dual-speed floppy enabled        J11/jumper 1        closed

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

      Hard Drive Interrupt is IRQ15    J13                 pins 2 & 3
                                                           closed

                               BIOS ADDRESS

      Address          J12/jumper 1      J12/jumper 2      J12/jumper 3

  »   C8000h          open              open              open

      CC000h          closed            open              open

      D0000h          open              closed            open

      D4000h          closed            closed            open

      Disabled        open              open              closed

      D8000h          closed            open              closed

      DC000h          open              closed            closed