ADAPTEC, INC.

ACB-2071

Data bus:                8-bit, ISA
Size:                    Half-length, full-height card
Hard drives supported:   One RLL ST506
Floppy drives supported: None

[Image]

                   CONNECTIONS

             Function                Location

  5-pin power connector            J1

  20-pin data cable connector      J2

  32-pin control cable connector   J3

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

  »   I/O port address is 320h        J5/jumper 7         open

      I/O port address is 324h        J5/jumper 7         closed

  »   BIOS enabled                    J5/jumper 8         closed

      BIOS disabled                   J5/jumper 8         open

                      BIOS DRIVE TYPE TABLE FOR DRIVE 0

  Table   Capacity   Step    Hds.   Cyl.   JP5/1    JP5/2    JP5/3    JP5/4
   #                 Rate

  0       31MB      70msec   4      615    closed   closed   closed   closed

  1       31MB      13msec   2      1023   closed   closed   closed   open

  2       90.3MB    13msec   7      987    closed   closed   open     closed

  3       38MB      13msec   3      987    closed   closed   open     open

  4       65MB      13msec   5      987    closed   open     closed   closed

  5       62MB      13msec   5      980    closed   open     closed   open

  6       105MB     13msec   10     830    closed   open     open     closed

  7       31MB      13msec   4      615    closed   open     open     open

  8       15.6MB    70msec   4      306    open     closed   closed   closed

  9       15.5MB    13msec   2      612    open     closed   closed   open

  10      68MB      13msec   8      640    open     closed   open     closed

  11      15.6MB    13msec   4      306    open     closed   open     open

  12      47MB      13msec   6      640    open     open     closed   closed

  13      31MB      13msec   4      640    open     open     closed   open

  14      31MB      70msec   4      612    open     open     open     closed

  15      31MB      13msec   4      612    open     open     open     open

                               BIOS ADDRESS

         Address                J5/jumper 5             J5/jumper 6

  »         D800h                  open                     open

            DA00h                  open                    closed

  MISCELLANEOUS TECHNICAL NOTES

         J4 is Not used.