ADAPTEC, INC.

ACB-2072

  Data bus:                  8-bit, ISA

  Size:                      Half-length, full-height card

  Hard drives supported:     Two RLL ST506 drives

  Floppy drives supported:   None

[Image]

                           CONNECTIONS

                  Function                        Location

  34-pin control cable connector-hard drive          J1

  20-pin data cable connector-drive 0                J2

  20-pin data cable connector-drive 1                J3

  4-pin connector-DC power                           J4

                        USER CONFIGURABLE SETTINGS

                Function                     Location         Setting

  »   BIOS enabled                              BD              open

      BIOS disabled                             BD             closed

  »   I/O port address is 320h                 324              open

      I/O port address is 324h                 324             closed

  »   Drive 0 is defined with Jumpers           AB              open
      MN & OP

      Drive 0 is a Syquest drive                AB             closed

  »   Drive 1 is defined with Jumpers           CD              open
      QR & ST

      Drive 1 is a Syquest drive                CD             closed

  »   Factory configured - do not               EF              open
      alter

  »   Factory configured - do not               GH              open
      alter

  »   Factory configured - do not               IJ              open
      alter

  »   Normal Operation                          KL              open

      Self-diagnostics enabled                  KL             closed

                               BIOS ADDRESS

          Select                  Jumper WX               Jumper UV

  »          C800h                   open                   open

             CA00h                   open                  closed

             F800h                  closed                  open

             CC00h                  closed                 closed

                           BIOS DRIVE TYPE TABLE

  Table #     Hds      Cyls      RLL Cap.      Jumper MN      Jumper OP-
                                                Drive 0        Drive 0

                                               Jumper QR-     Jumper ST-
                                                Drive 1        Drive 1

  0          4         612      32.74MB         closed          closed

  1          2         612      16.29MB         closed           open

  2          5         981      65.29MB          open           closed

  3          4         615      32.58MB          open            open