CMS ENHANCEMENTS, INC.

HCWD27X

  Data bus:                  8-bit ISA

  Size:                      Half length, full-height card

  Hard drive supported:      Two RLL ST506/412 drives

  Floppy drives supported:   None

[Image]

                           CONNECTIONS

                  Function                         Location

  34-pin data cable connector - hard drive            J1

  20-pin data cable connector - drive 0               J2

  20-pin data cable connector - drive 1               J3

  External power connector                            J4

  4-pin connector - drive active LED                  J5

                        USER CONFIGURABLE SETTINGS

                Function                    Location          Setting

  »   Interrupt select IRQ5                    W27              open

      Interrupt select IRQ2                    W27             closed

  »   AT compatibility enabled                 W28             closed

      XT compatibility enabled                 W28              open

                              ADDRESS SELECT

    I/O Address       Base Memory Address       W21              W22

  »       320h              C8000h              open            open

          324h              CA000h             closed           open

          328h              CC000h              open           closed

          32Ch              CE000h             closed          closed

                     PRE-SELECTED DRIVE CONFIGURATION

                                     Drive 0   Drive 1

      Capacity   Heads   Cylinders     W17       W18      W19       W20

  »    32MB        4        615       open      open      open     open

       65MB        6        820      closed    closed    closed   closed

       42MB        4        782       open     closed     open    closed

       21MB        2        782      closed     open     closed    open

                                TRANSLATION

      Setting          Dynamic       Sectors         W25          W26

  »     Disabled         Yes            26          open         closed

        Enabled           No            17         closed         open