CMS ENHANCEMENTS, INC.

HCWD3VMM2/HCWD6VMM2

  Data bus:                  16-bit ISA

  Size:                      Three-quarter length, full-height card

  Hard drive supported:      Two MFM ST412 drives

  Floppy drives supported:   320KB, 360KB, 720KB, 1.2MB, 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 control cable connector - hard drive               J5

  External LED connector                                    J6

                        USER CONFIGURABLE SETTINGS

                Function                     Location          Setting

  »   Latched hard disk mode enabled           W1/A             open

      Non-latched hard disk mode               W1/A            closed
      enabled

  »   Four byte ECC enabled                    W1/B             open

      Reserved                                 W1/B            closed

  »   Caching enabled                          W1/C             open

      Caching disabled                         W1/C            closed

  »   Factory configured - do not              W1/D             open
      alter

                   USER CONFIGURABLE SETTINGS(CONTINUED)

               Function                     Location          Setting

  »   Primary hard drive I/O address           W3               open
      select

      Alternate hard drive I/O                 W3              closed
      address select

  »   Primary floppy drive I/O                 W4               open
      address select

      Alternate floppy drive I/O               W4              closed
      address select

  »   Single speed floppy drive mode           W5               open
      enabled

      Dual speed floppy drive mode             W5              closed
      enabled