CMS ENHANCEMENTS, INC.

HBA-CMS2

  Data bus:                  8-bit ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Two MFM ST506/412 drives, up to seven SCSI
                             devices

  Floppy drives supported:   None

[Image]

                               CONNECTIONS

                    Function                             Location

  50-pin SCSI connector                                     J2

  34-pin edge connector - floppy drive                      J3

  34-pin control cable connector - floppy drive             J5

  External power connector                                  J6

  Drive active LED connector                                J7

                        USER CONFIGURABLE SETTINGS

                  Function                      Location       Setting

  »   OWS signal disabled                         JP2            open

      OWS signal enabled                          JP2           closed

  »   IRQ3 enabled                                JP3         pins 1 & 2
                                                                closed

      IRQ5 enabled                                JP3         pins 2 & 3
                                                                closed

      Interrupt disabled                          JP3            open

  »   360KB/720KB/1.2MB/1.44MB floppy             JP5         pins 2 & 3
      drives supported                                          closed

      360KB/720KB floppy drives supported         JP5         pins 1 & 2
                                                                closed

  »   AT register emulation enabled               JP6         pins 2 & 3
                                                                closed

      AT register emulation disabled              JP6         pins 1 & 2
                                                                closed

                        BASE MEMORY ADDRESS SELECT

          Address                   JP1/A                   JP1/B

  »          C8000h                  open                   open

             CC000h                  open                  closed

             DC000h                 closed                 closed

            Invalid                 closed                  open