SCIENTIFIC MICRO SYSTEMS, INC.

OMTI 5100 (REV. N)

  Data bus:                  50-pin SCSI interface

  Size:                      5.75" x 7.85"

  Hard drive supported:      Up to two ST506/412 MFM drives

  Floppy drives supported:   None



[Image]

                     CONNECTIONS

              Function                   Location

  50-pin SCSI interface                     J1

  34-pin MFM disk control connector         J2

  20-pin data cable connector               J3

  20-pin data cable connector               J4

  DC power connector                       J10

                                 SCSI ADDRESS

  SCSI    W0/0     W0/1     W0/2     W0/3    W0/4     W0/5     W0/6     W0/7
   ID

  »   0  closed    open     open     open    open     open     open     open

  »   1   open    closed    open     open    open     open     open     open

  »   2   open     open    closed    open    open     open     open     open

  »   3   open     open     open    closed   open     open     open     open

  »   4   open     open     open     open    closed   open     open     open

  »   5   open     open     open     open    open     closed   open     open

  »   6   open     open     open     open    open     open     closed   open

  »   7   open     open     open     open    open     open     open     closed

                           SECTOR CONFIGURATION

     Bytes/Sector         Sector/Track            W3             W4

  »         256                32               closed          open

  »         512                17                open          closed

            512                18                open           open

  »        1024                 9               closed         closed

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   SCSI parity enabled                W1/pins 1 & 2         closed

  »   SCSI parity disabled               W1/pins 2 & 3         closed

  »   Factory configured - do not             W5                N/A
      alter

  »   Factory configured - do not             J6                N/A
      alter

  »   Factory configured - do not             W7                N/A
      alter

  »   Factory configured - do not             W8                N/A
      alter