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                            |
   |--------------------------+---------------------------------|
   |                          |                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/S-T/20697-1.png>
   

   +------------------------------------------------------------+
   |                        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 & | closed  |
   |   |                                |      2      |         |
   |---+--------------------------------+-------------+---------|
   |>> | SCSI parity disabled           | W1/pins 2 & | closed  |
   |   |                                |      3      |         |
   |---+--------------------------------+-------------+---------|
   |>> | 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                          |             |         |
   +------------------------------------------------------------+