(TXT) View Source
       
       # SCIENTIFIC MICRO SYSTEMS
       
          OMTI 8600, 8610
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:         | 16-bit, ISA                            |
          |-------------------+----------------------------------------|
          | Size:             | Full-length, full-height card          |
          |-------------------+----------------------------------------|
          | Hard drives       | Two MFM ST506/ST412 drives or ESDI     |
          | supported:        | drives                                 |
          |-------------------+----------------------------------------|
          | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
          | supported:        | drives                                 |
          +------------------------------------------------------------+
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                   Function                    |  Location  |
          |-----------------------------------------------+------------|
          | 34-pin control cable connector - hard drive   |     J2     |
          |-----------------------------------------------+------------|
          | 20-pin data cable connector - drive 0         |     J3     |
          |-----------------------------------------------+------------|
          | 20-pin data cable connector - drive 1         |     J4     |
          |-----------------------------------------------+------------|
          | 34-pin control cable connector - floppy drive |     J7     |
          |-----------------------------------------------+------------|
          | 2-pin connector - drive active LED            |    J12     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DRIVE TYPE CONFIGURATION                  |
          |------------------------------------------------------------|
          | Cylinders | Heads  |   W1    |   W2    |   W3    |   W4    |
          |-----------+--------+---------+---------+---------+---------|
          |   ESDI    |  ESDI  | closed  | closed  | closed  | closed  |
          |-----------+--------+---------+---------+---------+---------|
          |    918    |   15   |  open   | closed  | closed  | closed  |
          |-----------+--------+---------+---------+---------+---------|
          |    987    |   7    | closed  |  open   | closed  | closed  |
          |-----------+--------+---------+---------+---------+---------|
          |    697    |   5    |  open   |  open   | closed  | closed  |
          |-----------+--------+---------+---------+---------+---------|
          |    306    |   4    | closed  | closed  |  open   | closed  |
          |-----------+--------+---------+---------+---------+---------|
          |    977    |   5    |  open   | closed  |  open   | closed  |
          |-----------+--------+---------+---------+---------+---------|
          |    733    |   5    | closed  |  open   |  open   | closed  |
          |-----------+--------+---------+---------+---------+---------|
          |    640    |   6    |  open   |  open   |  open   | closed  |
          |-----------+--------+---------+---------+---------+---------|
          |    640    |   4    | closed  | closed  | closed  |  open   |
          |-----------+--------+---------+---------+---------+---------|
          |    512    |   8    |  open   | closed  | closed  |  open   |
          |-----------+--------+---------+---------+---------+---------|
          |    612    |   2    | closed  |  open   | closed  |  open   |
          |-----------+--------+---------+---------+---------+---------|
          |    612    |   7    |  open   |  open   | closed  |  open   |
          |-----------+--------+---------+---------+---------+---------|
          |    615    |   4    | closed  | closed  |  open   |  open   |
          |-----------+--------+---------+---------+---------+---------|
          |    612    |   4    |  open   | closed  |  open   |  open   |
          |-----------+--------+---------+---------+---------+---------|
          |    306    |   6    | closed  |  open   |  open   |  open   |
          |-----------+--------+---------+---------+---------+---------|
          |    306    |   4    |  open   |  open   |  open   |  open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  HARD DRIVE PORT ADDRESS                   |
          |------------------------------------------------------------|
          |    Address     |      W5      |      W6      |     W22     |
          |----------------+--------------+--------------+-------------|
          | » |    320h    |     open     |     open     |   closed    |
          |---+------------+--------------+--------------+-------------|
          |   |    324h    |    closed    |     open     |   closed    |
          |---+------------+--------------+--------------+-------------|
          |   |    328h    |     open     |    closed    |   closed    |
          |---+------------+--------------+--------------+-------------|
          |   |    32Ch    |    closed    |    closed    |   closed    |
          |---+------------+--------------+--------------+-------------|
          |   |    1A0h    |     open     |     open     |    open     |
          |---+------------+--------------+--------------+-------------|
          |   |    1A4h    |    closed    |     open     |    open     |
          |---+------------+--------------+--------------+-------------|
          |   |    1A8h    |     open     |    closed    |    open     |
          |---+------------+--------------+--------------+-------------|
          |   |    1ACh    |    closed    |    closed    |    open     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Location | Setting |
          |---------------------------------------+----------+---------|
          | » | Floppy drive port address is      |    W7    | closed  |
          |   | 3F0-3F7h                          |          |         |
          |---+-----------------------------------+----------+---------|
          |   | Floppy drive port address is      |    W7    |  open   |
          |   | 370-377h                          |          |         |
          |---+-----------------------------------+----------+---------|
          | » | Drive 0 sector type is soft       |   W10    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Drive 0 sector type is hard       |   W10    | closed  |
          |---+-----------------------------------+----------+---------|
          | » | Drive 0 set for ST506 drive       |   W11    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Drive 0 set for ESDI drive        |   W11    | closed  |
          |---+-----------------------------------+----------+---------|
          | » | Drive 0 set for fixed media drive |   W12    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Drive 0 set for removable media   |   W12    | closed  |
          |   | drive                             |          |         |
          |---+-----------------------------------+----------+---------|
          | » | Drive 1 sector type is soft       |   W13    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Drive 1 sector type is hard       |   W13    | closed  |
          |---+-----------------------------------+----------+---------|
          | » | Drive 1 set for ST506 drive       |   W14    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Drive 1 set for ESDI drive        |   W14    | closed  |
          |---+-----------------------------------+----------+---------|
          | » | Drive 1 set for fixed media drive |   W15    |  open   |
          |---+-----------------------------------+----------+---------|
          |   | Drive 1 set for removable media   |   W15    | closed  |
          |   | drive                             |          |         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      BYTES PER SECTOR                      |
          |------------------------------------------------------------|
          |  Bytes per sector/sectors per track  |    W8    |    W9    |
          |--------------------------------------+----------+----------|
          | »             |        512/17        |   open   |   open   |
          |---------------+----------------------+----------+----------|
          |               |        512/18        |  closed  |   open   |
          |---------------+----------------------+----------+----------|
          |               |        1024/9        |   open   |  closed  |
          |---------------+----------------------+----------+----------|
          |               |        1056/9        |  closed  |  closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          | Jumpers W21, W23, W24, W25 are factory configured - do not |
          |                           alter.                           |
          +------------------------------------------------------------+