SCIENTIFIC MICRO SYSTEMS
========================

   OMTI 8240

   Data bus: 16-bit, ISA

   Size: Full-length, full-height card

   Hard drives supported:  Two MFM ST506/ST412 drives

   Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB

   Sector Interleave: 1:1

   Maximum heads/cyl.: 16 heads and 2048 cylinders

<gopher://bitreich.org/I/th99/c/S-T/20186-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                  |    Location    |
   |-------------------------------------------+----------------|
   | 34-pin control cable connector-hard drive |       J1       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 1       |       J3       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 0       |       J4       |
   |-------------------------------------------+----------------|
   | 34-pin data cable connector-floppy drive  |       J5       |
   |-------------------------------------------+----------------|
   | 4-pin connector-drive active LED          |       J6       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Location | Setting |
   |---------------------------------------+----------+---------|
   |>> | Hard drive port address is        |    W1    |  open   |
   |   | 1F0-1F7h                          |          |         |
   |---+-----------------------------------+----------+---------|
   |   | Hard drive port address is        |    W1    | closed  |
   |   | 170-177h                          |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | Floppy drive port address is      |    W2    |  open   |
   |   | 3F0-3F7h                          |          |         |
   |---+-----------------------------------+----------+---------|
   |   | Floppy drive port address is      |    W2    | closed  |
   |   | 370-377h                          |          |         |
   +------------------------------------------------------------+