MOUNTAIN NETWORK SOLUTIONS, INC.
================================

   DRIVECARD

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 8-bit, ISA

   Size: Full-length, full-height card

   Hard drives supported:  Two MFM ST506/412 drives

   Floppy drives supported: None

<gopher://bitreich.org/I/th99/c/M-O/20135-1.png>
   

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |          Function          |     Location     |  Setting   |
   |----------------------------+------------------+------------|
   |>> | BIOS enabled           |   JP1/jumper 7   |    open    |
   |---+------------------------+------------------+------------|
   |   | BIOS disabled          |   JP1/jumper 7   |   closed   |
   |---+------------------------+------------------+------------|
   |>> | BIOS address is CA000h |   JP1/jumper 8   |   closed   |
   |---+------------------------+------------------+------------|
   |   | BIOS address is C8000h |   JP1/jumper 8   |    open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         DRIVE TYPE                         |
   |------------------------------------------------------------|
   |    |Drive|Drive|                                           |
   |    |  1  |  0  |                                           |
   |----+-----+-----+-------------------------------------------|
   |Type| Hds |Cyls |JP1/jumper|JP1/jumper|JP1/jumper|JP1/jumper|
   |    |     |     |    1     |    2     |    3     |    4     |
   |----+-----+-----+----------+----------+----------+----------|
   | 10 |  4  | 306 |   open   |   open   |   open   |   open   |
   | MB |     |     |          |          |          |          |
   |----+-----+-----+----------+----------+----------+----------|
   | 20 |  4  | 615 |  closed  |   open   |  closed  |   open   |
   | MB |     |     |          |          |          |          |
   |----+-----+-----+----------+----------+----------+----------|
   | 40 |  8  | 615 |   open   |  closed  |   open   |  closed  |
   | MB |     |     |          |          |          |          |
   |----+-----+-----+----------+----------+----------+----------|
   | 42 |  5  | 977 |  closed  |  closed  |  closed  |  closed  |
   | MB |     |     |          |          |          |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      I/O PORT ADDRESS                      |
   |------------------------------------------------------------|
   |     Address      |    JP1/jumper 5    |    JP1/jumper 6    |
   |------------------+--------------------+--------------------|
   |>> |     324h     |       closed       |        open        |
   |---+--------------+--------------------+--------------------|
   |   |     320h     |        open        |        open        |
   |---+--------------+--------------------+--------------------|
   |   |     328h     |        open        |       closed       |
   |---+--------------+--------------------+--------------------|
   |   |     32Ch     |       closed       |       closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  DRIVECARD CONFIGURATION                   |
   |------------------------------------------------------------|
   |      Setting       |    Jumper JP9     |    Jumper JP10    |
   |--------------------+-------------------+-------------------|
   | DriveCard is first | pins 1 & 2 closed | pins 1 & 2 closed |
   |       drive*       |                   |                   |
   |--------------------+-------------------+-------------------|
   |    DriveCard is    | pins 2 & 3 closed | pins 2 & 3 closed |
   |    second drive    |                   |                   |
   |------------------------------------------------------------|
   | Note:* When another hard disk uses its own controller,     |
   | this setting stays the same and     the DriveCard becomes  |
   | the second drive                                           |
   +------------------------------------------------------------+

   .