RMT SYSTEMS, INC.
=================

   RMT2001-F2H2

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

   Data bus: 8-bit, ISA

   Size: Full-length, full-height card

   Hard drives supported:  Two MFM ST506/ST412 drives (5MB to
   140MB)

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

   Maximum heads/cyl.: 16 heads and 1024 cylinders

<gopher://bitreich.org/I/th99/c/P-R/20178-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                  |    Location    |
   |-------------------------------------------+----------------|
   | 34-pin control cable connector-hard drive |       J1       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 0       |       J2       |
   |-------------------------------------------+----------------|
   | 20-pin data cable connector-drive 1       |       J3       |
   |-------------------------------------------+----------------|
   | 34-pin data cable connector-floppy drive  |       J4       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             |  Location   |  Setting   |
   |---------------------------------+-------------+------------|
   |>>  | Drive 0 has 8 heads or     |     JP1     | pins 4 & 6 |
   |    | less                       |             |   closed   |
   |----+----------------------------+-------------+------------|
   |    | Drive 0 has more than 8    |     JP1     | pins 2 & 4 |
   |    | heads                      |             |   closed   |
   |----+----------------------------+-------------+------------|
   |>>  | Drive 1 has 8 heads or     |     JP1     | pins 1 & 3 |
   |    | less                       |             |   closed   |
   |----+----------------------------+-------------+------------|
   |    | Drive 1 has more than 8    |     JP1     | pins 3 & 5 |
   |    | heads                      |             |   closed   |
   |----+----------------------------+-------------+------------|
   |>>  | Single speed floppyDrive   |     JP2     |    open    |
   |    | (Dual-speed not supported) |             |            |
   |----+----------------------------+-------------+------------|
   |>>  | Hard drive port address    | JP3/jumper  |   closed   |
   |    | 1F0-1F7h                   |      1      |            |
   |----+----------------------------+-------------+------------|
   |    | Hard drive port address    | JP3/jumper  |    open    |
   |    | 170-177h                   |      1      |            |
   |----+----------------------------+-------------+------------|
   |>>  | Floppy drive port address  | JP3/jumper  |   closed   |
   |    | 3F0-3F7h                   |      2      |            |
   |----+----------------------------+-------------+------------|
   |    | Floppy drive port address  | JP3/jumper  |    open    |
   |    | 370-377h                   |      2      |            |
   |----+----------------------------+-------------+------------|
   |>>  | Factory configured - do    | JP3/jumper  |    open    |
   |    | not alter                  |      3      |            |
   |----+----------------------------+-------------+------------|
   |>>  | Factory configured - do    | JP3/jumper  |    open    |
   |    | not alter                  |      4      |            |
   |----+----------------------------+-------------+------------|
   |>>  | Hard Drive Interrupt is    |     JP4     | pins 1 & 2 |
   |    | IRQ5                       |             |   closed   |
   |----+----------------------------+-------------+------------|
   |    | Hard Drive Interrupt is    |     JP4     | pins 2 & 3 |
   |    | IRQ2 (Not supported)       |             |   closed   |
   |----+----------------------------+-------------+------------|
   |>>  | Select IRQ6                | JP5/jumpers |   closed   |
   |    |                            |     1-6     |            |
   |----+----------------------------+-------------+------------|
   |>>  | Select DMA Channel 2       | JP6/jumpers |   closed   |
   |    |                            |     1-6     |            |
   |------------------------------------------------------------|
   | Note: JP3/jumpers 3 and 4 allows you to use one EPROM for  |
   | both BIOS's. Closing JP3/3     connects A13 to socket U12  |
   | (pin 26)                                                   |
   |                                                            |
   | Closing JP3/4 redirects the hard drive BIOS select to      |
   | socket U12 (pin 27)                                        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |     Address      |    JP3/jumper 5    |    JP3/jumper 6    |
   |------------------+--------------------+--------------------|
   |      CC00h       |       closed       |        open        |
   |------------------+--------------------+--------------------|
   |      CE00h       |        open        |       closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      HARD DRIVE TYPE                       |
   |------------------------------------------------------------|
   |       | HARD DRIVE  | HARD DRIVE |                         |
   |       |      0      |     1      |                         |
   |-------+-------------+------------+-------------------------|
   |  HD   | SW1/switch  | SW1/switch | SW1/switch | SW1/switch |
   | Type  |      5      |     6      |     7      |     8      |
   |-------+-------------+------------+------------+------------|
   |   1   |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   |   2   |    open     |   closed   |    open    |   closed   |
   |-------+-------------+------------+------------+------------|
   |   3   |   closed    |    open    |   closed   |    open    |
   |-------+-------------+------------+------------+------------|
   |   4   |    open     |    open    |    open    |    open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     FLOPPY DRIVE TYPE                      |
   |------------------------------------------------------------|
   |        |   FLOPPY   |   FLOPPY   |                         |
   |        |  DRIVE 1   |  DRIVE 2   |                         |
   |--------+------------+------------+-------------------------|
   |  Type  | SW1/switch | SW1/switch | SW1/switch | SW1/switch |
   |        |     1      |     2      |     3      |     4      |
   |--------+------------+------------+------------+------------|
   | 360KB  |    open    |    open    |    open    |    open    |
   |--------+------------+------------+------------+------------|
   | 1.2MB  |    open    |   closed   |    open    |   closed   |
   |--------+------------+------------+------------+------------|
   | 720KB  |   closed   |    open    |   closed   |    open    |
   |--------+------------+------------+------------+------------|
   | 1.44MB |   closed   |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 HARD DRIVE TYPES SUPPORTED                 |
   |------------------------------------------------------------|
   |  DRIVE   | HEADS | CYLINDERS | RWC  | PRECOMP. | STEP RATE |
   |   TYPE   |       |           |      |          |           |
   |----------+-------+-----------+------+----------+-----------|
   |    1     |   6   |    640    | 210  |   210    |  18 m s   |
   |----------+-------+-----------+------+----------+-----------|
   |    2     |   6   |    820    | none |   410    |  18 m s   |
   |----------+-------+-----------+------+----------+-----------|
   |    3     |   5   |    733    | none |   367    |  18 m s   |
   |----------+-------+-----------+------+----------+-----------|
   |    4     |   4   |    615    | none |   307    |  30 m s   |
   +------------------------------------------------------------+