UNIDENTIFIED
============

   MP-757

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 16-bit, ISA                            |
   |-------------------+----------------------------------------|
   | Size:             | Half-length, full-height card          |
   |-------------------+----------------------------------------|
   | Hard drive        | Two IDE (AT) interface drives          |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/U-Z/20613-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 40-pin IDE (AT) Interface connector           |    JP1     |
   |-----------------------------------------------+------------|
   | 2-pin connector - drive active LED            |    JP2     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    JP9     |
   |-----------------------------------------------+------------|
   | 10-pin serial port 2                          |    JP11    |
   |-----------------------------------------------+------------|
   | 10-pin serial port 1                          |    JP12    |
   |-----------------------------------------------+------------|
   | 25-pin parallel port                          |    JP13    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             |  Location  |  Setting   |
   |----------------------------------+------------+------------|
   |>> | Single HDD                   |    JP3     |   Closed   |
   |---+------------------------------+------------+------------|
   |   | Dual HDD                     |    JP3     |    Open    |
   |---+------------------------------+------------+------------|
   |>> | Parallel is output only      |    JP4     |   Closed   |
   |---+------------------------------+------------+------------|
   |   | Parallel is bi-directional   |    JP4     |    Open    |
   |   | (input/output)               |            |            |
   |---+------------------------------+------------+------------|
   |   | IBM BIOS enabled             |    JP5     | Pins 2 & 3 |
   |   |                              |            |   closed   |
   |---+------------------------------+------------+------------|
   |   | Non-IBM BIOS enabled         |    JP5     | Pins 1 & 2 |
   |   |                              |            |   closed   |
   |---+------------------------------+------------+------------|
   |   | Factory configured - do not  | JP7/jumper |    N/A     |
   |   | alter                        |     A      |            |
   |---+------------------------------+------------+------------|
   |>> | Floppy drive enabled         | JP7/jumper | Pins 2 & 3 |
   |   |                              |     B      |   closed   |
   |---+------------------------------+------------+------------|
   |   | Floppy drive disabled        | JP7/jumper | Pins 1 & 2 |
   |   |                              |     B      |   closed   |
   |---+------------------------------+------------+------------|
   |   | IDE address is 376, 377,     | JP7/jumper | Pins 2 & 3 |
   |   | 170-177h                     |     C      |   closed   |
   |---+------------------------------+------------+------------|
   |   | IDE address is 3F6, 3F7,     | JP7/jumper | Pins 1 & 2 |
   |   | 1F0-1F7h                     |     C      |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             |  Location  |  Setting   |
   |----------------------------------+------------+------------|
   |>> | IDE port enabled             | JP7/jumper | Pins 2 & 3 |
   |   |                              |     D      |   closed   |
   |---+------------------------------+------------+------------|
   |   | IDE port disabled            | JP7/jumper | Pins 1 & 2 |
   |   |                              |     D      |   closed   |
   |---+------------------------------+------------+------------|
   |   | Floppy drive address is 370, | JP7/jumper | Pins 2 & 3 |
   |   | 377h                         |     E      |   closed   |
   |---+------------------------------+------------+------------|
   |   | Floppy drive address is 3F0, | JP7/jumper | Pins 1 & 2 |
   |   | 3F7h                         |     E      |   closed   |
   |---+------------------------------+------------+------------|
   |>> | Floppy drive is A: drive     | JP7/jumper | Pins 2 & 3 |
   |   |                              |     F      |   closed   |
   |---+------------------------------+------------+------------|
   |   | Floppy drive is B: drive     | JP7/jumper | Pins 1 & 2 |
   |   |                              |     F      |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   COM/Address    |    JP6/Jumper A    |    JP6/Jumper D    |
   |------------------+--------------------+--------------------|
   |>> |  COM1/3F8h   | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM3/3E8h   | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM4/2E8h   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SERIAL PORT 1 INTERRUPT SELECT - JP8            |
   |------------------------------------------------------------|
   |      IRQ      |   Jumper A   |   Jumper B   |   Jumper C   |
   |---------------+--------------+--------------+--------------|
   |>> |   IRQ4    |    Closed    |     Open     |     Open     |
   |---+-----------+--------------+--------------+--------------|
   |   |   IRQ3    |     Open     |    Closed    |     Open     |
   |---+-----------+--------------+--------------+--------------|
   |   |   IRQ5    |     Open     |     Open     |    Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   COM/Address    |    JP6/Jumper B    |    JP6/Jumper C    |
   |------------------+--------------------+--------------------|
   |>> |  COM2/2F8h   | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM3/3E8h   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM4/2E8h   | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SERIAL PORT 2 INTERRUPT SELECT - JP8            |
   |------------------------------------------------------------|
   |      IRQ      |   Jumper D   |   Jumper E   |   Jumper F   |
   |---------------+--------------+--------------+--------------|
   |>> |   IRQ3    |    Closed    |     Open     |     Open     |
   |---+-----------+--------------+--------------+--------------|
   |   |   IRQ4    |     Open     |    Closed    |     Open     |
   |---+-----------+--------------+--------------+--------------|
   |   |   IRQ5    |     Open     |     Open     |    Closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT/Address    |    JP6/Jumper A    |    JP6/Jumper C    |
   |------------------+--------------------+--------------------|
   |>> |  LPT1/3F8h   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT2/378h   | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT3/278h   | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            PARALLEL PORT INTERRUPT SELECT - JP8            |
   |------------------------------------------------------------|
   |         IRQ          |     Jumper G     |     Jumper H     |
   |----------------------+------------------+------------------|
   |>>   |      IRQ7      |      Closed      |       Open       |
   |-----+----------------+------------------+------------------|
   |     |      IRQ5      |       Open       |      Closed      |
   +------------------------------------------------------------+