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

   M5105

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | 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/20658-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 2-pin connector - drive active LED            |    CN1     |
   |-----------------------------------------------+------------|
   | 10-pin serial port 2 -internal                |    CN2     |
   |-----------------------------------------------+------------|
   | 10-pin serial port 1 -internal                |    CN3     |
   |-----------------------------------------------+------------|
   | Game port                                     |    CN4     |
   |-----------------------------------------------+------------|
   | 25-pin parallel port                          |    CN5     |
   |-----------------------------------------------+------------|
   | 40-pin IDE (AT) Interface connector           |    CN6     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    CN7     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Floppy drive enabled           |   JP6    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive disabled          |   JP6    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |   JP7    | Pins 1 & 2 |
   |   | alter                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Game port enabled              |   JP8    | Pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Game port disabled             |   JP8    | Pins 1 & 2 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT/Address    |        JP1         |        JP2         |
   |------------------+--------------------+--------------------|
   |>> |  LPT2/378h   | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT1/3BCh   | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT/Address    |        JP1         |        JP2         |
   |------------------+--------------------+--------------------|
   |    LPT1/278h     | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           PARALLEL PORT INTERRUPT SELECT - JP15            |
   |------------------------------------------------------------|
   |   IRQ    | Jumper  | Jumper  | Jumper  | Jumper  | Jumper  |
   |          |    A    |    B    |    C    |    D    |    E    |
   |----------+---------+---------+---------+---------+---------|
   |>> | IRQ7 |  Open   |  Open   |  Open   | Closed  |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ3 | Closed  |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ4 |  Open   | Closed  |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ5 |  Open   |  Open   | Closed  |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ9 |  Open   |  Open   |  Open   |  Open   | Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            SERIAL PORTS 1 &AMP; 2 ORDER SELECT             |
   |------------------------------------------------------------|
   |      CN2      |    CN3    |    JP3     |   JP4   |   JP5   |
   |---------------+-----------+------------+---------+---------|
   |>> |  Serial   |  Serial   | Pins 1 & 2 | Pins 1  | Pins 1  |
   |   |  port 1   |  port 2   |   closed   |   & 2   |   & 2   |
   |   |           |           |            | closed  | closed  |
   |---+-----------+-----------+------------+---------+---------|
   |   |  Serial   |  Serial   | Pins 1 & 2 | Pins 1  | Pins 2  |
   |   |  port 2   |  port 1   |   closed   |   & 2   |   & 3   |
   |   |           |           |            | closed  | closed  |
   |---+-----------+-----------+------------+---------+---------|
   |   |  Serial   | Disabled  | Pins 1 & 2 | Pins 2  | Pins 1  |
   |   |  port 1   |           |   closed   |   & 3   |   & 2   |
   |   |           |           |            | closed  | closed  |
   |---+-----------+-----------+------------+---------+---------|
   |   |  Serial   | Disabled  | Pins 1 & 2 | Pins 2  | Pins 2  |
   |   |  port 2   |           |   closed   |   & 3   |   & 3   |
   |   |           |           |            | closed  | closed  |
   |---+-----------+-----------+------------+---------+---------|
   |   | Disabled  |  Serial   | Pins 2 & 3 | Pins 1  | Pins 1  |
   |   |           |  port 2   |   closed   |   & 2   |   & 2   |
   |   |           |           |            | closed  | closed  |
   |---+-----------+-----------+------------+---------+---------|
   |   | Disabled  |  Serial   | Pins 2 & 3 | Pins 1  | Pins 2  |
   |   |           |  port 1   |   closed   |   & 2   |   & 3   |
   |   |           |           |            | closed  | closed  |
   |---+-----------+-----------+------------+---------+---------|
   |   | Disabled  | Disabled  | Pins 2 & 3 | Pins 2  | Pins 1  |
   |   |           |           |   closed   |   & 3   |   & 2   |
   |   |           |           |            | closed  | closed  |
   |---+-----------+-----------+------------+---------+---------|
   |   | Disabled  | Disabled  | Pins 2 & 3 | Pins 2  | Pins 2  |
   |   |           |           |   closed   |   & 3   |   & 3   |
   |   |           |           |            | closed  | closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           SERIAL PORTS 1 &AMP; 2 CONFIGURATIONS            |
   |------------------------------------------------------------|
   |  Port 1   | Port 2 |        JP9        |       JP12        |
   |-----------+--------+-------------------+-------------------|
   |>> | COM1  |  COM2  | Pins 1 & 2 closed | Pins 2 & 3 closed |
   |---+-------+--------+-------------------+-------------------|
   |   | COM1  |  COM4  | Pins 2 & 3 closed | Pins 1 & 2 closed |
   |---+-------+--------+-------------------+-------------------|
   |   | COM3  |  COM2  | Pins 1 & 2 closed | Pins 1 & 2 closed |
   |---+-------+--------+-------------------+-------------------|
   |   | COM3  |  COM4  | Pins 2 & 3 closed | Pins 1 & 2 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           SERIAL PORT 1 INTERRUPT SELECT - JP13            |
   |------------------------------------------------------------|
   |   IRQ    | Jumper  | Jumper  | Jumper  | Jumper  | Jumper  |
   |          |    A    |    B    |    C    |    D    |    E    |
   |----------+---------+---------+---------+---------+---------|
   |>> | IRQ4 |  Open   | Closed  |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ3 | Closed  |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ5 |  Open   |  Open   | Closed  |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ7 |  Open   |  Open   |  Open   | Closed  |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ9 |  Open   |  Open   |  Open   |  Open   | Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           SERIAL PORT 2 INTERRUPT SELECT - JP14            |
   |------------------------------------------------------------|
   |   IRQ    | Jumper  | Jumper  | Jumper  | Jumper  | Jumper  |
   |          |    A    |    B    |    C    |    D    |    E    |
   |----------+---------+---------+---------+---------+---------|
   |>> | IRQ3 | Closed  |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ4 |  Open   | Closed  |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ5 |  Open   |  Open   | Closed  |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ7 |  Open   |  Open   |  Open   | Closed  |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   | IRQ9 |  Open   |  Open   |  Open   |  Open   | Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          IDE PORT                          |
   |------------------------------------------------------------|
   |     Setting      |        JP10        |        JP11        |
   |------------------+--------------------+--------------------|
   |>> |   Enabled    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

                                                               .y