AURORA TECHNOLOGIES, INC.
=========================

   MM401A/MM401AX/MM401A+

   Card Type     Serial card                                      
   Chipset       Unidentified                                     
   Controller    
   I/O Options   Serial port (4) (Four DB-25 serial ports on      
                 external cable)                                  
   Maximum DRAM  N/A                                              

<gopher://bitreich.org/I/th99/i/A-B/51584-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |            Purpose            |          Location          |
   |-------------------------------+----------------------------|
   | 62-pin interface connector    |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                BOARD BASE ADDRESS SELECTION                |
   |------------------------------------------------------------|
   |   Address    |  SW1/1  | SW1/2  | SW1/3  | SW1/4  | SW1/5  |
   |--------------+---------+--------+--------+--------+--------|
   |>> |  E0000h  |   On    |   On   |   On   |  Off   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  EC000h  |   Off   |  Off   |   On   |  Off   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  E8000h  |   On    |  Off   |   On   |  Off   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  E4000h  |   Off   |   On   |   On   |  Off   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  DC000h  |   Off   |  Off   |  Off   |   On   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  D8000h  |   On    |  Off   |  Off   |   On   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  D4000h  |   Off   |   On   |  Off   |   On   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  D0000h  |   On    |   On   |  Off   |   On   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  CC000h  |   Off   |  Off   |   On   |   On   |  Off   |
   |---+----------+---------+--------+--------+--------+--------|
   |   |  C8000h  |   On    |  Off   |   On   |   On   |  Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                BOARD BASE ADDRESS SELECTION                |
   |------------------------------------------------------------|
   | Address  |  SW1/6  |  SW1/7  |  SW1/8  |  SW1/9  | SW1/10  |
   |----------+---------+---------+---------+---------+---------|
   |  EC000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  E8000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  E4000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  E0000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  DC000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  D8000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  D4000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  D0000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  CC000h  |   Off   |   On    |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   |  C8000h  |   Off   |   On    |   On    |   On    |   On    |
   +------------------------------------------------------------+

   +-------------------------------------------------------------+
   |                     INTERRUPT SELECTION                     |
   |-------------------------------------------------------------|
   |IRQ  |JP1/A |JP1/B |JP1/C |JP1/D |JP1/E |JP1/F |JP1/G |JP1/H |
   |-----+------+------+------+------+------+------+------+------|
   |>>|15 | Open | Open | Open | Open | Open | Open | Open |Closed|
   |-+---+------+------+------+------+------+------+------+------|
   | |2/9| Open | Open | Open |Closed| Open | Open | Open | Open |
   |-+---+------+------+------+------+------+------+------+------|
   | | 4 |Closed| Open | Open | Open | Open | Open | Open | Open |
   |-+---+------+------+------+------+------+------+------+------|
   | | 5 | Open |Closed| Open | Open | Open | Open | Open | Open |
   |-+---+------+------+------+------+------+------+------+------|
   | | 7 | Open | Open |Closed| Open | Open | Open | Open | Open |
   |-+---+------+------+------+------+------+------+------+------|
   | |10 | Open | Open | Open | Open |Closed| Open | Open | Open |
   |-+---+------+------+------+------+------+------+------+------|
   | |11 | Open | Open | Open | Open | Open |Closed| Open | Open |
   |-+---+------+------+------+------+------+------+------+------|
   | |12 | Open | Open | Open | Open | Open | Open |Closed| Open |
   +-------------------------------------------------------------+