ADVANCED MICROCOMPUTER SYSTEMS, INC.
====================================

   422/485PC-10/DB9

   Card Type               Serial card                            
   Chip Set                Unidentified                           
   Maximum Onboard Memory  N/A                                    
   I/O Options             Serial port                            
   Data Bus                16-bit ISA                             
   Floppy drives supported N/A                                    

<gopher://bitreich.org/I/th99/i/A-B/51819-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |           Function            |           Label            |
   |-------------------------------+----------------------------|
   | 9-pin serial port             |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT ADDRESS CONFIGURATION              |
   |------------------------------------------------------------|
   |     Setting     |   J7/A   |   J7/B   |   J7/C   |  J7/D   |
   |-----------------+----------+----------+----------+---------|
   |>> | COM1 (3F8h) |  Closed  |   Open   |   Open   |  Open   |
   |---+-------------+----------+----------+----------+---------|
   |   | COM2 (2F8h) |   Open   |  Closed  |   Open   |  Open   |
   |---+-------------+----------+----------+----------+---------|
   |   | COM3 (3E8h) |   Open   |   Open   |  Closed  |  Open   |
   |---+-------------+----------+----------+----------+---------|
   |   | COM4 (2E8h) |   Open   |   Open   |   Open   | Closed  |
   |---+-------------+----------+----------+----------+---------|
   |   |  Disabled   |   Open   |   Open   |   Open   |  Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |  IRQ  | SP1/A  | SP1/B  | SP1/C  | SP1/D  | SP1/E  | SP1/F |
   |-------+--------+--------+--------+--------+--------+-------|
   | | 2/9 | Closed |  Open  |  Open  |  Open  |  Open  | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | |  3  |  Open  | Closed |  Open  |  Open  |  Open  | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   |>>|  4  |  Open  |  Open  | Closed |  Open  |  Open  | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | |  5  |  Open  |  Open  |  Open  | Closed |  Open  | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | |  6  |  Open  |  Open  |  Open  |  Open  | Closed | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | |  7  |  Open  |  Open  |  Open  |  Open  |  Open  |Closed |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | | 10  |  Open  |  Open  |  Open  |  Open  |  Open  | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | | 11  |  Open  |  Open  |  Open  |  Open  |  Open  | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | | 12  |  Open  |  Open  |  Open  |  Open  |  Open  | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | | 14  |  Open  |  Open  |  Open  |  Open  |  Open  | Open  |
   |-+-----+--------+--------+--------+--------+--------+-------|
   | | 15  |  Open  |  Open  |  Open  |  Open  |  Open  | Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         SERIAL PORT 1 INTERRUPT SELECTION (CON'T)          |
   |------------------------------------------------------------|
   |   IRQ    |  SP1/G  |  SP1/H  |  SP1/I  |  SP1/J  |  SP1/K  |
   |----------+---------+---------+---------+---------+---------|
   |   | 2/9  |  Open   |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  3   |  Open   |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |>> |  4   |  Open   |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  5   |  Open   |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  6   |  Open   |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  7   |  Open   |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  10  | Closed  |  Open   |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  11  |  Open   | Closed  |  Open   |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  12  |  Open   |  Open   | Closed  |  Open   |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  14  |  Open   |  Open   |  Open   | Closed  |  Open   |
   |---+------+---------+---------+---------+---------+---------|
   |   |  15  |  Open   |  Open   |  Open   |  Open   | Closed  |
   +------------------------------------------------------------+