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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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 |
+-------------------------------------------------------------+