AURORA TECHNOLOGIES, INC.
MM401A/MM401AX/MM401A+
Card Type | Serial card |
Chipset Controller | Unidentified |
I/O Options | Serial port (4) (Four DB-25 serial ports on external cable) |
Maximum DRAM | N/A |

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 | |