AMERICAN RESEARCH CORPORATION
ETHERFLEX 8B, PCN012
NIC Type | Ethernet |
Transfer Rate | 10Mbps |
Data Bus | 8-bit ISA |
Topology | Star Linear Bus |
Wiring Type | Unshielded twisted pair RG58A/U 50ohm coaxial AUI transceiver via DB-15 port |
Boot ROM | Available |

I/O BASE ADDRESS | ||||||
Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | |
200h | Off | On | On | On | On | |
220h | Off | On | On | On | Off | |
240h | Off | On | On | Off | On | |
260h | Off | On | On | Off | Off | |
280h | Off | On | Off | On | On | |
2A0h | Off | On | Off | On | Off | |
2C0h | Off | On | Off | Off | On | |
2E0h | Off | On | Off | Off | Off | |
| » | 300h | Off | Off | On | On | On |
320h | Off | Off | On | On | Off | |
340h | Off | Off | On | Off | On | |
360h | Off | Off | On | Off | Off | |
380h | Off | Off | Off | On | On | |
3A0h | Off | Off | Off | On | Off | |
3C0h | Off | Off | Off | Off | On | |
3E0h | Off | Off | Off | Off | Off | |
BOOT ROM | ||
Setting | SW1/6 | |
| » | Disabled | Off |
Enabled | On | |
BOOT ROM ADDRESS | |||||
Address | SW1/7 | SW1/8 | SW1/9 | SW1/10 | |
C0000h | On | On | On | On | |
C4000h | On | On | On | Off | |
C8000h | On | On | Off | On | |
CC000h | On | On | Off | Off | |
D0000h | On | Off | On | On | |
D4000h | On | Off | On | Off | |
D8000h | On | Off | Off | On | |
| » | DC000h | On | Off | Off | Off |
E0000h | Off | On | On | On | |
E4000h | Off | On | On | Off | |
E8000h | Off | On | Off | On | |
EC000h | Off | On | Off | Off | |
F0000h | Off | Off | On | On | |
F4000h | Off | Off | On | Off | |
F8000h | Off | Off | Off | On | |
FC000h | Off | Off | Off | Off | |
CABLE TYPE | |||
Type | JP3 - JP8 | JP10 & JP11 | |
| » | Unshielded twisted pair | Pins 1 & 2 Closed | Pins 2 & 3 Closed |
RG-58A/U 50ohm | Pins 2 & 3 Closed | Pins 1 & 2 Closed | |
DIX transceiver via DB-15 | Pins 2 & 3 Closed | Pins 2 & 3 Closed | |
DMA CHANNEL | |||||
Channel | JP9A | JP9B | JP9C | JP9D | |
| » | DMA1 | Open | Closed | Open | Closed |
DMA3 | Closed | Open | Closed | Open | |
INTERRUPT REQUEST | |||||
IRQ | JP9G | JP9H | JP9I | JP9J | |
| » | 2 | Open | Open | Open | Closed |
3 | Open | Open | Closed | Open | |
4 | Open | Closed | Open | Open | |
5 | Closed | Open | Open | Open | |
FACTORY CONFIGURED SETTING | |
Mode | Setting |
JP9E | Open |
JP9F | Open |