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  |