CABLETRON SYSTEMS, INC.
E2100 SERIES
NIC Type | Ethernet |
Transfer Rate | 10Mbps |
Data Bus | 16-bit ISA |
Topology | Star Linear Bus (Depending on the model) |
Wiring Type | Various (Depending on the model) |
Boot ROM | Available |

MISCELLANEOUS NOTES |
The jumper settings for the entire line of E2100 card are exactly the same. To save space we have only listed these settings once instead of including a table for each card. The only differences between the models are the wiring types and topologies. |
I/O BASE ADDRESS | ||
Address | JP1A | JP1B |
220 - 23Fh | Closed | Closed |
280 - 29Fh | Closed | Open |
300 - 31Fh | Open | Closed |
380 - 39Fh | Open | Open |
BOOT ROM ADDRESS AND INTERRUPT REQUEST | ||||
Address | IRQ | JP2A | JP2B | |
| » | Disabled | Software Select | Open | Open |
C0000h | IRQ3 | Closed | Closed | |
D0000h | IRQ5 | Open | Closed | |
E0000h | IRQ7 | Closed | Open | |

DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
LED1 | Green | Blinking | Data is being transmitted |
LED1 | Green | Off | Data is not being transmitted |
LED2 | Red | Blinking | Collision detected on network |
LED2 | Red | Off | Normal operation |
LED3 | Yellow | Blinking | Data is being received |
LED3 | Yellow | Off | Data is not being received |
LED4 | Green | On | Card is powered/Twisted pair network conneciton is good |
LED4 | Green | Off | Card is not powered/Twisted pair network conneciton is broken |
LED5 | Green | On | Lower twisted pair network conneciton is good |
LED5 | Green | Off | Lower twisted pair network conneciton is broken |
Note:On NICs that have twisted pair connectors LED 4 designates the state of the connection, while
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