ZENITH DATA SYSTEMS
LN-90
| 
 NIC Type  | 
 Ethernet  | 
| 
 Transfer Rate  | 
 10Mbps  | 
| 
 Data Bus  | 
 8-bit ISA/16-bit ISA  | 
| 
 Topology  | 
 Linear Bus Star  | 
| 
 Wiring Type  | 
 RG-58A/U 50ohm coaxial AUI transceiver via DB-15 port  | 
| 
 Boot ROM  | 
 Not available  | 

| 
 CABLE TYPE  | 
|
| 
 Type  | 
 E3/A-G  | 
| 
 RG-58A/U 50ohm coaxial  | 
 Pins 1 & 2 closed  | 
| 
 AUI transceiver via DB-15 port  | 
 Pins 2 & 3 closed  | 
| 
 HEARTBEAT FUNCTION CONFIGURATION  | 
||
| 
 Mode  | 
 E6  | 
|
| 
 »  | 
 Heartbeat function enabled  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 Heartbeat function disabled  | 
 Pins 2 & 3 closed  | 
| 
 DATA TRANSFER SIZE SELECTION  | 
||
| 
 Size  | 
 E8  | 
|
| 
 »  | 
 16-bit  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 8-bit  | 
 Pins 2 & 3 closed  | 
| 
 INTERRUPT SELECTION  | 
|
| 
 IRQ  | 
 E1  | 
| 
 2/9  | 
 Pins 1 & 2 closed  | 
| 
 3  | 
 Pins 3 & 4 closed  | 
| 
 4  | 
 Pins 5 & 6 closed  | 
| 
 5  | 
 Pins 7 & 8 closed  | 
| 
 6  | 
 Pins 9 & 10 closed  | 
| 
 7  | 
 Pins 11 & 12 closed  | 
| 
 10  | 
 Pins 13 & 14 closed  | 
| 
 11  | 
 Pins 15 & 16 closed  | 
| 
 12  | 
 Pins 17 & 18 closed  | 
| 
 13  | 
 Pins 19 & 20 closed  | 
| 
 14  | 
 Pins 21 & 22 closed  | 
| 
 BASE I/O ADDRESS  | 
||
| 
 Address  | 
 E2  | 
|
| 
 »  | 
 220h  | 
 Pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 
  | 
 228h  | 
 Pins 1 & 2, 3 & 4, closed  | 
| 
 
  | 
 230h  | 
 Pins 1 & 2, 5 & 6 closed  | 
| 
 
  | 
 238h  | 
 Pins 1 & 2 closed  | 
| 
 
  | 
 240h  | 
 Pins 3 & 4, 5 & 6 closed  | 
| 
 
  | 
 248h  | 
 Pins 3 & 4 closed  | 
| 
 
  | 
 250h  | 
 Pins 5 & 6 closed  |