3COM CORPORATION

ETHERLINK II ADAPTER 7920-XX

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8-bit ISA

Topology

Linear Bus

Wiring Type

AUI Transceiver via DB-15 port

RG-58A/U 50ohm coaxial

Boot ROM

Available

BASE I/O ADDRESS SELECTION

Address

S2 pins 1 & 2

S2 pins 3 & 4

S2 pins 5 & 6

S2 pins 7 & 8

 

2EOh

Open

Open

Open

Open

 

2A0h

Open

Open

Open

Open

 

280h

Open

Open

Open

Open

 

250h

Open

Open

Open

Open

 

350h

Open

Open

Open

Closed

 

330h

Open

Open

Closed

Open

 

310h

Open

Closed

Open

Open

»

300h

Closed

Open

Open

Open

BASE I/O ADDRESS SELECTION

Address

S2 pins 9 & 10

S2 pins 11 & 12

S2 pins 13 & 14

S2 pins 15 & 16

 

2EOh

Open

Open

Open

Closed

 

2A0h

Open

Open

Closed

Open

 

280h

Open

Closed

Open

Open

 

250h

Closed

Open

Open

Open

 

350h

Open

Open

Open

Open

 

330h

Open

Open

Open

Open

 

310h

Open

Open

Open

Open

»

300h

Open

Open

Open

Open

BIOSADDRESS

Address

S1 pins 1 & 2

S1 pins 3 & 4

S1 pins 5 & 6

S1 pins 7 & 8

S1 pins 9 & 10

 

DC000h

Open

Open

Open

Open

Closed

 

D8000h

Open

Open

Open

Closed

Open

 

CC000h

Open

Open

Closed

Open

Open

 

C8000h

Open

Closed

Open

Open

Open

»

Disabled

Closed

Open

Open

Open

Open