INFORMTECH INTERNATIONAL, INC.
IT-NE20/IT-NE20T
NIC Type |
Ethernet |
Transfer Rate |
10Mbps |
Data Bus |
16-bit ISA |
Topology |
Linear Bus |
Wiring Type |
AUI transceiver via DB-15 port RG58A/U 50ohm coaxial Unshielded twisted pair |
Boot ROM |
Available |
INTERRUPT SELECT | |||||||
IRQ |
JP6/A |
JP6/B |
JP6/C |
JP6/D |
JP6/E |
JP6/F | |
|
Closed |
Open |
Open |
Open |
Open |
Open | |
IRQ3 |
Open |
Closed |
Open |
Open |
Open |
Open | |
IRQ4 |
Open |
Open |
Closed |
Open |
Open |
Open | |
IRQ5 |
Open |
Open |
Open |
Closed |
Open |
Open | |
IRQ6 |
Open |
Open |
Open |
Open |
Closed |
Open | |
IRQ7 |
Open |
Open |
Open |
Open |
Open |
Closed |
CABLE TYPE SELECT | ||||||
LAN Type |
JP9/A |
JP9/B |
JP9/C |
JP9/D |
JP9/E |
JP9/F |
AUI transceiver via DB-15 port |
All open |
All open |
All open |
All open |
All open |
All open |
RG58A/U 50ohm coaxial |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Pins 1 & 2 |
Unshielded twisted pair |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Pins 2 & 3 |
Note: All Pins designated should be placed in the closed position. IT-NE20 has a BNC connector, IT-NE20T has a RJ11. |
I/O BASE ADDRESS SELECT | ||||
Address |
JP7/A |
JP7/B |
JP7/C | |
300h |
Closed |
Open |
Closed | |
200h |
Open |
Open |
Open | |
240h |
Open |
Closed |
Open | |
280h |
Closed |
Closed |
Open | |
2A0h |
Open |
Open |
Closed | |
320h |
Closed |
Open |
Open | |
340h |
Open |
Closed |
Closed | |
360h |
Closed |
Closed |
Closed |
ROM ADDRESS SELECT | |||||||||
Address |
JP8/A |
JP8/B |
JP8/C |
JP8/D |
JP8/E |
JP8/F |
JP8/G |
JP8/H | |
C8000h |
Open |
Open |
Closed |
Open |
Open |
Open |
Open |
Open | |
C0000h |
Closed |
Open |
Open |
Open |
Open |
Open |
Open |
Open | |
C4000h |
Open |
Closed |
Open |
Open |
Open |
Open |
Open |
Open | |
CC000h |
Open |
Open |
Open |
Closed |
Open |
Open |
Open |
Open | |
D0000h |
Open |
Open |
Open |
Open |
Closed |
Open |
Open |
Open | |
D4000h |
Open |
Open |
Open |
Open |
Open |
Closed |
Open |
Open | |
D8000h |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |
Open | |
DC000h |
Open |
Open |
Open |
Open |
Open |
Open |
Open |
Closed |