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