NETWORK DEVELOPMENT CORPORATION

MEGANET MASTER BOARD

NIC Type

Device Network Architecture (DNA)

Transfer Rate

10Mbps

Data Bus

8-bit ISA

Topology

Linear bus

Wiring Type

Shielded twisted pair

Unshielded twisted pair (2 male DB-9 connectors)

Boot ROM

Not available

I/O BASE ADDRESS

Address

JP1A

JP1B

JP1C

»

2E0h

Open

Open

Open

 

2E2h

Open

Open

Closed

 

2E4h

Open

Closed

Open

 

2E6h

Open

Closed

Closed

 

2E8h

Closed

Open

Open

 

2EAh

Closed

Open

Closed

 

2ECh

Closed

Closed

Open

 

2EEh

Closed

Closed

Closed

INTERRUPT REQUEST

IRQ

JP2A

JP2B

JP2C

JP2D

 

2

Closed

Open

Open

Open

 

3

Open

Closed

Open

Open

 

4

Open

Open

Closed

Open

»

5

Open

Open

Open

Closed

 

Disabled

Pins one of JP2A & JP2B closed

SLOT EIGHT ENABLE

Setting

JP8

»

Disabled

Closed

 

Enabled

Open

Note:If the card is installed in slot 8 of an IBM XT or compatible this option must be enabled.