HwMuseum | Index

MADGE NETWORKS, LTD.

STRAIGHT BLUE 16/4 ISA ADAPTER

NIC Type

Token Ring

Transfer Rate

4/16Mbps

Data Bus

8-bit ISA

Topology

Ring

Wiring Type

Shielded twisted pair

Boot ROM

Not available

BASE ADDRESS SELECT

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

»

CC000h

On

Off

Off

On

On

Off

 

DC000h

On

Off

On

On

On

Off

Note:Use address CC000h when the Straight blue is the primary or sole adapter, and address DC000h when the Straight blue is the alternate adapter.

DATA BUS TRANSFER RATE

Setting

SW1/12

»

4Mbps

Off

 

16Mbps

On

INTERRUPT SELECT

IRQ

SW1/7

SW1/8

»

IRQ2

Off

Off

 

IRQ3

Off

On

 

IRQ7

On

On

PRIMARY/ALTERNATE ADAPTER

Setting

SW1/9

»

Straight blue as primary LAN adapter

On

 

Straight blue as alternate LAN adapter

Off

SHARED RAM

Setting

SW1/10

SW1/11

»

16KB shared RAM

On

Off

 

8KB shared RAM

Off

Off

 

32KB shared RAM

Off

On

 

64KB shared RAM

On

On