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TOKEN-RING PC ADAPTER

IBM CORPORATION

TOKEN-RING PC ADAPTER

NIC Type

Token-Ring

Transfer Rate

4Mbps

Data Bus

8-bit ISA

Topology

Ring

Wiring Type

Shielded twisted pair

Boot ROM

Available

BOOT ROM ADDRESS SELECTION

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

CC00h

Off

On

On

Off

Off

On

 

A000h

On

Off

On

On

On

On

 

A400h

On

Off

On

On

Off

On

 

A800h

On

Off

On

Off

On

On

 

AC00h

On

Off

On

Off

Off

On

 

B000h

On

Off

Off

On

On

On

 

B400h

On

Off

Off

On

Off

On

 

B800h

On

Off

Off

Off

On

On

 

BC00h

On

Off

Off

Off

Off

On

 

C000h

Off

On

On

On

On

On

 

C400h

Off

On

On

On

Off

On

 

C800h

Off

On

On

Off

On

On

 

CE00h

Off

On

On

Off

Off

Off

 

D000h

Off

On

Off

On

On

On

 

D200h

Off

On

Off

On

On

Off

 

D400h

Off

On

Off

On

Off

On

 

D800h

Off

On

Off

Off

On

On

 

DC00h

Off

On

Off

Off

Off

On

 

E000h

Off

Off

On

On

On

On

 

E400h

Off

Off

On

On

Off

On

 

E800h

Off

Off

On

Off

On

On

 

EC00h

Off

Off

On

Off

Off

On

 

F000h

Off

Off

Off

On

On

On

INTERRUPT REQUEST SELECTION

IRQ

SW1/7

SW1/8

2

On

On

3

On

Off

7

Off

Off

I/O BASE ADDRESS SELECTION

I/O Address

SW2/1 - 8

A20h

Off

 

A24H

On

MISCELLANEOUS TECHNICAL NOTES

The boot ROM can only be used if the workstation operates at 6MHz or less, uses 1 wait state on the bus, and does not contain a hard disk.