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Smart AT Ringnode

MADGE NETWORKS, LTD.

Smart AT Ringnode

NIC Type

Token-Ring

Transfer Rate

4Mbps

Data Bus

16-bit ISA

Topology

Ring

Wiring Type

Shielded/Unshielded twisted pair

Boot ROM

Available

INTERRUPT REQUEST

IRQ

SW1

 

2/9

Position 8

3

Position 7

 

5

Position 6

 

7

Position 5

 

10

Position 4

 

11

Position 3

 

12

Position 2

 

15

Position 1

BASE I/O AND BOOT ROM ADDRESS

Address

Boot ROM Address

SW2/1

SW2/2

0A20-0A2Fh

CC000-CDFFFh

On

On

 

1A20-1A2Fh

DC000-DDFFFh

Off

On

 

2A20-2A2Fh

CE000-CFFFFh

On

Off

 

3A20-3A2Fh

DE000-DFFFFh

Off

Off

BOOT ROM

Setting

SW2/3

Disabled

Off

 

Enabled

On

BUS MASTER DMA

Setting

SW2/4

Enabled

On

 

Disabled

Off

Note: This switch has no effect on the NIC if it is installed in an 8-bit slot.

EXPANSION SLOT SIZE

Slot Size

SW2/5

Automatic select

On

 

Forced 8-bit mode

Off

Note: If an 8-bit transfer mode is required and the NIC is installed in a 16-bit slot, use forced 8-bit mode. If the NIC is to be used in a Novell Netware 386 file server, automatic select must be used.

COMPATIBILITY MODE

Setting

SW2/6

Normal ISA bus timing

On

 

Alternate ISA bus timing

Off

Note: Alternate ISA bus timing is used if the host computer is not 100% ISA bus compatible (such as the IBM PS/2 model 30-286) or if the Madge Ringnode diagnostics program fails to locate the NIC.

DMA CHANNEL BUS

Setting

SW2/7

Asynchronous bus (uses host system's clock)

On

 

Synchronous bus (uses NIC on-board clock)

Off

Note: Synchronous bus is used for systems that have a clock speed less than 10MHz.

DMA CHANNEL

Channel

SW3

DMA1

Position 1

DMA3

Position 2

DMA5

Position 3

DMA6

Position 4

CABLE TYPE

Type

SW4

Shielded twisted pair (DB-9 connector)

Position 1

Shielded/Unshielded twisted pair (RJ-45 jack)

Position 2

FACTORY CONFIGURED SETTINGS

Jumper

Setting

SW2/8

On