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NIC-2500

GVC TECHNOLOGIES, INC.

NIC-2500

NIC Type

Token Ring

Transfer Rate

4/16Mbps

Data Bus

16-bit ISA

Topology

Token Ring

Wiring Type

Unshielded twisted pair

Boot ROM

Available (in firmware)

BOOT ROM ADDRESS

Address

JP1A

JP1B

JP1C

JP1D

JP1E

JP1F

 

C0000-C1FFFh

Closed

Open

Open

Open

Open

Open

 

C2000-C3FFFh

Closed

Open

Open

Open

Open

Closed

 

C4000-C5FFFh

Closed

Open

Open

Open

Closed

Open

 

C6000-C7FFFh

Closed

Open

Open

Open

Closed

Closed

 

C8000-C9FFFh

Closed

Open

Open

Closed

Open

Open

 

CA000-CBFFFh

Closed

Open

Open

Closed

Open

Closed

CC000-CDFFFh

Closed

Open

Open

Closed

Closed

Open

 

CE000-CFFFFh

Closed

Open

Open

Closed

Closed

Closed

 

D0000-D1FFFh

Closed

Open

Closed

Open

Open

Open

DC000-DDFFFh

Closed

Open

Closed

Closed

Closed

Open

Note:CC000h or DC000h are the recommended default settings.

INTERRUPT REQUEST

IRQ

JP2A

JP2B

2/9

Open

Open

 

3

Open

Closed

 

6

Closed

Open

 

7

Closed

Closed

SHARED RAM CONFIGURATION

Size

JP2C

JP2D

 

8KB

Open

Open

16KB

Open

Closed

Note:This setting configures how much system memory the card will use.

NETWORK SPEED

Speed

JP2E

4Mbps

Open

16Mbps

Closed

Note:All cards on a segment must have this option set the same.

I/O BASE ADDRESS

Address

JP2F

A20h

Open

 

A24h

Closed