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UNIVERSAL SERIES ENET/U (REV. C2)

COMPEX, INC.

UNIVERSAL SERIES ENET/U (REV. C2)

NIC Type

Ethernet

Transfer Rate

10Mbps

Data Bus

8-bit ISA

Topology

Linear Bus

Wiring Type

RG58A/U 50ohm coaxial

AUI transceiver via DB-15 port

Boot ROM

Available

CABLE TYPE

Type

JP1A - JP1G

RG58A/U 50ohm

Pins 1 & 2 Closed

 

AUI transceiver via DB-15 port

Pins 2 & 3 Closed

SEGMENT LENGTH

Length

JP4

185 Meters

Closed

 

300 Meters

Open

Note:All cards in a network section must have the same segment length selected.

ETHERNET VERSION SELECT

Type

JP5

Ethernet version 2, IEEE802.3

Open

 

Ethernet version 1

Closed

Note:Most modern Ethernet installations use Version 2.

INTERRUPT REQUEST

IRQ

JP6A

JP6B

JP6C

JP6D

JP6E

 

2

Closed

Open

Open

Open

Open

3

Open

Closed

Open

Open

Open

 

4

Open

Open

Closed

Open

Open

 

5

Open

Open

Open

Closed

Open

 

7

Open

Open

Open

Open

Closed

BOOT ROM

Setting

JP8

Disabled

Open

 

Enabled

Closed

I/O BASE ADDRESS

Address

JP9/A

JP9/B

JP9/C

JP9/D

 

200h

Closed

Closed

Closed

Closed

 

220h

Closed

Closed

Closed

Open

 

240h

Closed

Closed

Open

Closed

 

260h

Closed

Closed

Open

Open

280h

Closed

Open

Closed

Closed

 

2A0h

Closed

Open

Closed

Open

 

2C0h

Closed

Open

Open

Closed

 

2E0h

Closed

Open

Open

Open

 

300h

Open

Closed

Closed

Closed

 

320h

Open

Closed

Closed

Open

 

340h

Open

Closed

Open

Closed

 

360h

Open

Closed

Open

Open

 

380h

Open

Open

Closed

Closed

 

3A0h

Open

Open

Closed

Open

 

3C0h

Open

Open

Open

Closed

 

3E0h

Open

Open

Open

Open

Note:Address 300h is the factory suggested default for the NE1000 mode.

BOOT ROM ADDRESS

Address

JP10A

JP10B

JP10C

JP10D

JP10E

JP10F

 

C0000h

Open

Closed

Closed

Closed

Closed

Closed

 

C2000h

Open

Closed

Closed

Closed

Closed

Open

 

C4000h

Open

Closed

Closed

Closed

Open

Closed

 

C6000h

Open

Closed

Closed

Closed

Open

Open

 

C8000h

Open

Closed

Closed

Open

Closed

Closed

 

CA000h

Open

Closed

Closed

Open

Closed

Open

 

CC000h

Open

Closed

Closed

Open

Open

Closed

 

CE000h

Open

Closed

Closed

Open

Open

Open

 

D0000h

Open

Closed

Open

Closed

Closed

Closed

D2000h

Open

Closed

Open

Closed

Closed

Open

 

D4000h

Open

Closed

Open

Closed

Open

Closed

 

D6000h

Open

Closed

Open

Closed

Open

Open

 

D8000h

Open

Closed

Open

Open

Closed

Closed

 

DA000h

Open

Closed

Open

Open

Closed

Open

 

DC000h

Open

Closed

Open

Open

Open

Closed

 

DE000h

Open

Closed

Open

Open

Open

Open

Note:Address C8000h is the factory suggested default in the NE1000 mode.

DRIVER COMPATIBILITY MODE

Mode

Driver

JP11

WD mode

ENETCPX, WD8003, or WDPLUS

Closed

 

NE1000 mode

NE1000

Open

MEMORY WAIT STATE

Setting

JP7

4 wait states

Open

 

2 wait states

Closed

Note:Use two wait states when using the NIC in a 6MHz or slower PC and on-board SRAM is 35ns.

I/O WAIT STATE

Setting

JP12

4 wait states

Closed

 

2 wait states

Open

CONNECTORS

Setting

Location

Network activity LED

JP13

COMPUTER TYPE

Type

JP14

AT

Closed

 

XT

Open