ISA/EISA, INC.

NIC-ware-486

Processor

80486DX

Processor Speed

25/33MHz

Chip Set

None

Max. Onboard DRAM

64MB

Cache

64/128/256/512KB

BIOS

AMI

Dimensions

349mm x 244mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo switch

JP2

Speaker

J3

Turbo LED

JP21

External battery

J4

POST LEDs (L1=MSB, L8=LSB)

L1-L8

Reset switch

JP1

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

External cache enabled

JP20

pins 2 & 3 closed

 

External cache disabled

JP20

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 1M x 9

(4) 256K x 9

NONE

NONE

6MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

NONE

7MB

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

NONE

10MB

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

(4) 256K x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

13MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 256K x 9

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

24MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

NONE

28MB

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

NONE

40MB

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

(4) 1M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

52MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 1M x 9

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

DRAM JUMPER CONFIGURATION

Size

J23

1MB

pins 1 & 2 closed

2MB

pins 1 & 2 closed

3MB

pins 1 & 2 closed

4MB

pins 1 & 2 closed

4MB

pins 1 & 2 closed

5MB

pins 1 & 2 closed

6MB

pins 1 & 2 closed

7MB

pins 1 & 2 closed

8MB

pins 1 & 2 closed

9MB

pins 1 & 2 closed

DRAM JUMPER CONFIGURATION (CON’T)

Size

J23

10MB

pins 1 & 2 closed

12MB

pins 1 & 2 closed

13MB

pins 1 & 2 closed

16MB

pins 2 & 3 closed

16MB

pins 2 & 3 closed

20MB

pins 2 & 3 closed

24MB

pins 2 & 3 closed

28MB

pins 2 & 3 closed

32MB

pins 2 & 3 closed

36MB

pins 2 & 3 closed

40MB

pins 2 & 3 closed

48MB

pins 2 & 3 closed

52MB

pins 2 & 3 closed

64MB

pins 2 & 3 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(8) 8K x 8

NONE

(1) 8K x 8

128KB

(8) 8K x 8

(8) 8K x 8

(1) 8K x 8

256KB

(8) 32K x 8

NONE

(1) 32K x 8

512KB

(8) 32K x 8

(8) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

JP8

JP9

JP10

JP11

JP12

JP13

JP14

JP15

64KB

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

128KB

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

256KB

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

512KB

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

AT BUS CLOCK CONFIGURATION

CPU Speed

Bus Speed

JP3

JP4

JP5

33MHz

16.5MHz (CPU/2)

Open

Open

Closed

33MHz

10MHz (Async)

Closed

Open

Open

33MHz

8.25MHz (CPU/4)

Open

Closed

Open

25MHz

12.5MHz (CPU/2)

Open

Open

Closed

25MHz

8MHz (Async)

Closed

Open

Open

25MHz

6.25 (CPU/4)

Open

Closed

Open