UNIDENTIFIED

POWERSPEC (VER. 2)

Processor

CX486S/80486SX/ODP486SX/80486DX/80486DX2/ODP486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

64MB

Maximum Video Memory

None

Cache

32/64/128/256KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JP21

Turbo switch

JP25

Power LED & keylock

JP22

Reset switch

JP26

Speaker

JP23

32-bit VESA local bus slots

SL1 – SL3

Turbo LED

JP24

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Battery type select internal

JP1

Closed

 

Battery type select external

JP1

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

None

None

2MB

(4) 256K x 9

(1) 256K x 36

None

2MB

(4) 256K x 9

None

(1) 256K x 36

2MB

None

(1) 256K x 36

(1) 256K x 36

2MB

None

(1) 512K x 36

None

3MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

3MB

(4) 256K x 9

(1) 512K x 36

None

3MB

None

(1) 512K x 36

(1) 256K x 36

4MB

(4) 1M x 9

None

None

4MB

None

(1) 512K x 36

(1) 512K x 36

5MB

(4) 1M x 9

(1) 256K x 36

None

5MB

None

(1) 1M x 36

(1) 256K x 36

5MB

(4) 256K x 9

None

(1) 1M x 36

6MB

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 1M x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

6MB

None

(1) 512K x 36

(1) 1M x 36

7MB

(4) 1M x 9

(1) 512K x 36

(1) 256K x 36

8MB

(4) 1M x 9

(1) 1M x 36

None

8MB

None

(1) 1M x 36

(1) 1M x 36

9MB

(4) 1M x 9

(1) 1M x 36

(1) 256K x 36

9MB

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

10MB

(4) 1M x 9

(1) 512K x 36

(1) 1M x 36

12MB

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

12MB

(4) 1M x 9

(1) 2M x 36

None

12MB

None

(1) 2M x 36

(1) 1M x 36

13MB

(4) 256K x 9

(1) 2M x 36

(1) 1M x 36

13MB

(4) 1M x 9

(1) 2M x 36

(1) 256K x 36

16MB

(4) 4M x 9

None

None

16MB

(4) 1M x 9

(1) 2M x 36

(1) 1M x 36

16MB

None

(1) 2M x 36

(1) 2M x 36

17MB

(4) 4M x 9

(1) 256K x 36

None

17MB

(4) 256K x 9

None

(1) 4M x 36

18MB

(4) 4M x 9

(1) 256K x 36

(1) 256K x 36

18MB

(4) 256K x 9

(1) 4M x 36

(1) 256K x 36

19MB

(4) 4M x 9

(1) 512K x 36

(1) 256K x 36

20MB

(4) 4M x 9

(1) 1M x 36

None

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

20MB

(4) 1M x 9

None

(1) 4M x 36

21MB

(4) 256K x 9

(1) 4M x 36

(1) 1M x 36

21MB

(4) 1M x 9

(1) 256K x 36

(1) 4M x 36

21MB

(4) 4M x 9

(1) 256K x 36

(1) 1M x 36

22MB

(4) 4M x 9

(1) 512K x 36

(1) 1M x 36

24MB

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

24MB

(4) 1M x 9

(1) 4M x 36

(1) 1M x 36

24MB

None

(1) 2M x 36

(1) 4M x 36

25MB

(4) 256K x 9

(1) 2M x 36

(1) 4M x 36

25MB

(4) 4M x 9

(1) 2M x 36

(1) 256K x 36

28MB

(4) 4M x 9

(1) 2M x 36

(1) 1M x 36

28MB

(4) 1M x 9

(1) 2M x 36

(1) 4M x 36

32MB

(4) 4M x 9

(1) 4M x 36

None

32MB

None

(1) 4M x 36

(1) 4M x 36

33MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

33MB

(4) 4M x 9

(1) 4M x 36

(1) 256K x 36

34MB

(4) 4M x 9

(1) 512K x 36

(1) 4M x 36

36MB

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

36MB

(4) 4M x 9

(1) 4M x 36

(1) 1M x 36

40MB

(4) 4M x 9

(1) 2M x 36

(1) 4M x 36

48MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

64MB

(4) 16M x 9

None

None

Note: Banks 1 & 2 are interchangeable.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

32KB

(4) 8K x 8

None

(1) 8K x 8

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

None

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 16K/32K x 8

CACHE JUMPER CONFIGURATION

Size

JP15

JP16

JP17

JP19

JP20

32KB

2 & 3

Open

Open

Open

Open

64KB

1 & 2

Open

Open

Closed

Open

128KB

2 & 3

2 & 3

Closed

Closed

Open

256KB

1 & 2

1 & 2

Closed

Closed

Closed

Note: Pins designated should be in the closed position.

CACHE TAG CONFIGURATION

Size

JP27

8K x 8

Pins 1 & 2 closed

16K x 8

Pins 2 & 3 closed

32K x 8

Pins 1 & 2 closed

CPU SPEED SELECTION

Speed

JP2

JP3

JP4

JP7

JP18

20MHz

Open

Open

Open

1 & 2

Open

25MHz

Closed

Open

Open

1 & 2

Open

33MHz

Closed

Closed

Closed

1 & 2

Open

40MHz

Closed

Closed

Open

2 & 3

Closed

50iMHz

Closed

Open

Open

1 & 2

Open

50MHz

Open

Open

Closed

2 & 3

Closed

66iMHz

Closed

Closed

Closed

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP6

JP9

JP11

JP12

JP14

CX486S

Open

Open

2 & 3

2 & 3

Open

CX486S+CX83D87

1 & 2

1 & 2

1 & 2, 3 & 4

1 & 2

2 & 3

80486SX

Open

Open

2 & 3

2 & 3

Open

ODP486SX

Open

2 & 3

1 & 2, 3 & 4

2 & 3

Open

80486DX

Open

1 & 2

1 & 2, 3 & 4

2 & 3

Open

80486DX2

Open

1 & 2

1 & 2, 3 & 4

2 & 3

Open

ODP486DX2

Open

2 & 3

1 & 2, 3 & 4

2 & 3

Open

Note: Pins designated should be in the closed position.