DATAEXPERT CORPORATION

EXP4045

Processor

CX486M6/80486SX/CX486M7/AM486DX/80486DX/SL80486DX/AM486DX2/ 80486DX2/SL80486DX2/80486DX4/P24D/Pentium Overdrive

Processor Speed

25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Award

Dimensions

249mm x 218mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo LED

J5

Speaker

J2

External battery

JP40

Reset switch

J3

32-bit VESA local bus slots

SL1 - SL3

Turbo switch

J4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP5

N/A

»

Factory configured - do not alter

JP10

N/A

»

Factory configured - do not alter

JP11

N/A

»

Factory configured - do not alter

JP12

N/A

»

Factory configured - do not alter

JP13

N/A

»

Factory configured - do not alter

JP14

N/A

»

Factory configured - do not alter

JP15

N/A

»

Factory configured - do not alter

JP35

N/A

»

Factory configured - do not alter

JP37

N/A

»

Factory configured - do not alter

JP38

N/A

»

Monitor type select color

JP39

Closed

 

Monitor type select monochrome

JP39

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

NONE

(1) 2M x 36

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

NONE

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 32K x 8

256KB

(4) 32K x 8

(1) 32K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP1

JP2

JP3

JP4

128KB

Open

Open

pins 2 & 3 closed

pins 1 & 2 closed

256KB

pins 1 & 2 closed

Open

pins 2 & 3 closed

pins 2 & 3 closed

512KB

pins 2 & 3 closed

Closed

pins 1 & 2 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP6

JP16

JP17

JP19

JP20

CX486M6

2 & 3

2 & 3, 4 & 5

Open

2 & 3

Closed

80486SX

1 & 2

1 & 2

Open

1 & 2

Open

CX486M7

2 & 3

2 & 3, 4 & 5

Closed

2 & 3

Closed

AM486DX

1 & 2

1 & 2

Closed

1 & 2

Open

80486DX

1 & 2

1 & 2

Closed

1 & 2

Open

SL80486DX

1 & 2

1 & 2

Closed

1 & 2

Closed

AM486DX2

1 & 2

1 & 2

Closed

1 & 2

Open

80486DX2

1 & 2

1 & 2

Closed

1 & 2

Open

SL80486DX2

1 & 2

1 & 2

Closed

1 & 2

Closed

80486DX4

1 & 2

1 & 2

Closed

1 & 2

Closed

P24D

1 & 2

1 & 2, 3 & 4

Closed

1 & 2

Closed

P24T

1 & 2

1 & 2

Closed

1 & 2

Closed

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP21

JP22

JP23

JP24

JP25

CX486M6

2 & 3, 4 & 5

Closed

Open

Open

2 & 3, 4 & 5

80486SX

Open

Closed

Open

Open

1 & 2, 3 & 4

CX486M7

2 & 3, 4 & 5

Closed

Open

Open

2 & 3, 4 & 5

AM486DX

Open

Closed

Open

Open

1 & 2, 3 & 4

80486DX

Open

Closed

Open

Open

1 & 2, 3 & 4

SL80486DX

Open

Closed

Open

Open

1 & 2, 3 & 4

AM486DX2

Open

Closed

Open

Open

1 & 2, 3 & 4

80486DX2

Open

Closed

Open

Open

1 & 2, 3 & 4

SL80486DX2

Open

Closed

Open

Open

1 & 2, 3 & 4

80486DX4

Open

Closed

Open

Open

1 & 2, 3 & 4

P24D

Open

Open

1 & 2

1 & 2

1 & 2, 3 & 4

P24T

Open

Open

Open

Open

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP26

JP27

JP28

JP29

JP30

CX486M6

Open

Open

2 & 3

Open

Open

80486SX

Open

Open

2 & 3

Open

Open

CX486M7

Closed

Open

1 & 2

Closed

Closed

AM486DX

Closed

Open

1 & 2

Closed

Closed

80486DX

Closed

Open

1 & 2

Closed

Closed

SL80486DX

Closed

Open

1 & 2

Closed

Closed

AM486DX2

Closed

Open

1 & 2

Closed

Closed

80486DX2

Closed

Open

1 & 2

Closed

Closed

SL80486DX2

Closed

Open

1 & 2

Closed

Closed

80486DX4

Closed

Open

1 & 2

Closed

Closed

P24D

Closed

Open

1 & 2

Closed

Closed

P24T

Closed

1 & 2

1 & 2

Closed

Open

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP31

JP32

JP34

JP36

CX486M6

Open

Open

Closed

Closed

80486SX

Open

Open

Open

Open

CX486M7

Open

Open

Closed

Closed

AM486DX

Open

Open

Open

Open

80486DX

Open

Open

Open

Open

SL80486DX

Open

Open

Open

Closed

AM486DX2

Open

Open

Open

Open

80486DX2

Open

Open

Open

Open

SL80486DX2

Open

Open

Open

Closed

80486DX4

Open

Closed

Open

Closed

P24D

Open

Closed

Open

Closed

P24T

Open

Closed

Open

Closed

CPU SPEED CONFIGURATION

Speed

JP7

JP8

JP9

25MHz

Open

Open

Closed

33MHz

Closed

Closed

Closed

40MHz

Open

Closed

Closed

50iMHz

Open

Open

Closed

66iMHz

Closed

Closed

Closed

75iMHz

Open

Open

Closed

100iMHz

Closed

Closed

Closed

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP16

2x

pins 7 & 8 closed

2.5x

pins 8 & 9 closed

3x

Open

CPU VOLTAGE CONFIGURATION

Speed

JP18

JP33

3.3v

Open

Open

5v

Closed

Closed