DATAEXPERT CORPORATION

EXP4349

Device Type

Mainboard

Processor

80386DX/AM386DX/CX486S/80486SX/CX486DLC/TI486DLC/

CX486DX/SL80486DX/80486DX/SL80486DX2/P24T

Processor Speed

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

Chip Set

Unidentified

Maximum Onboard Memory

64MB

Cache

64/128/256/512KB

BIOS

Award, Phoenix

Dimensions

254mm x 218mm

I/O Options

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

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo switch

J5

Speaker

J2

External battery

J6

Reset switch

J3

Green PC connector

JP36

Turbo LED

J4

32-bit VESA local bus slots

SL1 – SL3

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Monitor type select color

JP40

Closed

 

Monitor type select monochrome

JP40

Open

 

Battery type select lithium

JP45

Pins 2 & 3 closed

 

Battery type select Ni-CD

JP45

Pins 1 & 2 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

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

2MB

None

(1) 512K x 36

None

4MB

(4) 1M x 9

None

None

4MB

None

(1) 1M x 36

None

4MB

(4) 1M x 9

None

None

4MB

None

(1) 512K x 36

(1) 512K x 36

5MB

(4) 256K x 9

None

(1) 1M x 36

5MB

None

(1) 256K x 36

(1) 1M x 36

8MB

(4) 1M x 9

None

(1) 1M x 36

8MB

None

(1) 1M x 36

(1) 1M x 36

8MB

None

(1) 2M x 36

None

8MB

None

(1) 2M x 36

None

10MB

None

(1) 512K x 36

(1) 2M x 36

16MB

(4) 4M x 9

None

None

16MB

None

None

(1) 4M x 36

16MB

(4) 4M x 9

None

None

16MB

None

(1) 2M x 36

(1) 2M x 36

17MB

(4) 256K x 9

None

(1) 4M x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

17MB

None

(1) 256K x 36

(1) 4M x 36

20MB

(4) 1M x 9

None

(1) 4M x 36

20MB

None

(1) 1M x 36

(1) 4M x 36

32MB

(4) 4M x 9

None

(1) 4M x 36

32MB

None

(1) 4M x 36

(1) 4M x 36

32MB

None

(1) 8M x 36

None

64MB

(4) 16M x 9

None

None

64MB

None

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

None

(1) 8K x 8

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB (B)

(4) 64K x 8

None

(1) 32K x 8

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP22

JP33

64KB

Pins 5 & 6 closed

Pins 1 & 2 closed

128KB

Pins 2 & 3, 4 & 5, 6 & 7 closed

Pins 1 & 2, 3 & 4 closed

256KB (A)

Pins 1 & 2, 3 & 4, 5 & 6 closed

Pins 1 & 2, 3 & 4 closed

256KB (B)

Pins 2 & 3, 4 & 5, 6 & 7 closed

Pins 1 & 2, 3 & 4 closed

512KB

Pins 2 & 3, 4 & 5, 6 & 7 closed

Pins 1 & 2, 3 & 4, 5 & 6 closed

CPU SPEED SELECTION

Speed

JP23

JP38

JP39

25MHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2, 5 & 6 closed

33MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2, 3 & 4 closed

40MHz (386)

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 5 & 6 closed

40MHz (486)

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 3 & 4, 5 & 6 closed

50iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 1 & 2, 5 & 6 closed

50MHz

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2, 5 & 6 closed

66iMHz

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2, 3 & 4 closed

66iMHz

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 5 & 6 closed

100iMHz

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2, 3 & 4 closed

CPU TYPE SELECTION

Type

JP5

JP7

JP10

JP11

80386DX

1 & 2

2 & 3

Open

Open

AM386DX

1 & 2

2 & 3

Open

Open

CX486S

2 & 3

1 & 2

2 & 4

2 & 3

80486SX

2 & 3

1 & 2

Open

Open

CX486DLC

1 & 2

2 & 3

Open

Open

TI486DLC

1 & 2

2 & 3

Open

Open

CX486DX

2 & 3

1 & 2

2 & 4

2 & 3

SL80486DX

2 & 3

1 & 2

4 & 5

1 & 2

80486DX

2 & 3

1 & 2

Open

Open

SL80486DX2

2 & 3

1 & 2

4 & 5

1 & 2

P24T

2 & 3

1 & 2

4 & 5

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP12

JP13

JP14

JP15

JP16

80386DX

2 & 3

Open

2 & 3

Open

Open

AM386DX

2 & 3

Open

2 & 3

Open

Open

CX486S

1 & 2

2 & 3

1 & 2

2 & 4

Closed

80486SX

1 & 2

2 & 3

1 & 2

Open

Open

CX486DLC

2 & 3

Open

2 & 3

Open

Open

TI486DLC

2 & 3

Open

2 & 3

Open

Open

CX486DX

1 & 2

2 & 3

1 & 2

2 & 4

Closed

SL80486DX

1 & 2

2 & 3

1 & 2

2 & 3

Open

80486DX

1 & 2

2 & 3

1 & 2

Open

Open

SL80486DX2

1 & 2

2 & 3

1 & 2

2 & 3

Open

P24T

1 & 2

1 & 2

1 & 2

2 & 3

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP17

JP18

JP19

JP20

JP21

80386DX

Open

Open

Open

Open

Open

AM386DX

Open

Open

Open

Open

Open

CX486S

Open

Open

1 & 2

Open

Open

80486SX

Closed

Open

1 & 2

Open

Open

CX486DLC

Open

Open

Open

Open

Open

TI486DLC

Open

Open

Open

Open

Open

CX486DX

Open

2 & 3

2 & 3

Open

Closed

SL80486DX

Closed

2 & 3

2 & 3

Open

Closed

80486DX

Closed

2 & 3

2 & 3

Open

Closed

SL80486DX2

Closed

2 & 3

2 & 3

Open

Closed

P24T

Closed

1 & 2

2 & 3

Open

Closed

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP24

JP25

JP26

JP27

JP29

80386DX

2 & 3

2 & 3

2 & 3

2 & 3

Closed

AM386DX

2 & 3

2 & 3

2 & 3

2 & 3

Closed

CX486S

1 & 2

1 & 2

1 & 2

1 & 2

Closed

80486SX

1 & 2

1 & 2

1 & 2

2 & 3

Open

CX486DLC

2 & 3

2 & 3

2 & 3

2 & 3

Closed

TI486DLC

2 & 3

2 & 3

2 & 3

2 & 3

Closed

CX486DX

1 & 2

1 & 2

1 & 2

1 & 2

Open

SL80486DX

1 & 2

1 & 2

1 & 2

1 & 2

Open

80486DX

1 & 2

1 & 2

1 & 2

2 & 3

Open

SL80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

Open

P24T

1 & 2

1 & 2

1 & 2

2 & 3

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP30

JP31

JP46

JP47

80386DX

Closed

Open

Open

Open

AM386DX

Closed

Open

Open

Open

CX486S

Open

Closed

Closed

Open

80486SX

Open

Open

Open

1 & 2

CX486DLC

Closed

Closed

Open

Open

TI486DLC

Closed

Closed

Open

Open

CX486DX

Open

Closed

Closed

Open

SL80486DX

Open

Open

Open

1 & 2

80486DX

Open

Open

Open

1 & 2

SL80486DX2

Open

Open

Open

1 & 2

P24T

Closed

Open

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP48

JP49

JP53

80386DX

Open

Closed

1 & 2

AM386DX

Open

Closed

1 & 2

CX486S

1 & 2

Open

2 & 3

80486SX

1 & 2

Open

2 & 3

CX486DLC

Open

Closed

2 & 3

TI486DLC

Open

Closed

2 & 3

CX486DX

1 & 2

Open

2 & 3

SL80486DX

1 & 2

Open

2 & 3

80486DX

1 & 2

Open

2 & 3

SL80486DX2

1 & 2

Open

2 & 3

P24T

1 & 2

Open

2 & 3

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP50

JP51

JP52

3.3v

Pins 1 & 2 closed

Open

Closed

5v

Pins 2 & 3 closed

Closed

Open