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EXP3406

DATAEXPERT CORPORATION

EXP3406

Processor

80386DX/CX486DLC/80486SX/AMD80486DX/80486DX/80486DX2

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

230mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

CX487SLC/80387DX/CX487DLC

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo LED

J5

Speaker

J2

External battery

J6

Turbo switch

J3

32-bit VESA Local bus slot

SL1

Reset switch

J4

32-bit VESA Local bus slot

SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP1

Open

87DLC PQFP enabled

JP4

Open

 

87DLC PQFP disabled

JP4

Closed

Factory configured - do not alter

JP12

Open

Factory configured - do not alter

JP13

Open

Monitor type select color

JP21

Open

 

Monitor type select monochrome

JP21

Closed

Factory configured - do not alter

JP23

Unidentified

Battery type select - lithum discharge

JP26

pins 1 & 2 closed

 

Battery type select - NI-CAD recharge

JP26

pins 2 & 3 closed

New version 80486 DX50MHz

JP28

Closed

 

Old version 80486 DX50MHz

JP28

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

CACHE CONFIGURATION

Size

Bank 0

Bank 1

U18 (Tag)

U19 (Tag)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

NONE

128KB

(4) 32K x 8

NONE

(1) 8K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K x 8

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

NONE

CACHE JUMPER CONFIGURATION

Size

JP10

JP11

JP16

JP17

64KB

pins 2 & 3 closed

pins 2 & 3 closed

Open

Open

128KB

pins 1 & 2 closed

pins 1 & 2 closed

Closed

Open

256KB

pins 2 & 3 closed

pins 2 & 3 closed

Closed

Closed

CPU TYPE CONFIGURATION

Type

JP14

JP15

JP20

JP25

JP27

80386DX(PQFP)

Open

Open

2 & 3

1 & 2

1 & 2

80386DX(PGA)

Open

Closed

2 & 3

1 & 2

1 & 2

CX486DLC(PGA)

Open

Closed

2 & 3

1 & 2

1 & 2

80486(PQFP)

Closed

Open

1 & 2

2 & 3

2 & 3

80486(PGA)

Closed

Closed

1 & 2

2 & 3

2 & 3

Note:Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (INTEL 80486 CPU)

Type

JP2

JP18

JP19

80486SX(PQFP)

Open

Closed

pins 2 & 3 closed

80486SX(PGA)

Open

Open

pins 2 & 3 closed

80487SX

pins 2 & 3 closed

Closed

pins 1 & 2 closed

80486DX/DX2

pins 1 & 2 closed

Closed

pins 1 & 2 closed

Overdrive

pins 2 & 3 closed

Closed

pins 1 & 2 closed

CPU SPEED CONFIGURATION (INTEL 80386 & CX486DLC CPU)

CPU speed

JP6

JP7

JP8

JP9

JP22

33MHz

Closed

Closed

Open

2 & 3

Open

40MHz

Closed

Closed

Closed

2 & 3

Open

Note:Pins designated should be in the closed position.

CPU SPEED CONFIGURATION (INTEL 80486 CPU)

CPU speed

JP6

JP7

JP8

JP9

JP22

25MHz

Open

Open

Open

1 & 2

Closed

33MHz

Open

Open

Closed

1 & 2

Open

40MHz

Open

Closed

Closed

1 & 2

Open

50iMHz

Open

Open

Open

1 & 2

Closed

50MHz

Open

Closed

Open

1 & 2

Open

66iMHz

Open

Open

Closed

1 & 2

Open

Note:Pins designated should be in the closed position.

VESA CONFIGURATION

Type

JP24

Standard VESA VGA card in slot SL1

pins 2 & 3 closed

Other VESA card

pins 1 & 2 closed

Note:Other VESA card includes Western Digital VGA31 running at 50mhz, Tekram VESA cache IDE, or other special VESA card.