...because we can't all be on the bleeding edge...





EXP8449

DATAEXPERT CORPORATION

EXP8449

Device Type

Mainboard

Processor

80486SX/SL80486SX/UMC U5/CX 486DX/AM486DX/80486DX/ SL80486DX/TI486DX2/AMD Plus/AM486DX2/AM 486DXL/80486DX2/ AM486DX4/80486DX4/P24D/P24T/CX 5X86

Processor Speed

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

Chip Set

ALI

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256/512KB

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

CN1

IDE interface LED

J2

Serial port 1

CN2

Reset switch

J3

Floppy drive interface

CN3

Turbo switch

J4

Parallel port

CN4

Turbo LED

J5

IDE interface 1

CN5

Power LED & keylock

J6

IDE interface 2

CN6

Speaker

J7

PS/2 mouse port

CN7

Green PC connector

JP15

External battery

J1

32-bit PCI slots

PC1 – PC3

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Battery type select external

J1

Closed

 

CMOS memory clear

J1

Pins 1 & 2 closed

»

Factory configured - do not alter

JP4

Unidentified

 

Parallel port IRQ select IRQ7

JP9

Pins 2 & 3 closed

 

Parallel port IRQ select IRQ5

JP9

Pins 1 & 2 closed

»

Factory configured - do not alter

JP14

Unidentified

»

Factory configured - do not alter

JP18

Unidentified

 

Flash BIOS voltage select 12v

JP21

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JP21

Pins 1 & 2 closed

»

Factory configured - do not alter

JP22

Unidentified

»

Factory configured - do not alter

JP41

Unidentified

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

None

None

None

6MB

(1) 512K x 36

(1) 1M x 36

None

None

8MB

(1) 2M x 36

None

None

None

8MB

(1) 1M x 36

(1) 1M x 36

None

None

12MB

(1) 2M x 36

(1) 1M x 36

None

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

12MB

(1) 1M x 36

(1) 2M x 36

None

None

16MB

(1) 4M x 36

None

None

None

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

DIMM/SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

18MB

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

None

20MB

(1) 4M x 36

(1) 1M x 36

None

None

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

None

22MB

(1) 4M x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

None

24MB

(1) 4M x 36

(1) 2M x 36

None

None

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

None

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 8M x 36

None

None

None

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

None

None

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

36MB

(1) 8M x 36

(1) 1M x 36

None

None

40MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

None

40MB

(1) 8M x 36

(1) 2M x 36

None

None

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

None

48MB

(1) 8M x 36

(1) 4M x 36

None

None

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

56MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

None

64MB

(1) 8M x 36

(1) 8M x 36

None

None

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

56MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

None

None

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

72MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

None

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

None

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

None

100MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

104MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

112MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

TAG

128KB (A)

None

None

(4) 32K x 8

(1) 8K x 8

128KB (B)

(1) 32K x 32

None

None

(1) 8K x 8

256KB (A)

None

None

(4) 64K x 8

(1) 16K/32K x 8

256KB (B)

(1) 32K x 32

None

(4) 32K x 8

(1) 16K/32K x 8

256KB (C)

(1) 32K x 32

(1) 32K x 32

None

(1) 16K/32K x 8

512KB

None

None

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP17

JP20

JP37

JP42

128KB (A)

Open

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

128KB (B)

Open

Open

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB (A)

Open

Closed

Pins 1 & 2 closed

Pins 2 & 3 closed

256KB (B)

Open

Closed

Pins 2 & 3 closed

Pins 2 & 3 closed

256KB (C)

Open

Closed

Pins 2 & 3 closed

Pins 2 & 3 closed

512KB

Closed

Closed

Pins 1 & 2 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

JP11

JP12

JP13

JP16

25MHz

Open

Open

Pins 2 & 3 closed

Open

33MHz

Closed

Closed

Pins 2 & 3 closed

Open

40MHz

Open

Closed

Pins 2 & 3 closed

Open

40MHz

Open

Closed

Pins 1 & 2 closed

Closed

50iMHz

Open

Open

Pins 2 & 3 closed

Open

50MHz

Closed

Open

Pins 1 & 2 closed

Closed

66iMHz

Closed

Closed

Pins 2 & 3 closed

Open

75iMHz

Open

Open

Pins 2 & 3 closed

Open

100iMHz

Closed

Closed

Pins 2 & 3 closed

Open

Note: Either setting may be used for 40MHz.

CPU TYPE SELECTION

Type

JP23

JP24

JP25

JP26

80486SX

Open

Open

1 & 2

1 & 2

SL80486SX

Open

Closed

1 & 2

1 & 2

UMC U5

Open

Open

1 & 2

1 & 2

CX 486DX

Open

Closed

1 & 2

2 & 3

AM486DX

Open

Open

1 & 2

2 & 3

80486DX

Open

Open

1 & 2

2 & 3

SL80486DX

Open

Closed

1 & 2

2 & 3

TI486DX2

Open

Closed

1 & 2

2 & 3

AMD Plus

1 & 2

Closed

2 & 3

2 & 3

AM486DX2

2 & 3

Open

1 & 2

2 & 3

AM 486DXL

Open

Open

1 & 2

2 & 3

80486DX2

Open

Open

1 & 2

2 & 3

AM486DX4

Open

Open

1 & 2

2 & 3

80486DX4

Open

Closed

1 & 2

2 & 3

P24D

1 & 2

Closed

2 & 3

2 & 3

P24T

Open

Closed

2 & 3

2 & 3

CX 5X86

1 & 2

Closed

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP27

JP30

JP31

JP32

80486SX

1 & 2

Open

Open

Open

SL80486SX

3 & 4

3 & 4

Open

Open

UMC U5

1 & 2

Open

Open

Open

CX 486DX

5 & 6

5 & 6

2 & 3

1 & 2

AM486DX

1 & 2

Open

2 & 3

Open

80486DX

1 & 2

Open

2 & 3

Open

SL80486DX

3 & 4

3 & 4

2 & 3

Open

TI486DX2

5 & 6

5 & 6

2 & 3

1 & 2

AMD Plus

3 & 4

3 & 4

2 & 3

2 & 3

AM486DX2

1 & 2

Open

2 & 3

Open

AM 486DXL

1 & 2

1 & 2

2 & 3

Open

80486DX2

1 & 2

Open

2 & 3

Open

AM486DX4

1 & 2

Open

2 & 3

Open

80486DX4

3 & 4

3 & 4

2 & 3

Open

P24D

3 & 4

3 & 4

2 & 3

2 & 3

P24T

3 & 4

3 & 4

1 & 2

Open

CX 5X86

3 & 4

3 & 4

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)

Type

JP33

JP35

JP36

80486SX

Open

Open

Open

SL80486SX

3 & 4

Open

Open

UMC U5

Open

Open

Open

CX 486DX

5 & 6

Open

Open

AM486DX

Open

Open

Open

80486DX

Open

Open

Open

SL80486DX

3 & 4

Open

Open

TI486DX2

5 & 6

Open

Open

AMD Plus

3 & 4

Open

Open

AM486DX2

Open

Open

Open

AM 486DXL

1 & 2

Open

Open

80486DX2

Open

Open

Open

AM486DX4

Open

Open

Open

80486DX4

3 & 4

Open

Open

P24D

3 & 4

Open

Open

P24T

3 & 4

Open

Open

CX 5X86

3 & 4

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP28

JP29

JP34

3.45v

Pins 2 & 3 closed

Pins 3 & 4 closed

Pins 2 & 3 closed

3.6v

Pins 2 & 3 closed

Pins 5 & 6 closed

Pins 2 & 3 closed

4v

Pins 2 & 3 closed

Pins 1 & 2 closed

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

Open

Pins 1 & 2 closed

DMA CHANNEL SELECTION

Channel

JP5

JP6

1

Pins 1 & 2 closed

Pins 1 & 2 closed

3

Pins 2 & 3 closed

Pins 2 & 3 closed

INTERNAL KEYBOARD SELECTION

Setting

JP19

JP39

JP40

»

Enabled

Open

Closed

Closed

 

Disabled

Closed

Open

Open