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ALI-1429G(EXP4049) Motherboard Settings and Configuration






DATAEXPERT CORPORATION

ALI-1429G(EXP4049)

Processor

CXM6/80486SXSL/80486SX/80487SX/CXM7/AMD486DX/AMD486DXL

80486DX/AMD486DX2/80486DX2SL/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

ALI

Max. Onboard DRAM

80MB

Cache

32/64/128/256/512KB

BIOS

AMI

Dimensions

230mm x 218mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J1

Turbo LED

J4

Speaker

J2

Turbo switch

J5

Reset switch

J3

32-bit VESA Local bus slots

SL 1, 2, 3

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

CMOS normal operation

J6

pins 2 & 3 closed

 

CMOS memory clear

J6

pins 1 & 2 closed

»

Factory configured - do not alter

JP3

pins 1 & 2 closed

»

Factory configured - do not alter

JP4

pins 1 & 2 closed

»

CPU installed other than INTEL-S CPU

JP11

Open

 

INTEL-S CPU installed

JP11

Closed

»

486 PQFP CPU disabled

JP16

Closed

 

486 PQFP CPU enabled

JP16

Open

 

Green control connector standby mode

JP20

pins 1 & 3 closed

 

Green control connector suspend mode

JP20

pins 5 & 7 closed

»

Factory configured - do not alter

JP23

N/A

»

Monitor type select color

JP29

Open

 

Monitor type select monochrome

JP29

Closed

»

Modem ring connector disabled

JP32

Open

 

Modem ring connector enabled

JP32

pins 1 & 2 closed

»

Green wake-up connector disabled

JP33

Open

 

Green wake-up connector enabled

JP33

pins 1 & 2 closed

»

Lithium battery enabled

JP41

pins 2 & 3 closed

 

Ni-Cad battery enabled

JP41

pins 1 & 2 closed

»

VESA bus cycle with 1 wait state

JP42

pins 2 & 3 closed

 

VESA bus cycle with 0 wait state

JP42

pins 1 & 2 closed

»

Control green VGA H-sync connector enabled (U31 removed)

JP43

Closed

 

Control green VGA H-sync connector disabled

JP43

Open

»

Factory configured - do not alter

JP44

Open

»

Control green VGA V-sync connector enabled (U31 removed)

JP45

Closed

 

Control green VGA V-sync connector disabled

JP45

Open

»

Factory configured - do not alter

JP46

pins 1 & 2 closed

»

Use 74F244 TTL

JP47

pins 2 & 3 closed

 

Use 74F245 TTL

JP47

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 0/1

Bank 1

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

2MB

(4) 256K x 9

NONE

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

5MB

(4) 256K x 9

NONE

(1) 1M x 36

8MB

(4) 1M x 9

NONE

(1) 1M x 36

8MB

NONE

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 4M x 36

NONE

DRAM CONFIGURATION

Size

Bank 0

Bank 0/1

Bank 1

20MB

(4) 4M x 9

NONE

(4) 1M x 36

20MB

NONE

(1) 4M x 36

(4) 1M x 36

32MB

NONE

(1) 4M x 36

(1) 4M x 36

32MB

(4) 4M x 9

(1) 4M x 36

NONE

64MB

(4) 16M x 9

NONE

NONE

68MB

(4) 16M x 9

NONE

(1) 1M x 36

80MB

(4) 16M x 9

NONE

(1) 4M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

 

32KB

(4) 8K x 8

NONE

(1) 8K x 8

 

64KB

(4) 16K 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) 64K x 8

NONE

(1) 16K x 8

 

256KB

(4) 32K x 8

(4) 32K x 8

(1) 16K x 8 / (1) 32K x 8

 

512KB

(4) 128K x 8

NONE

(1) 32K x 8

CACHE CONFIGURATION

Size

JP17

JP22

 

32KB

pins 6 & 7 closed

Open

 

64KB

pins 4 & 5, 6 & 7

pins 1 & 2 closed

 

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

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

pins 1 & 2, 3 & 4 closed

»

256KB

pins 1 & 2, 3 & 4, 5 & 6 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 TYPE CONFIGURATION

Type

JP5

JP6

JP7

JP8

JP9

CXM6

Open

Closed

pins 2 & 3

pins 2 & 4

Open

80486SXSL

Open

Open

pins 1 & 2

pins 1 & 2

Closed

80486SX

Open

Open

pins 2 & 3

Open

Closed

80487SX

pins 1 & 2

Open

pins 2 & 3

Open

Closed

CXM7

pins 2 & 3

Closed

pins 2 & 3

pins 2 & 4

Open

AMD DXL

pins 2 & 3

Open

pins 2 & 3

pins 2 & 3

Closed

80486DX

pins 2 & 3

Open

pins 2 & 3

Open

Closed

80486DX2SL

pins 2 & 3

Open

pins 1 & 2

pins 1 & 2

Closed

P24T

pins 1 & 2

Open

pins 1 & 2

pins 1 & 2

Closed

CPU TYPE CONFIGURATION (CONTINUED)

Type

JP10

JP14

JP15

JP18

JP34

CXM6

pins 2 & 4

pins 1 &2

Open

pins 2 & 3

pins 1 & 2

80486SXSL

pins 2 & 3

pins 1 & 2

Closed

pins 2 & 3

pins 2 & 3

80486SX

Open

pins 1 & 2

Open

pins 2 & 3

Open

80487SX

Open

pins 2 & 3

Closed

pins 2 & 3

Open

CXM7

pins 2 & 4

pins 2 & 3

Closed

pins 2 & 3

pins 1 & 2

AMD DXL

pins 1 & 2

pins 2 & 3

Closed

pins 2 & 3

Open

80486DX

Open

pins 2 & 3

Closed

pins 2 & 3

Open

80486DX2SL

pins 2 & 3

pins 2 & 3

Closed

pins 2 & 3

pins 2 & 3

P24T

pins 2 & 3

pins 2 & 3

Closed

pins 1 & 2

pins 2 & 3

CPU TYPE CONFIGURATION (CONTINUED)

Type

JP25

JP26

JP27

CXM6

Closed

Open

Closed

80486DLC

Closed

Closed

Closed

CXM7

Open

Open

Closed

80486DX

Closed

Open

Open

P24T

Open

Closed

Open

CPU SPEED CONFIGURATION

Speed

JP28

JP13

JP39

 

20MHz

pins 1 & 2

pins 1 & 2

pins 3 & 4, 5 & 6

 

25MHz

pins 1 &2

pins 1 & 2

pins 1 & 2, 5 & 6

»

33MHz

pins 1 & 2

pins 1 & 2

pins 1 & 2, 5 & 6

 

40MHz

pins 1 & 2

pins 1 & 2

pins 5 & 6

 

50iMHz

pins 2 & 3

pins 2 & 3

pins 1 & 2, 5 & 6

 

66iMHz

pins 1 & 2

pins 1 & 2

pins 1 & 2, 5 & 6

VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION

CPU speed

Wait states

JP1 (ID2)

JP2 (ID3)

< 33MHz

0 wait states

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

1 wait state

pins 2 & 3 closed

pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTE

Note:Pins designated should be in the closed position.








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