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





MS-4129 (ISA 486 AL1), ALI 486 NONCACHE

ACHME COMPUTER, INC.

MS-4129 (ISA 486 AL1), ALI 486 NONCACHE

Processor

CX486SX/80486SX/80487SX/AMD486DX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

ALI

Max. Onboard DRAM

112MB

Cache

None

BIOS

AMI

Dimensions

220mm x 220mm

I/O Options

None

NPU Options

CX487

CONNECTIONS

Purpose

Location

Purpose

Location

Keyboard connector

J3

Turbo LED

J5 (pins 12-13)

External battery

J4

Turbo switch

J5 (pins 15-17)

Power LED & keylock

J5 (pins 1-5)

Reset switch

J5 (pins 19-20)

Speaker

J5 (pins 7-10)

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

Factory configured - do not alter

CN1

Open

Ľ

Factory configured - do not alter

CN2

Open

Ľ

Factory configured - do not alter

CN3

Open

Ľ

Battery type select internal

J4

pins 2 & 3 closed

 

Battery type select external

J4

Closed

Ľ

Monitor type select monochrome

JP4

Open

 

Monitor type select color

JP4

pins 2 & 3 closed

Ľ

CPU type select PGA

JP28

Open

 

CPU type select PQFP

JP28

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

1MB

NONE

NONE

(1) 256K x 36

1MB

NONE

(1) 256K x 36

NONE

2MB

(4) 256K x 9

(1) 256K x 36

NONE

2MB

NONE

(1) 512K x 36

NONE

2MB

NONE

NONE

(1) 512K x 36

2MB

NONE

(1) 256K x 36

(1) 256K x 36

2MB

NONE

(1) 512K x 36

NONE

3MB

(4) 256K x 9

(1) 512K x 36

NONE

3MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

3MB

NONE

(1) 256K x 36

(1) 512K x 36

3MB

NONE

(1) 512K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

(4) 256K x 9

(1) 512K x 36

(1) 256K x 36

4MB

NONE

(1) 1M x 36

NONE

4MB

NONE

NONE

(1) 1M x 36

4MB

NONE

(1) 512K x 36

(1) 512K x 36

4MB

NONE

(1) 1M x 36

NONE

5MB

(4) 256K x 9

(1) 1M x 36

NONE

5MB

NONE

(1) 256K x 36

(1) 1M x 36

5MB

NONE

(1) 1M x 36

(1) 256K x 36

6MB

(4) 256K x 9

(1) 256K x 36

(1) 1M x 36

6MB

(4) 256K x 9

(1) 1M x 36

(1) 256K x 36

6MB

(1) 1M x 9

(1) 256K x 36

(1) 256K x 36

6MB

NONE

(1) 512K x 36

(1) 1M x 36

7MB

(4) 256K x 9

(1) 512K x 36

(1) 1M x 36

7MB

(1) 1M x 9

(1) 512K x 36

(1) 256K x 36

8MB

NONE

(1) 2M x 36

NONE

8MB

NONE

NONE

(1) 2M x 36

8MB

NONE

(1) 1M x 36

(1) 1M x 36

8MB

NONE

(1) 2M x 36

NONE

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

9MB

(4) 256K x 9

(1) 2M x 36

NONE

9MB

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

9MB

(1) 1M x 9

(1) 256K x 36

(1) 1M x 36

9MB

(1) 1M x 9

(1) 1M x 36

(1) 256K x 36

9MB

NONE

(1) 256K x 36

(1) 2M x 36

10MB

NONE

(1) 512K x 36

(1) 2M x 36

10MB

NONE

(1) 2M x 36

(1) 256K x 36

10MB

(4) 256K x 9

(1) 2M x 36

(1) 256K x 36

10MB

(1) 1M x 9

(1) 512K x 36

(1) 1M x 36

10MB

NONE

(1) 2M x 36

(1) 512K x 36

12MB

(1) 1M x 9

(1) 1M x 36

(1) 1M x 36

12MB

NONE

(1) 1M x 36

(1) 2M x 36

12MB

NONE

(1) 2M x 36

(1) 1M x 36

13MB

(4) 256K x 9

(1) 2M x 36

(1) 1M x 36

13MB

(1) 1M x 9

(1) 2M x 36

(1) 256K x 36

16MB

(4) 4M x 9

NONE

NONE

16MB

(1) 1M x 9

(1) 2M x 36

(1) 1M x 36

16MB

NONE

(1) 4M x 36

NONE

16MB

NONE

NONE

(1) 4M x 36

16MB

NONE

(1) 2M x 36

(1) 2M x 36

16MB

NONE

(1) 4M x 36

NONE

17MB

(4) 256K x 9

(1) 4M x 36

NONE

17MB

NONE

(1) 256K x 36

(1) 4M x 36

17MB

NONE

(1) 4M x 36

(1) 256K x 36

18MB

(4) 256K x 9

(1) 256K x 36

(1) 4M x 36

18MB

(4) 256K x 9

(1) 4M x 36

(1) 256K x 36

18MB

(1) 4M x 9

(1) 256K x 36

(1) 256K x 36

18MB

NONE

(1) 512K x 36

(1) 4M x 36

18MB

(1) 4M x 36

NONE

(1) 512K x 36

18MB

NONE

(1) 4M x 36

(1) 512K x 36

19MB

(4) 256K x 9

(1) 512K x 36

(1) 4M x 36

19MB

(1) 4M x 9

(1) 512K x 36

(1) 256K x 36

20MB

NONE

(1) 1M x 36

(1) 4M x 36

20MB

NONE

(1) 4M x 36

(1) 1M x 36

21MB

(4) 256K x 9

(1) 1M x 36

(1) 4M x 36

21MB

(4) 256K x 9

(1) 4M x 36

(1) 1M x 36

21MB

(1) 1M x 9

(1) 256K x 36

(1) 4M x 36

21MB

(1) 1M x 9

(1) 4M x 36

(1) 256K x 36

21MB

(1) 4M x 9

(1) 256K x 36

(1) 1M x 36

21MB

(1) 4M x 9

(1) 1M x 36

(1) 256K x 36

22MB

(1) 1M x 9

(1) 512K x 36

(1) 4M x 36

22MB

(1) 4M x 9

(1) 512K x 36

(1) 1M x 36

24MB

(1) 1M x 9

(1) 1M x 36

(1) 4M x 36

24MB

(1) 1M x 9

(1) 4M x 36

(1) 1M x 36

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

24MB

(1) 4M x 9

(1) 1M x 36

(1) 1M x 36

24MB

NONE

(1) 2M x 36

(1) 4M x 36

24MB

NONE

(1) 4M x 36

(1) 2M x 36

25MB

(4) 256K x 9

(1) 2M x 36

(1) 4M x 36

25MB

(1) 4M x 9

(1) 2M x 36

(1) 256K x 36

28MB

(1) 1M x 9

(1) 2M x 36

(1) 4M x 36

28MB

(1) 4M x 9

(1) 2M x 36

(1) 1M x 36

32MB

NONE

(1) 8M x 36

NONE

32MB

NONE

NONE

(1) 8M x 36

32MB

NONE

(1) 4M x 36

(1) 4M x 36

32MB

NONE

(1) 8M x 36

NONE

33MB

(4) 256K x 9

(1) 8M x 36

NONE

33MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

33MB

(1) 4M x 9

(1) 256K x 36

(1) 4M x 36

33MB

(1) 4M x 9

(1) 4M x 36

(1) 256K x 36

33MB

NONE

(1) 256K x 36

(1) 8M x 36

33MB

NONE

(1) 8M x 36

(1) 256K x 36

34MB

(4) 256K x 9

(1) 8M x 36

(1) 256K x 36

34MB

(1) 4M x 9

(1) 512K x 36

(1) 4M x 36

34MB

NONE

(1) 512K x 36

(1) 8M x 36

34MB

NONE

(1) 8M x 36

(1) 512K x 36

36MB

(1) 1M x 9

(1) 4M x 36

(1) 4M x 36

36MB

(1) 4M x 9

(1) 1M x 36

(1) 4M x 36

36MB

(1) 4M x 9

(1) 4M x 36

(1) 1M x 36

36MB

NONE

(1) 1M x 36

(1) 8M x 36

36MB

NONE

(1) 8M x 36

(1) 1M x 36

37MB

(4) 256K x 9

(1) 8M x 36

(1) 1M x 36

37MB

(1) 1M x 9

(1) 8M x 36

(1) 256K x 36

40MB

(1) 1M x 9

(1) 8M x 36

(1) 1M x 36

40MB

(1) 4M x 9

(1) 2M x 36

(1) 4M x 36

40MB

NONE

(1) 2M x 36

(1) 8M x 36

40MB

NONE

(1) 8M x 36

(1) 2M x 36

48MB

(1) 4M x 9

(1) 4M x 36

(1) 4M x 36

48MB

NONE

(1) 4M x 36

(1) 8M x 36

48MB

NONE

(1) 8M x 36

(1) 4M x 36

49MB

(4) 256K x 9

(1) 8M x 36

(1) 4M x 36

49MB

(1) 4M x 9

(1) 8M x 36

(1) 256K x 36

52MB

(1) 1M x 9

(1) 8M x 36

(1) 4M x 36

52MB

(1) 4M x 9

(1) 8M x 36

(1) 1M x 36

64MB

(4) 16M x 9

NONE

NONE

64MB

(1) 4M x 9

(1) 8M x 36

(1) 4M x 36

64MB

NONE

(1) 8M x 36

(1) 8M x 36

66MB

(4) 16M x 9

(1) 256K x 36

(1) 256K x 36

67MB

(4) 16M x 9

(1) 512K x 36

(1) 256K x 36

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

69MB

(4) 16M x 9

(1) 256K x 36

(1) 1M x 36

69MB

(4) 16M x 9

(1) 1M x 36

(1) 256K x 36

70MB

(4) 16M x 9

(1) 512K x 36

(1) 1M x 36

72MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

73MB

(4) 16M x 9

(1) 2M x 36

(1) 256K x 36

76MB

(4) 16M x 9

(1) 2M x 36

(1) 1M x 36

81MB

(4) 16M x 9

(1) 256K x 36

(1) 4M x 36

81MB

(4) 16M x 9

(1) 4M x 36

(1) 256K x 36

82MB

(4) 16M x 9

(1) 512K x 36

(1) 4M x 36

84MB

(4) 16M x 9

(1) 1M x 36

(1) 4M x 36

84MB

(4) 16M x 9

(1) 4M x 36

(1) 1M x 36

88MB

(4) 16M x 9

(1) 2M x 36

(1) 4M x 36

96MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

97MB

(4) 16M x 9

(1) 8M x 36

(1) 256K x 36

100MB

(4) 16M x 9

(1) 8M x 36

(1) 1M x 36

112MB

(4) 16M x 9

(1) 8M x 36

(1) 4M x 36

CPU TYPE CONFIGURATION

Type

JP10

JP14

80486SX

Open

pins 2 & 3 closed

80487SX

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

80486DX/DX2

pins 2 & 3 closed

pins 1 & 2, 3 & 4 closed

CPU TYPE CONFIGURATION

Type

JP11

JP12

JP13

JP17

JP18

JP19

JP27

CX486SX/CX487SX

Open

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Closed

Pentium Overdrive

Open

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

Closed

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP3

JP16

JP24

JP25

25MHz

1 & 2

1 & 2

1 & 2

3 & 4

33MHz

1 & 2

1 & 2

1 & 2

1 & 2, 5 & 6

40MHz

1 & 2

1 & 2

1 & 2

1 & 2, 3 & 4, 5 & 6

50iMHz

1 & 2

1 & 2

1 & 2

3 & 4

50MHz

2 & 3

2 & 3

2 & 3

3 & 4

66iMHz

1 & 2

1 & 2

1 & 2

1 & 2, 5 & 6

Note: Pins designated should be in the closed position.