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MS-4132G VLB 486 SI3G

ACHME COMPUTER, INC.

MS-4132G VLB 486 SI3G

Processor

80486SX/80487SX/80486SX-SL/80486DX/80486DX-SL

Processor Speed

25/33/40/50MHz

Chip Set

SIS

Max. Onboard DRAM

32MB

Cache

128/256KB

BIOS

Phoenix

Dimensions

254mm x 218mm

I/O Options

32-Bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Internal keyboard connector

CN1

Power saving switch

JG3

External battery

JB

32-Bit VESA local bus slot

S1

Green Function

JC7

32-Bit VESA local bus slot

S2

Monitor power control

JG1

32-Bit VESA local bus slot

S3

Green PC LED

JG2

 

 

PIN OUT CONFIGURATION

Connector

JFP

Keylock

pins 1 & 2 closed

Power LED

pins 3 & 5 closed

Turbo LED

pins 12 & 13 closed

Turbo switch

pins 15, 16, & 17 closed

Reset

pins 19 & 20 closed

Speaker

pins 7, 8, 9, & 10 closed

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CPU PQFP not installed

JC1

Closed

 

CPU PQFP installed

JC1

Open

Monitor type select monochrome

JP1

Open

 

Monitor type select color

JP1

Closed

Factory configured - do not alter

JP4A

pins 1 & 2 closed

Factory configured - do not alter

JP16

N/A

Normal VL-bus card installed

JP23

Open

 

Special VL-bus card installed

JP23

Closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

128KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JC2

JC3

JC4

JC5

JC6

JC8

JC9

80486SX

Open

pins 2 & 3

N/A

N/A

Open

Closed

Closed

80486SX-SL

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

Open

Closed

Closed

80487SX

Open

1 & 2, 3 & 4

N/A

N/A

pins 1 & 2

Open

Open

80486DX

Open

1 & 2, 3 & 4

N/A

N/A

pins 2 & 3

Open

Open

80486DX-SL

pins 2 & 3

1 & 2, 3 & 4

pins 1 & 2

pins 1 & 2

pins 2 & 3

Closed

Closed

Note: Pins designated should be in the closed position.

VESA WAIT STATE/BUS SPEED CONFIGURATION

Speed

Wait states

JP8

JP9

< 33MHz

0 wait states

Open

Open

>33MHz

1 wait state

Closed

Closed

CPU SPEED CONFIGURATION

Speed

JK1

JK2

JK3

JK4

25MHz

Open

Open

Closed

pins 2 & 3 closed

33MHz

Closed

Open

Open

pins 2 & 3 closed

40MHz

Closed

Closed

Open

pins 2 & 3 closed

50MHz

Open

Closed

Open

pins 1 & 2 closed

DRAM BANK AND JUMPER CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

JM1

JM2

JM3

4MB

(1) 256KB x 36 DS

(1) 512KB x 36

NONE

1 & 2

N/A

N/A

4MB

(1) 256K x 36

(1) 512KB x 36

(4) 256K x 9

1 & 2

4 & 5

1 & 2

4MB

(1) 512KB x 36

(1) 512KB x 36

NONE

2 & 3

N/A

N/A

4MB

(1) 1M x 36

NONE

NONE

N/A

N/A

N/A

4MB

NONE

NONE

(4) 1M x 9

N/A

N/A

2 & 3

8MB

(1) 256KB x 36 DS

(1) 512KB x 36

(4) 1M x 9

1 & 2

1 & 2

1 & 2

8MB

(1) 256KB x 36 DS

(1) 1M x 36

NONE

1 & 2

N/A

N/A

8MB

(1) 256KB x 36 DS

NONE

(4) 1M x 9

N/A

2 & 3

1 & 2

8MB

(1) 1M x 36

(1) 1M x 36

NONE

2 & 3

N/A

N/A

8MB

(1) 1M x 36

NONE

(4) 1M x 9

N/A

4 & 5

1 & 2

8MB

(1) 1M x 36 DS

NONE

NONE

N/A

N/A

N/A

12MB

(1) 256KB x 36 DS

(1) 1M x 36

(4) 1M x 9

1 & 2

1 & 2

1 & 2

12MB

(1) 1M x 36

(1) 1M x 36

(4) 1M x 9

1 & 2

4 & 5

1 & 2

16MB

(1) 1M x 36 DS

(1) 1M x 36

(4) 1M x 9

1 & 2

1 & 2

1 & 2

16MB

(1) 1M x 36 DS

(1) 1M x 36 DS

NONE

1 & 2

1 & 2

1 & 2

16MB

(1) 4M x 36

NONE

NONE

N/A

N/A

N/A

16MB

NONE

NONE

(4) 4M x 9

N/A

N/A

2 & 3

20MB

(1) 2M x 36

(1) 2M x 36

(4) 4M x 9

2 & 3

2 & 3

1 & 2

24MB

(1) 2M x 36 DS

(1) 4M x 36

(4) 4M x 9

1 & 2

1 & 2

1 & 2

32MB

(1) 4M x 36

(1) 4M x 36

NONE

2 & 3

N/A

N/A

64MB

(1) 4M x 36 DS

(1) 4M x 36 DS

NONE

1 & 2

1 & 2

1 & 2

64MB

(1) 4M x 36 DS

(1) 4M x 36

(4) 4M x 9

1 & 2

1 & 2

1 & 2

Note:Pins designated should be in the closed position.