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





MS-4144

MICRO-STAR INTERNATIONAL CO., LTD.

MS-4144

Processor

CX476S/SL80486SX/80486SX/CX486DX/SLAMD486DX/AM486DX/SL80486DX80486DX/AM486DX2/SL80486DX2/80486DX4

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

128MB

Cache

128/256/512/1024KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Turbo LED

JFB1 pins 12 - 13

Serial port 2

CN2

Turbo switch

JFB1 pins 15 - 17

Parallel port

CN3

Reset switch

JFB1 pins 19 - 20

Floppy drive interface

CN4

IDE interface LED

JFB1 pins 21 & 22

IDE interface (secondary)

CN5

Green PC LED

JG1 pins 1 & 2

IDE interface (primary)

CN6

Green PC connector

JG1 pins 3 & 4

External battery

JBAT1

Green PC connector (monitor)

JG2

Power LED & keylock

JFB1 pins 1 - 5

Chassis fan power

JFAN1

Speaker

JFB1 pins 6 - 10

32-bit PCI slots

PC1 - PC3

Note: The location of JFAN1 is unidentified.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery type select internal

JBAT1

pins 2 & 3 closed

 

Battery type select external

JBAT1

Closed

»

Factory configured - do not alter

JM1

N/A

»

Factory configured - do not alter

JV1

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

NONE

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 256K x 36

(1) 1M x 36

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

NONE

6MB

(1) 512K x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 1M x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 256K x 36

(1) 4M x 36

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

NONE

18MB

(1) 512K x 36

(1) 4M x 36

NONE

NONE

20MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

24MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 4M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 4M 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

64MB

(1) 16M x 36

NONE

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

65MB

(1) 256K x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

68MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 16M x 36

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

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

256KB

(4) 32K x 8

(4) 32K x 8

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

256KB

(4) 64K x 8

NONE

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

512KB

(4) 64K x 8

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

NONE

(1) 32K x 8

1MB

(4) 128K x 8

(4) 128K x 8

(1) 64K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

JS3

JS4

128KB

pins 1 & 2 closed

pins 1 & 2 closed

Open

pins 2 & 3 closed

256KB

pins 2 & 3 closed

pins 1 & 2 closed

Open

pins 3 & 4 closed

256KB

pins 2 & 3 closed

pins 1 & 2 closed

Open

pins 1 & 2, 3 & 4 closed

512KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 3 & 4 closed

512KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

1MB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 3 & 4 closed

CPU TYPE CONFIGURATION

Type

JC5

JC6

JC7

JC8

CX486S

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

SL80486SX

pins 4 & 5 closed

pins 6 & 7 closed

Open

Open

80486SX

pins 4 & 5 closed

pins 6 & 7 closed

Open

Open

CX486DX

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

SL AMD486DX

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

AM486DX

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

SL80486DX

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

80486DX

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

AM486DX2

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

SL80486DX2

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

80486DX2

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

80486DX2 (WB)

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

80486DX4

pins 3 & 4, 5 & 6 closed

pins 4 & 5, 6 & 7 closed

Open

Open

CPU TYPE CONFIGURATION

Type

JC1

JC2

JC3

JC4

CX486S

Not installed

Installed

Not installed

Not installed

SL80486SX

Installed

Not installed

Not installed

Not installed

80486SX

Not installed

Not installed

Not installed

Not installed

CX486DX

Not installed

Installed

Not installed

Not installed

SL AMD486DX

Not installed

Not installed

Not installed

Not installed

AM486DX

Not installed

Not installed

Not installed

Not installed

SL80486DX

Installed

Not installed

Not installed

Not installed

80486DX

Not installed

Not installed

Not installed

Not installed

AM486DX2

Not installed

Not installed

Not installed

Not installed

SL80486DX2

Installed

Not installed

Not installed

Not installed

80486DX2

Not installed

Not installed

Not installed

Not installed

80486DX2 (WB)

Installed

Not installed

Installed

Not installed

80486DX4

Installed

Not installed

Not installed

Not installed

CPU SPEED CONFIGURATION

Speed

JK1

25MHz

pins 7 & 8 closed

33MHz

pins 1 & 2, 3 & 4, 7 & 8 closed

40MHz

pins 3 & 4, 9 & 10 closed

50iMHz

pins 7 & 8 closed

50MHz

pins 1 & 2, 5 & 6, 9 & 10 closed

66iMHz

pins 1 & 2, 3 & 4, 7 & 8 closed

75iMHz

pins 7 & 8 closed

100iMHz

pins 1 & 2, 3 & 4, 7 & 8 closed

CPU VOLTAGE CONFIGURATION

Voltage

jcv3

jcv4

3.45v

pins 1 & 2, 3 & 4, 5 & 6 closed

Open

3.8v

pins 1 & 2, 3 & 4, 5 & 6 closed

Closed

5v

pins 7 & 8, 9 & 10, 11 & 12 closed

Open

DACK/DRQ CONFIGURATION

DACK/DRQ

JDRQ1

DACK1/DRQ1

pins 1 & 2, 4 & 5 closed

DACK3/DRQ3

pins 2 & 3, 5 & 6 closed