MICRO-STAR INTERNATIONAL CO., LTD.

MS-5156

Processor

CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium

Processor Speed

90/100/120/133/150/166/200/233/266MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

512KB

BIOS

Unidentified

Dimensions

250mm x 220mm

I/O Options

32-bit PCI slots (5), floppy drive interface, green PC connector, IDE IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), IR connector, USB connector, ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Turbo switch

JFP1/pins 15 - 17

Serial port 2

CN1

Reset switch

JFP1/pins 19 & 20

Serial port 1

CN2

IDE interface LED

JFP1/pins 21 & 22

Floppy drive interface

CN3

Green PC LED

JGL1

Parallel port

CN4

Green PC connector

JGS1

IDE interface 2

CN5

IR connector

JIR1

IDE interface 1

CN6

PS/2 mouse interface

JMS1

CPU fan

JFAN1

Power fan

JPFAN

CPU fan

JFAN2

Chassis fan power

JSFAN

Power LED & keylock

JFP1/pins 1 - 5

32-bit PCI slots

PC1 – PC5

Speaker

JFP1/pins 7 - 10

USB connector

USB

Turbo LED

JFP1/pins 12 & 13

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J10

Unidentified

»

CMOS memory normal operation

JBAT1

Pins 1 & 2 closed

 

CMOS memory clear

JBAT1

Pins 2 & 3 closed

»

Factory configured - do not alter

JRMC1

Unidentified

»

Factory configured - do not alter

JRMS1

Unidentified

»

Factory configured - do not alter

JRMS2

Unidentified

»

Factory configured - do not alter

JV8

Unidentified

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory. Do not install SIMMs & DIMMs at the same time. If both are used, DIMMs must be 5v.

DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

DIMM VOLTAGE CONFIGURATION

Voltage

JV1

3.3v

Pins 1 & 2, 3 & 4 closed

5v

Pins 5 & 6, 7 & 8 closed

CACHE CONFIGURATION

Size

Bank 0

512KB

(2) 64K x 32

Note: The location of bank 0 is unidentified.

CPU SPEED SELECTION (CX 6X86/6X86L)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

133MHz

55MHz

2x

On

Off

Off

On

On

Off

150MHz

60MHz

2x

On

Off

Off

On

Off

Off

166MHz

66MHz

2x

On

Off

Off

Off

Off

Off

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

166MHz

60MHz

2.5x

On

On

Off

On

Off

Off

166MHz

66MHz

2x

On

Off

Off

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

On

Off

200MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

233MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

75MHz

2.5x

On

On

Off

Off

On

Off

266MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

266MHz

75MHz

3x

Off

On

Off

Off

On

Off

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

90MHz

60MHz

1.5x

Off

Off

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

2x

On

Off

Off

On

Off

Off

133MHz

66MHz

2x

On

Off

Off

Off

Off

Off

150MHz

66MHz

2x

On

Off

Off

Off

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

90MHz

60MHz

1.5x

Off

Off

Off

On

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

2x

On

Off

Off

On

Off

Off

133MHz

66MHz

2x

On

Off

Off

Off

Off

Off

150MHz

60MHz

2.5x

On

On

Off

On

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JV2

JV3

JV4

JV5

3.3v

Closed

Open

Closed

Closed

3.5v

Closed

Closed

Closed

Closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JV2

JV3

JV4

JV5

3.3v

2.1v

Closed

Open

Open

Open

3.3v

2.2v

Open

Closed

Open

Open

3.3v

2.3v

Closed

Closed

Open

Open

3.3v

2.4v

Open

Open

Closed

Open

3.3v

2.5v

Closed

Open

Closed

Open

3.3v

2.6v

Open

Closed

Closed

Open

3.3v

2.7v

Closed

Closed

Closed

Open

3.3v

2.8v

Open

Open

Closed

Closed

3.3v

2.9v

Closed

Open

Open

Closed

3.3v

3.2v

Open

Open

Closed

Closed

FLASH BIOS SELECTION

Setting

JP1

JP2

 

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

»

12v

Pins 2 & 3 closed

Pins 2 & 3 closed