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MS-5128 (VER. 1.1)

MICRO-STAR INTERNATIONAL CO., LTD.

MS-5128 (VER. 1.1)

Processor

CX M1/AM K5/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

AMI/Award

Dimensions

280mm x 220mm

I/O Options

32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Turbo switch

J20 pins 15 - 17

Serial port 2

CN2

Reset switch

J20 pins 19 & 20

Parallel port

CN3

IDE interface LED

J20 pins 21 & 22

Floppy drive interface

CN4

Chassis fan power

J21

IDE interface 2

CN5

IR connector

JIR

IDE interface 1

CN6

32-bit PCI slots

PC1 - PC4

USB connector

J8

PS/2 mouse port

PSM1

Power LED & keylock

J20 pins 1 - 5

PS/2 mouse interface

PSM2

Speaker

J20 pins 7 - 10

Cache slot

SL1

Turbo LED

J20 pins 12 & 13

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP1

Unidentified

»

CMOS memory normal operation

JP8

Open

 

CMOS memory clear

JP8

Closed

»

Factory configured - do not alter

JP10

Unidentified

»

Factory configured - do not alter

JS2

Unidentified

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 1M x 36

(2) 4M 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) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

None

(2) 16M x 36

128MB

(2) 8M x 36

(2) 8M x 36

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 2M x 36

(2) 16M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 16M x 36

256MB

(2) 16M x 36

(2) 16M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

264MB

(2) 1M x 36

(2) 32M x 36

272MB

(2) 2M x 36

(2) 32M x 36

288MB

(2) 4M x 36

(2) 32M x 36

320MB

(2) 8M x 36

(2) 32M x 36

384MB

(2) 16M x 36

(2) 32M x 36

512MB

(2) 32M x 36

(2) 32M x 36

Note: Board accepts EDO memory. Banks are interchangeable.

CACHE CONFIGURATION

Size

Bank 0

SL1

256KB

(2) 32K x 32

None

512KB

(2) 32K x 32

256KB module installed

Note: The size of the TAG chip is unidentified.

CACHE JUMPER CONFIGURATION

Setting

JS1

256KB

Open

512KB

Closed

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

120MHz

50MHz

2x

Off

On

Off

Off

On

Off

133MHz

55MHz

2x

Off

On

Off

On

On

On

150MHz

60MHz

2x

Off

On

Off

Off

Off

On

166MHz

66MHz

2x

Off

On

Off

Off

Off

Off

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

75MHz

50MHz

1.5x

Off

Off

Off

Off

On

Off

90MHz

60MHz

1.5x

Off

Off

Off

Off

Off

On

100MHz

66MHz

2x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

2x

Off

On

Off

Off

Off

On

133MHz

66MHz

2x

Off

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

75MHz

50MHz

1.5x

Off

Off

Off

Off

On

Off

90MHz

60MHz

1.5x

Off

Off

Off

Off

Off

On

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

2x

Off

On

Off

Off

Off

On

133MHz

66MHz

2x

Off

On

Off

Off

Off

Off

150MHz

60MHz

2.5x

Off

On

On

Off

Off

On

166MHz

66MHz

2.5x

Off

On

On

Off

Off

Off

180MHz

60MHz

3x

Off

Off

On

Off

Off

On

200MHz

66MHz

3x

Off

Off

On

Off

Off

Off

CPU VOLTAGE SELECTION

Voltage

JV1

JV2

JV3

2.8v - 2.9v (P55)

Open

1 & 2, 4 & 5

Open

3.3v - 3.45v (STD/VR)

1 & 2, 3 & 4, 5 & 6

3 & 4

Open

3.45v - 3.6v (VRE)

1 & 2, 3 & 4, 5 & 6

3 & 4

Closed

Note: Pins designated should be in the closed position.