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MS-5128

MICRO-STAR INTERNATIONAL CO., LTD.

MS-5128

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

256MB (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, green PC connector, 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

Speaker

J20 pins 7 - 10

Serial port 2

CN2

Turbo LED

J20 pins 12 & 13

Parallel port

CN3

Turbo switch

J20 pins 15 - 17

Floppy drive interface

CN4

Reset switch

J20 pins 19 & 20

IDE interface 2

CN5

IDE interface LED

J20 pins 21 & 22

IDE interface 1

CN6

Chassis fan power

J21

USB connector

CN7

IR connector

JIR

PS/2 mouse interface

CN8

Green PC connector

JG2

PS/2 mouse port

CN9

32-bit PCI slots

PC1 - PC4

Power LED & keylock

J20 pins 1 - 5

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Jumper information unavailable

JP8

Unidentified

 

PS/2 IRQ12 mouse enabled

JP10

Closed

 

PS/2 IRQ12 mouse disabled

JP10

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

8MB

None

(2) 1M x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

16MB

None

(2) 2M x 36

24MB

(2) 2M 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

32MB

None

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

40MB

(2) 1M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

None

(2) 8M 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

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

80MB

(2) 2M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

96MB

(2) 4M x 36

(2) 8M x 36

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

128MB

None

(2) 16M x 36

128MB

(2) 8M x 36

(2) 8M x 36

136MB

(2) 1M x 36

(2) 16M x 36

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 2M x 36

(2) 16M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 4M x 36

(2) 16M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 16M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

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

SL1 installed

Closed

SL1 not installed

Open

CPU SPEED SELECTION (CYRIX)

Speed

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

120MHz

Off

On

Off

Off

On

Off

133MHz

Off

On

Off

On

On

On

150MHz

Off

On

Off

Off

Off

On

166MHz

Off

On

Off

Off

Off

Off

CPU SPEED SELECTION (AMD/PENTIUM)

Speed

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

75MHz

Off

Off

Off

Off

On

Off

90MHz

Off

Off

Off

Off

Off

On

100MHz

Off

Off

Off

Off

Off

Off

120MHz

Off

On

Off

Off

Off

On

133MHz

Off

On

Off

Off

Off

Off

150MHz

Off

On

On

Off

Off

On

166MHz

Off

On

On

Off

Off

Off

180MHz

Off

Off

On

Off

Off

On

200MHz

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.