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MS-5143 (VER. 2)

ACHME COMPUTER, INC.

MS-5143 (VER. 2)

Processor

CX M1/AM K5/Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

Dimensions

305mm x 235mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Speaker

JFP/pins 7 - 10

Serial port 2

CN1

Turbo LED

JFP/pins 12 & 13

Parallel port

CN2

Reset switch

JFP/pins 19 & 20

PS/2 mouse port

CN3

IDE interface LED

JFP/pins 21 & 22

Serial port 1

CN4

Chassis fan power

JFAN

IDE interface 1

CN5

Green PC LED

JGL

IDE interface 2

CN6

Green PC connector

JGS

Floppy drive interface

CN7

Soft off power supply

JRMS

Auxiliary keyboard mouse

J1

Speaker

JSPK

IR connector

IR1

32-bit PCI slots

PC1 - PC4

Power LED & keylock

JFP/pins 1 - 5

USB connector

USB

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

C1

Unidentified

Factory configured - do not alter

JP1

Unidentified

Factory configured - do not alter

JRTC

Unidentified

DIMM/DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(2) 1M x 36

None

None

None

8MB

None

None

(1) 1M x 64

None

16MB

(2) 2M x 36

None

None

None

16MB

None

None

(1) 2M x 64

None

16MB

(2) 1M x 36

(2) 1M x 36

None

None

16MB

(2) 1M x 36

None

(1) 1M x 64

None

24MB

None

(2) 2M x 36

(1) 1M x 64

None

32MB

(2) 4M x 36

None

None

None

32MB

None

None

(1) 4M x 64

None

32MB

(2) 2M x 36

None

(1) 2M x 64

None

40MB

(2) 4M x 36

(2) 1M x 36

None

None

40MB

(2) 4M x 36

None

(1) 1M x 64

None

48MB

(2) 2M x 36

None

(1) 4M x 64

None

48MB

(2) 4M x 36

(2) 2M x 36

None

None

64MB

(2) 8M x 36

None

None

None

64MB

None

None

None

(1) 8M x 64

64MB

(2) 4M x 36

(2) 4M x 36

None

None

64MB

(2) 4M x 36

None

(1) 4M x 64

None

64MB

None

None

(1) 4M x 64

(1) 4M x 64

72MB

(2) 8M x 36

(2) 1M x 36

None

None

DIMM/DRAM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

72MB

(2) 8M x 36

None

(1) 1M x 64

None

80MB

None

(2) 2M x 36

(1) 8M x 64

None

80MB

(2) 8M x 36

(2) 2M x 36

None

None

80MB

(2) 8M x 36

None

(1) 2M x 64

None

96MB

(2) 8M x 36

(2) 4M x 36

None

None

96MB

(2) 8M x 36

None

(1) 4M x 64

None

96MB

None

(2) 8M x 36

(1) 4M x 64

None

128MB

None

None

(1) 8M x 64

(1) 8M x 64

128MB

(2) 8M x 36

(2) 8M x 36

None

None

128MB

(2) 8M x 36

None

(1) 8M x 64

None

Note: Board accepts EDO memory. Banks 0 & 1 and 2 & 3 are interchangeable.

DIMM VOLTAGE CONFIGURATION

Voltage

JP2

3.3v

Pins 1 & 3, 2 & 4 closed

5v

Pins 3 & 5, 4 & 6 closed

CACHE CONFIGURATION

Note: Board accepts 256KB/512Kb cache. The size of the chips and location are unidentified.

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

On

On

Off

Off

90MHz

60MHz

1.5x

Off

Off

On

Off

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

2x

On

Off

On

Off

Off

Off

133MHz

66MHz

2x

On

Off

Off

Off

Off

Off

150MHz

60MHz

2.5x

On

On

On

Off

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

120MHz

50MHz

2x

On

Off

On

On

Off

Off

133MHz

55MHz

2x

On

Off

Off

On

Off

Off

150MHz

60MHz

2x

On

Off

On

Off

Off

Off

166MHz

66MHz

2x

On

Off

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

On

On

Off

Off

90MHz

60MHz

1.5x

Off

Off

On

Off

Off

Off

100MHz

66MHz

1.5x

Off

Off

Off

Off

Off

Off

120MHz

60MHz

2x

On

Off

On

Off

Off

Off

133MHz

66MHz

2x

On

Off

Off

Off

Off

Off

150MHz

60MHz

2.5x

On

On

On

Off

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

Off

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JV1

JV2

JV3

JV4

JV5

JV6

3.38v

3 & 5, 4 & 6

Closed

Open

Open

Open

Open

3.52v

3 & 5, 4 & 6

Open

Closed

Open

Open

Open

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JV1

JV2

JV3

JV4

JV5

JV6

3.3v

2.5v

1 & 3, 2 & 4

Open

Open

Closed

Open

Open

3.3v

2.8v

1 & 3, 2 & 4

Open

Open

Open

Closed

Open

3.3v

2.9v

1 & 3, 2 & 4

Open

Open

Open

Open

Closed

Note: Pins designated should be in the closed position.