ACHITEC CORPORATION, LTD.

ACHI-150

Device Type

Mainboard

Processor

CX 6X86/IBM 6X86/CX 686MX/IBM 6X86MX/IDT/AM K5/

AM K6/Pentium

Processor Speed

90/100120/133/150/166/180/200/233/266/300/333MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

250mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), USB connector, ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

IDE interface 2

CN5

Serial port 2

CN1

IDE interface 1

CN6

Serial port 1

CN2

PS/2 mouse interface

CN7

Floppy drive interface

CN3

32-bit PCI slots

PC1 – PC3

Parallel port

CN4

USB connector

USB

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

CN11

Unidentified

»

CMOS memory normal operation

J3

Pins 1 & 2 closed

 

CMOS memory clear

J3

Pins 2 & 3 closed

»

Factory configured - do not alter

J7

Unidentified

»

Factory configured - do not alter

J8

Unidentified

»

Factory configured - do not alter

J9

Unidentified

SIMM CONFIGURATION

Size

Bank 0

8MB

(2) 1M x 36

16MB

(2) 2M x 36

32MB

(2) 4M x 36

64MB

(2) 8M x 36

128MB

(2) 16M x 36

256MB

(2) 32M x 36

Note: Board accepts EDO memory.

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

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

Note: Board accepts SDRAM memory.

DIMM VOLTAGE CONFIGURATION

Voltage

J1

J2

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

CACHE CONFIGURATION

Note: 256/512KB cache is factory installed and is not configurable. The location is unidentified.

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

150MHz

60MHz

2x

On

Off

Off

On

Off

Off

166MHz

66MHz

2x

On

Off

Off

Off

Off

Off

166MHz

60MHz

2.5x

On

On

Off

On

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

On

Off

CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

150MHz

60MHz

2x

On

Off

Off

On

Off

Off

166MHz

66MHz

2x

On

Off

Off

Off

Off

Off

166MHz

60MHz

2.5x

On

On

Off

On

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

On

Off

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

233MHz

75MHz

2.5x

On

On

Off

Off

On

Off

233MHz

66MHz

3x

Off

On

Off

Off

Off

Off

266MHz

75MHz

3x

Off

On

Off

Off

On

Off

266MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

CPU SPEED SELECTION (IBM 6X86MX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

233MHz

75MHz

2.5x

On

On

Off

Off

On

Off

233MHz

66MHz

3x

Off

On

Off

Off

Off

Off

266MHz

75MHz

3x

Off

On

Off

Off

On

Off

266MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

CPU SPEED SELECTION (IDT)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

200MHz

66MHz

3x

Off

On

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

60MHz

2.5x

On

On

Off

On

Off

Off

166MHz

66MHz

2.5x

On

On

Off

Off

Off

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

266MHz

66MHz

4x

On

Off

On

Off

Off

Off

300MHz

66MHz

4.5x

On

On

On

Off

Off

Off

333MHz

66MHz

5x

Off

On

On

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

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

200MHz

66MHz

3x

Off

On

Off

Off

Off

Off

233MHz

66MHz

3.5x

Off

Off

Off

Off

Off

Off

266MHz

66MHz

4x

On

Off

On

Off

Off

Off

300MHz

66MHz

4.5x

On

On

On

Off

Off

Off

333MHz

66MHz

5x

Off

On

On

Off

Off

Off

CPU VOLTAGE SELECTION

Voltage

SW2/1

SW2/2

SW2/3

SW2/4

2.0

Off

Off

Off

Off

2.1

On

Off

Off

Off

2.2

Off

On

Off

Off

2.3

On

On

Off

Off

2.4

Off

Off

On

Off

2.5

On

Off

On

Off

2.6

Off

On

On

Off

2.7

On

On

On

Off

2.8

Off

Off

Off

On

2.9

On

Off

Off

On

3.0

Off

On

Off

On

3.1

On

On

Off

On

3.2

Off

Off

On

On

3.3

On

Off

On

On

3.4

Off

On

On

On

3.5

On

On

On

On