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ACHI-152

ACHITEC CORPORATION, LTD.

ACHI-152

Device Type

Mainboard

Processor

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

AM K6/Pentium

Processor Speed

90/100/120/133/150/166/180/200/233/266/300/333MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

512KB

BIOS

Award

Dimensions

220mm x 190mm

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), IR connector, USB connector, ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Serial port

CN2

Reset switch

C1/pins 1 & 2

Parallel port

CN3

Power LED & keylock

C1/pins 4 - 8

Floppy drive interface

CN4

Speaker

C1/pins 10 - 13

IDE interface

CN5

Soft off power supply

C1/pins 15 & 16

IDE interface

CN6

IR connector

C1/pins 21 - 25

PS/2 mouse interface

CN7

Green PC connector

C1/pins 32 & 33

CPU fan power

J10

Green PC LED

C1/pins 35 & 36

32-bit PCI slots

PC1 – PC4

IDE interface LED

C1/pins 38 & 39

USB connector

USB

Serial port

CN1

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

J9

Pins 1 & 2 closed

 

CMOS memory clear

J9

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

J11

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

J11

Pins 2 & 3 closed

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

DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

Note: Board accepts SDRAM memory.

DIMM VOLTAGE CONFIGURATION

Voltage

J1

J3

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

512KB

(1) 64K x 64

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

Open

Closed

Closed

Closed

Open

Open

166MHz

66MHz

2x

Closed

Open

Closed

Closed

Open

Open

166MHz

60MHz

2.5x

Open

Closed

Closed

Closed

Closed

Open

200MHz

75MHz

2x

Open

Closed

Open

Closed

Open

Open

CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

J5/1

J5/2

J5/3

J6/1

J6/2

J6/3

150MHz

60MHz

2x

Open

Closed

Closed

Closed

Open

Open

166MHz

66MHz

2x

Closed

Open

Closed

Closed

Open

Open

166MHz

60MHz

2.5x

Open

Closed

Closed

Closed

Closed

Open

200MHz

75MHz

2x

Open

Closed

Open

Closed

Open

Open

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

J5/1

J5/2

J5/3

J6/1

J6/2

J6/3

233MHz

75MHz

2.5x

Open

Closed

Open

Closed

Closed

Open

233MHz

66MHz

3x

Closed

Open

Closed

Open

Closed

Open

266MHz

75MHz

3x

Open

Closed

Open

Open

Closed

Open

266MHz

66MHz

3.5x

Closed

Open

Closed

Open

Open

Open

CPU SPEED SELECTION (IBM 6X86MX)

CPU speed

Clock speed

Multiplier

J5/1

J5/2

J5/3

J6/1

J6/2

J6/3

233MHz

75MHz

2.5x

Open

Closed

Open

Closed

Closed

Open

233MHz

66MHz

3x

Closed

Open

Closed

Open

Closed

Open

266MHz

75MHz

3x

Open

Closed

Open

Open

Closed

Open

266MHz

66MHz

3.5x

Closed

Open

Closed

Open

Open

Open

CPU SPEED SELECTION (IDT)

CPU speed

Clock speed

Multiplier

J5/1

J5/2

J5/3

J6/1

J6/2

J6/3

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

Closed

Open

200MHz

66MHz

3x

Closed

Open

Closed

Open

Closed

Open

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

J5/1

J5/2

J5/3

J6/1

J6/2

J6/3

90MHz

60MHz

1.5x

Open

Closed

Closed

Open

Open

Open

100MHz

66MHz

1.5x

Closed

Open

Closed

Open

Open

Open

120MHz

60MHz

2x

Open

Closed

Closed

Closed

Open

Open

133MHz

66MHz

2x

Closed

Open

Closed

Closed

Open

Open

150MHz

60MHz

2.5x

Open

Closed

Closed

Closed

Closed

Open

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

Closed

Open

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

J5/1

J5/2

J5/3

J6/1

J6/2

J6/3

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

Closed

Open

200MHz

66MHz

3x

Closed

Open

Closed

Open

Closed

Open

233MHz

66MHz

3.5x

Closed

Open

Closed

Open

Open

Open

266MHz

66MHz

4x

Closed

Open

Closed

Closed

Open

Closed

300MHz

66MHz

4.5x

Closed

Open

Closed

Closed

Closed

Closed

333MHz

66MHz

5x

Closed

Open

Closed

Open

Closed

Closed

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

J5/1

J5/2

J5/3

J6/1

J6/2

J6/3

90MHz

60MHz

1.5x

Open

Closed

Closed

Open

Open

Open

100MHz

66MHz

1.5x

Closed

Open

Closed

Open

Open

Open

120MHz

60MHz

2x

Open

Closed

Closed

Closed

Open

Open

133MHz

66MHz

2x

Closed

Open

Closed

Closed

Open

Open

150MHz

60MHz

2.5x

Open

Closed

Closed

Closed

Closed

Open

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

Closed

Open

200MHz

66MHz

3x

Closed

Open

Closed

Open

Closed

Open

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

J5/1

J5/2

J5/3

J6/1

J6/2

J6/3

200MHz

66MHz

3x

Closed

Open

Closed

Open

Closed

Open

233MHz

66MHz

3.5x

Closed

Open

Closed

Open

Open

Open

266MHz

66MHz

4x

Closed

Open

Closed

Closed

Open

Closed

300MHz

66MHz

4.5x

Closed

Open

Closed

Closed

Closed

Closed

333MHz

66MHz

5x

Closed

Open

Closed

Open

Closed

Closed

CPU VOLTAGE SELECTION

Voltage

JP1/1

JP1/2

JP1/3

JP1/4

2.0

Open

Open

Open

Open

2.1

Closed

Open

Open

Open

2.2

Open

Closed

Open

Open

2.3

Closed

Closed

Open

Open

2.4

Open

Open

Closed

Open

2.5

Closed

Open

Closed

Open

2.6

Open

Closed

Closed

Open

2.7

Closed

Closed

Closed

Open

2.8

Open

Open

Open

Closed

2.9

Closed

Open

Open

Closed

3.0

Open

Closed

Open

Closed

3.1

Closed

Closed

Open

Closed

3.2

Open

Open

Closed

Closed

3.3

Closed

Open

Closed

Closed

3.4

Open

Closed

Closed

Closed

3.5

Closed

Closed

Closed

Closed