LUCKY STAR TECHNOLOGY CO., LTD.

5V-1A (VER. 2.2A)

Device Type

Mainboard

Processor

CX 6X86/CX 6X86L/CX 686MX/CX MII/AM K5/AM K6/Pentium/ Pentium MMX

Processor Speed

75/90/100/120/133/150/166/180/200/233/266/300MHz

Chip Set

VIA Apollo VPX

Video Chip Set

None

Maximum Onboard Memory

512MB (EDO & SDRAM supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

225mm 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), IR connector, USB connectors (2)

CONNECTIONS

Purpose

Location

Purpose

Location

IR connector

CN1

Green PC LED

CN10/pins 13 & 14

PS/2 mouse interface

CN4

Green PC connector

CN10/pins 15 & 16

USB connector

CN5

IDE interface LED

CN10/pins 17 & 18

USB connector

CN6

Turbo LED

CN11

Parallel port

CN8

IDE interface 2

CN12

Floppy drive interface

CN9

IDE interface 1

CN13

Power LED & keylock

CN10/pins 1 – 5

Serial port 2

CN14

Speaker

CN10/pins 6 - 10

Serial port 1

CN15

Reset switch

CN10/pins 11 & 12

32-bit PCI slots

PC1 – PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JBAT

Pins 1 & 2 closed

 

CMOS memory clear

JBAT

Pins 2 & 3 closed

 

PCI CLK select synchronous

JCK4

Pins 1 & 2 closed

 

PCI CLK select asynchronous

JCK4

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JROM

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JROM

Pins 1 & 2 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 1

Bank 2

16MB

(1) 2M x 64

None

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

DIMM CONFIGURATION (CON’T)

Size

Bank 1

Bank 2

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

Note: Board accepts SDRAM memory.

DIMM VOLTAGE CONFIGURATION

Voltage

JD1

3.3v

Pins 5 & 7, 6 & 8 closed

5v

Pins 1 & 3, 2 & 4 closed

CACHE CONFIGURATION

Note: The location of the cache is unidentified.

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JBFO

JBF1

JBF2

JCK1

JCK2

JCK3

120MHz

50MHz

2x

Closed

Open

Open

2 & 3

2 & 3

2 & 3

133MHz

55MHz

2x

Closed

Open

Open

2 & 3

2 & 3

1 & 2

150MHz

60MHz

2x

Closed

Open

Open

1 & 2

2 & 3

2 & 3

166MHz

66MHz

2x

Closed

Open

Open

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JBFO

JBF1

JBF2

JCK1

JCK2

JCK3

133MHz

55MHz

2x

Closed

Open

Open

2 & 3

2 & 3

1 & 2

150MHz

60MHz

2x

Closed

Open

Open

1 & 2

2 & 3

2 & 3

166MHz

66MHz

2x

Closed

Open

Open

2 & 3

1 & 2

2 & 3

200MHz

75MHz

2x

Closed

Open

Open

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JBFO

JBF1

JBF2

JCK1

JCK2

JCK3

166MHz

66MHz

2x

Closed

Open

Open

2 & 3

1 & 2

2 & 3

200MHz

75MHz

2x

Closed

Open

Open

1 & 2

2 & 3

1 & 2

233MHz

75MHz

2.5x

Closed

Closed

Open

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX M II)

CPU speed

Clock speed

Multiplier

JBFO

JBF1

JBF2

JCK1

JCK2

JCK3

300MHz

66MHz

3.5x

Open

Open

Open

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JBFO

JBF1

JBF2

JCK1

JCK2

JCK3

75MHz

50MHz

1.5x

Open

Open

Open

2 & 3

2 & 3

2 & 3

90MHz

60MHz

1.5x

Open

Open

Open

1 & 2

2 & 3

2 & 3

100MHz

66MHz

1.5x

Open

Open

Open

2 & 3

1 & 2

2 & 3

120MHz

60MHz

1.5x

Open

Open

Open

1 & 2

2 & 3

2 & 3

133MHz

66MHz

1.5x

Open

Open

Open

2 & 3

1 & 2

2 & 3

166MHz

66MHz

2.5x

Closed

Closed

Open

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JBFO

JBF1

JBF2

JCK1

JCK2

JCK3

166MHz

66MHz

2.5x

Closed

Closed

Open

2 & 3

1 & 2

2 & 3

200MHz

66MHz

3x

Open

Closed

Open

2 & 3

1 & 2

2 & 3

233MHz

66MHz

3.5x

Open

Open

Open

2 & 3

1 & 2

2 & 3

266MHz

66MHz

4x

Closed

Open

Closed

2 & 3

1 & 2

2 & 3

300MHz

66MHz

4.5x

Closed

Closed

Closed

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JBFO

JBF1

JBF2

JCK1

JCK2

JCK3

75MHz

50MHz

1.5x

Open

Open

Open

2 & 3

2 & 3

2 & 3

90MHz

60MHz

1.5x

Open

Open

Open

1 & 2

2 & 3

2 & 3

100MHz

66MHz

1.5x

Open

Open

Open

2 & 3

1 & 2

2 & 3

120MHz

60MHz

2x

Closed

Open

Open

1 & 2

2 & 3

2 & 3

133MHz

66MHz

2x

Closed

Open

Open

2 & 3

1 & 2

2 & 3

150MHz

60MHz

2.5x

Closed

Closed

Open

1 & 2

2 & 3

2 & 3

166MHz

66MHz

2.5x

Closed

Closed

Open

2 & 3

1 & 2

2 & 3

180MHz

60MHz

3x

Open

Closed

Open

1 & 2

2 & 3

2 & 3

200MHz

66MHz

3x

Open

Closed

Open

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JBFO

JBF1

JBF2

JCK1

JCK2

JCK3

166MHz

66MHz

2.5x

Closed

Closed

Open

2 & 3

1 & 2

2 & 3

200MHz

66MHz

3x

Open

Closed

Open

2 & 3

1 & 2

2 & 3

233MHz

66MHz

3.5x

Open

Open

Open

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JPW1

JV1

JV2

3.3v

1 & 2, 5 & 6, 7 & 8

Open

1 & 2

3.4v – 3.6v

1 & 2, 3 & 4, 5 & 6, 7 & 8

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JPW1

JV1

JV2

3.3v

2.2v

1 & 2, 7 & 8

1 & 2, 3 & 4

2 & 3

3.3v

2.8v

7 & 8

1 & 2, 3 & 4

1 & 2

3.3v

2.9v

1 & 2, 7 & 8

1 & 2, 3 & 4

1 & 2

3.3v

3.2v

5 & 6, 7 & 8

1 & 2, 3 & 4

1 & 2

Note: Pins designated should be in the closed position.