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5I-TX12

LUCKY STAR TECHNOLOGY CO., LTD.

5I-TX12

Device Type

Mainboard

Processor

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

Processor Speed

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

Chip Set

Intel 430TX

Maximum Onboard Memory

128MB (EDO & SDRAM supported)

Cache

256/512KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

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

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Serial port

CN6

IDE interface 1

CN1

USB connector

CN7

IDE interface 2

CN2

PS/2 mouse interface

CN8

Floppy drive interface

CN3

IR connector

CN9

Parallel port

CN4

Front panel connector

JP11

Serial port

CN5

32-bit PCI slots

PC1 – PC4

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP5/pins 5 & 6

Unidentified

»

CMOS memory normal operation

JP10

Pins 1 & 2 closed

 

CMOS memory clear

JP10

Pins 2 & 3 closed

 

Flash BIOS voltage select 12v

JP12

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JP12

Pins 1 & 2 closed

 

WIN95 software power down enabled

JP17

Closed

 

WIN95 software power down disabled

JP17

Open

 

Power supply type select AT

JP18

Open

 

Power supply type select ATX

JP18

Closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M 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

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

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

DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

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) 8M x 64

(1) 8M x 64

DIMM VOLTAGE CONFIGURATION

Voltage

JP1

3.3v

Pins 3 & 5, 4 & 6 closed

5v

Pins 1 & 3, 2 & 4 closed

CACHE CONFIGURATION

Size

Bank 0

256KB

(2) 32K x 32

512KB

(2) 64K x 32

CPU SPEED SELECTION (CX 6X86)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP5

120MHz

50MHz

2x

Closed

Closed

Closed

1 & 2

150MHz

60MHz

2x

Open

Open

Closed

1 & 2

166MHz

66MHz

2x

Open

Open

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP5

150MHz

60MHz

2x

Open

Open

Closed

1 & 2

166MHz

66MHz

2x

Open

Open

Open

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP5

166MHz

60MHz

2.5x

Open

Open

Closed

1 & 2, 3 & 4

166MHz

66MHz

2x

Open

Open

Open

1 & 2

200MHz

66MHz

2.5x

Open

Open

Open

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP5

75MHz

50MHz

1.5x

Closed

Closed

Closed

Open

90MHz

60MHz

1.5x

Open

Open

Closed

Open

100MHz

66MHz

1.5x

Open

Open

Open

Open

120MHz

60MHz

1.5x

Open

Open

Closed

Open

133MHz

66MHz

1.5x

Open

Open

Open

Open

166MHz

66MHz

2.5x

Open

Open

Open

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP5

166MHz

66MHz

2.5x

Open

Open

Open

1 & 2, 3 & 4

200MHz

66MHz

3x

Open

Open

Open

3 & 4

233MHz

66MHz

3.5x

Open

Open

Open

Open

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP5

75MHz

50MHz

1.5x

Closed

Closed

Closed

Open

90MHz

60MHz

1.5x

Open

Open

Closed

Open

100MHz

66MHz

1.5x

Open

Open

Open

Open

120MHz

60MHz

2x

Open

Open

Closed

1 & 2

133MHz

66MHz

2x

Open

Open

Open

1 & 2

150MHz

60MHz

2.5x

Open

Open

Closed

1 & 2, 3 & 4

166MHz

66MHz

2.5x

Open

Open

Open

1 & 2, 3 & 4

180MHz

60MHz

3x

Open

Open

Closed

3 & 4

200MHz

66MHz

3x

Open

Open

Open

3 & 4

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP5

166MHz

66MHz

2.5x

Open

Open

Open

1 & 2, 3 & 4

200MHz

66MHz

3x

Open

Open

Open

3 & 4

233MHz

66MHz

3.5x

Open

Open

Open

Open

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP7

JP8

Single voltage

Closed

Open

Dual voltage

Open

Pins 1 & 2, 3 & 4 closed

CPU VOLTAGE SELECTION

Voltage

JP9

2.0v

Open

2.1v

Pins 1 & 2 closed

2.5v

Pins 1 & 2, 5 & 6 closed

2.8v

Pins 7 & 8 closed

2.9v

Pins 1 & 2, 7 & 8 closed

3.0v

Pins 3 & 4, 7 & 8 closed

3.1v

Pins 1 & 2, 3 & 4, 7 & 8 closed

3.2v

Pins 5 & 6, 7 & 8 closed

3.3v

Pins 1 & 2, 5 & 6, 7 & 8 closed

3.5v

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