5I-TX2A

LUCKY STAR TECHNOLOGY CO., LTD.

5I-TX2A

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

256MB (EDO & SDRAM supported)

Cache

256/512KB

BIOS

Award

Dimensions

220mm x 190mm

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

Chassis fan power

C1

USB connector

CN7

IDE interface 1

CN1

PS/2 mouse interface

CN8

IDE interface 2

CN2

IR connector

CN9

Floppy drive interface

CN3

Front panel connector

J13

Parallel port

CN4

32-bit PCI slots

PC1 – PC4

Serial port

CN5

USER CONFIGURABLE SETTINGS

Function

Label

Position

Power supply type select AT

JP9

Pins 2 & 3 closed

Power supply type select ATX

JP9

Pins 1 & 2 closed

»

CMOS memory normal operation

JP10

Pins 1 & 2 closed

CMOS memory clear

JP10

Pins 2 & 3 closed

Flash BIOS voltage select 12v

JP13

Pins 2 & 3 closed

Flash BIOS voltage select 5v

JP13

Pins 1 & 2 closed

SIMM CONFIGURATION

Size

Bank 2

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

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

DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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 EDO memory.

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

JP7

120MHz

50MHz

2x

1 & 2

1 & 2

1 & 2

1 & 2

133MHz

55MHz

2x

1 & 2

2 & 3

1 & 2

1 & 2

150MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

1 & 2

166MHz

66MHz

2x

1 & 2

1 & 2

2 & 3

1 & 2

200MHz

75MHz

2x

2 & 3

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP7

133MHz

55MHz

2x

1 & 2

2 & 3

1 & 2

1 & 2

150MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

1 & 2

166MHz

66MHz

2x

1 & 2

1 & 2

2 & 3

1 & 2

200MHz

75MHz

2x

2 & 3

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP7

166MHz

60MHz

2.5x

2 & 3

1 & 2

1 & 2

1 & 2, 3 & 4

166MHz

66MHz

2x

1 & 2

1 & 2

2 & 3

1 & 2

200MHz

75MHz

2x

2 & 3

2 & 3

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP7

75MHz

50MHz

1.5x

1 & 2

1 & 2

1 & 2

Open

90MHz

60MHz

1.5x

2 & 3

1 & 2

1 & 2

Open

100MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

Open

120MHz

60MHz

1.5x

2 & 3

1 & 2

1 & 2

Open

133MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

Open

150MHz

60MHz

2.5x

2 & 3

1 & 2

1 & 2

1 & 2, 3 & 4

166MHz

66MHz

2.5x

1 & 2

1 & 2

2 & 3

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

JP7

166MHz

66MHz

2.5x

1 & 2

1 & 2

2 & 3

1 & 2, 3 & 4

200MHz

66MHz

3x

1 & 2

1 & 2

2 & 3

3 & 4

233MHz

66MHz

3.5x

1 & 2

1 & 2

2 & 3

Open

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP7

75MHz

50MHz

1.5x

1 & 2

1 & 2

1 & 2

Open

90MHz

60MHz

1.5x

2 & 3

1 & 2

1 & 2

Open

100MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

Open

120MHz

60MHz

2x

2 & 3

1 & 2

1 & 2

1 & 2

133MHz

66MHz

2x

1 & 2

1 & 2

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

1 & 2

1 & 2

1 & 2, 3 & 4

166MHz

66MHz

2.5x

1 & 2

1 & 2

2 & 3

1 & 2, 3 & 4

180MHz

60MHz

3x

2 & 3

1 & 2

1 & 2

3 & 4

200MHz

66MHz

3x

1 & 2

1 & 2

2 & 3

3 & 4

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

JP2

JP3

JP4

JP7

166MHz

66MHz

2.5x

1 & 2

1 & 2

2 & 3

1 & 2, 3 & 4

200MHz

66MHz

3x

1 & 2

1 & 2

2 & 3

3 & 4

233MHz

66MHz

3.5x

1 & 2

1 & 2

2 & 3

Open

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

JP11

3.3v

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

3.52v

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

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

JP11

3.3v

2.8v

Pins 5 & 6 closed

3.3v

2.9v

Pins 3 & 4, 5 & 6 closed

3.3v

3.2v

Pins 3 & 4, 7 & 8 closed

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	256MB (EDO & SDRAM supported)
Cache	256/512KB
BIOS	Award
Dimensions	220mm x 190mm
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
Chassis fan power	C1	USB connector	CN7
IDE interface 1	CN1	PS/2 mouse interface	CN8
IDE interface 2	CN2	IR connector	CN9
Floppy drive interface	CN3	Front panel connector	J13
Parallel port	CN4	32-bit PCI slots	PC1 – PC4
Serial port	CN5

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Power supply type select AT	JP9	Pins 2 & 3 closed
	Power supply type select ATX	JP9	Pins 1 & 2 closed
»	CMOS memory normal operation	JP10	Pins 1 & 2 closed
	CMOS memory clear	JP10	Pins 2 & 3 closed
	Flash BIOS voltage select 12v	JP13	Pins 2 & 3 closed
	Flash BIOS voltage select 5v	JP13	Pins 1 & 2 closed

SIMM CONFIGURATION
Size	Bank 2
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
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

DIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
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 EDO memory.

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	JP7
120MHz	50MHz	2x	1 & 2	1 & 2	1 & 2	1 & 2
133MHz	55MHz	2x	1 & 2	2 & 3	1 & 2	1 & 2
150MHz	60MHz	2x	2 & 3	1 & 2	1 & 2	1 & 2
166MHz	66MHz	2x	1 & 2	1 & 2	2 & 3	1 & 2
200MHz	75MHz	2x	2 & 3	2 & 3	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86L)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7
133MHz	55MHz	2x	1 & 2	2 & 3	1 & 2	1 & 2
150MHz	60MHz	2x	2 & 3	1 & 2	1 & 2	1 & 2
166MHz	66MHz	2x	1 & 2	1 & 2	2 & 3	1 & 2
200MHz	75MHz	2x	2 & 3	2 & 3	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (CX 6X86MX)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7
166MHz	60MHz	2.5x	2 & 3	1 & 2	1 & 2	1 & 2, 3 & 4
166MHz	66MHz	2x	1 & 2	1 & 2	2 & 3	1 & 2
200MHz	75MHz	2x	2 & 3	2 & 3	1 & 2	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7
75MHz	50MHz	1.5x	1 & 2	1 & 2	1 & 2	Open
90MHz	60MHz	1.5x	2 & 3	1 & 2	1 & 2	Open
100MHz	66MHz	1.5x	1 & 2	1 & 2	2 & 3	Open
120MHz	60MHz	1.5x	2 & 3	1 & 2	1 & 2	Open
133MHz	66MHz	1.5x	1 & 2	1 & 2	2 & 3	Open
150MHz	60MHz	2.5x	2 & 3	1 & 2	1 & 2	1 & 2, 3 & 4
166MHz	66MHz	2.5x	1 & 2	1 & 2	2 & 3	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	JP7
166MHz	66MHz	2.5x	1 & 2	1 & 2	2 & 3	1 & 2, 3 & 4
200MHz	66MHz	3x	1 & 2	1 & 2	2 & 3	3 & 4
233MHz	66MHz	3.5x	1 & 2	1 & 2	2 & 3	Open
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7
75MHz	50MHz	1.5x	1 & 2	1 & 2	1 & 2	Open
90MHz	60MHz	1.5x	2 & 3	1 & 2	1 & 2	Open
100MHz	66MHz	1.5x	1 & 2	1 & 2	2 & 3	Open
120MHz	60MHz	2x	2 & 3	1 & 2	1 & 2	1 & 2
133MHz	66MHz	2x	1 & 2	1 & 2	2 & 3	1 & 2
150MHz	60MHz	2.5x	2 & 3	1 & 2	1 & 2	1 & 2, 3 & 4
166MHz	66MHz	2.5x	1 & 2	1 & 2	2 & 3	1 & 2, 3 & 4
180MHz	60MHz	3x	2 & 3	1 & 2	1 & 2	3 & 4
200MHz	66MHz	3x	1 & 2	1 & 2	2 & 3	3 & 4
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX)
CPU speed	Clock speed	Multiplier	JP2	JP3	JP4	JP7
166MHz	66MHz	2.5x	1 & 2	1 & 2	2 & 3	1 & 2, 3 & 4
200MHz	66MHz	3x	1 & 2	1 & 2	2 & 3	3 & 4
233MHz	66MHz	3.5x	1 & 2	1 & 2	2 & 3	Open
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)
Voltage	JP11
3.3v	Pins 1 & 2, 5 & 6, 7 & 8 closed
3.52v	Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed

CPU VOLTAGE SELECTION (DUAL)
Voltage	V core	JP11
3.3v	2.8v	Pins 5 & 6 closed
3.3v	2.9v	Pins 3 & 4, 5 & 6 closed
3.3v	3.2v	Pins 3 & 4, 7 & 8 closed