...because we can't all be on the bleeding edge...





PX5N

ABIT COMPUTER CORPORATION

PX5N

Device Type

Mainboard

Processor

CX 6X86/IBM 6X86/CX 6X86L/IBM 6X86L/CX 6X86MX/

IBM 6X86MX/AM K5/AM K6/Pentium/Pentium MMX

Processor Speed

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

Chip Set

Intel 430TX

Maximum Onboard Memory

256MB (EDO & SDRAM supported)

Cache

512KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

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

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

32-bit PCI slots

PC1 Ė PC4

CPU fan power

C1

Power LED & keylock

PN1/pins 1 - 5

Serial port 1

CN1

IDE interface LED

PN1/pins 7 & 8

Serial port 2

CN2

Soft off power supply

PN1/pins 10 & 11

Floppy drive interface

CN3

Green PC connector

PN1/pins 13 & 14

Parallel port

CN4

Reset switch

PN2/pins 1 & 2

IDE interface 2

CN5

Speaker

PN2/pins 4 Ė 7

IDE interface 1

CN6

Green PC LED

PN2/pins 9 & 10

PS/2 mouse port

CN7

USB connector

USB

IR connector

IR1

   

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

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 (CONíT)

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 SDRAM memory.

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

120MHz

50MHz

2x

On

Off

Off

Off

133MHz

55MHz

2x

On

Off

Off

Off

150MHz

60MHz

2x

On

Off

Off

Off

166MHz (N)

66MHz

2x

On

Off

Off

Off

166MHz (T)

66MHz

2x

On

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (CX 6X86, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

120MHz

50MHz

2x

Off

On

On

On

133MHz

55MHz

2x

Off

Off

On

On

150MHz

60MHz

2x

Off

On

On

Off

166MHz (N)

66MHz

2x

Off

On

Off

On

166MHz (T)

66MHz

2x

Off

Off

Off

Off

200MHz

75MHz

2x

Off

Off

On

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (IBM 6X86)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

120MHz

50MHz

2x

On

Off

Off

Off

133MHz

55MHz

2x

On

Off

Off

Off

150MHz

60MHz

2x

On

Off

Off

Off

166MHz (N)

66MHz

2x

On

Off

Off

Off

166MHz (T)

66MHz

2x

On

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (IBM 6X86, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

120MHz

50MHz

2x

Off

On

On

On

133MHz

55MHz

2x

Off

Off

On

On

150MHz

60MHz

2x

Off

On

On

Off

166MHz (N)

66MHz

2x

Off

On

Off

On

166MHz (T)

66MHz

2x

Off

Off

Off

Off

200MHz

75MHz

2x

Off

Off

On

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (CX 6X86L)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

120MHz

50MHz

2x

On

Off

Off

Off

133MHz

55MHz

2x

On

Off

Off

Off

150MHz

60MHz

2x

On

Off

Off

Off

166MHz (N)

66MHz

2x

On

Off

Off

Off

166MHz (T)

66MHz

2x

On

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (CX 6X86L, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

120MHz

50MHz

2x

Off

On

On

On

133MHz

55MHz

2x

Off

Off

On

On

150MHz

60MHz

2x

Off

On

On

Off

166MHz (N)

66MHz

2x

Off

On

Off

On

166MHz (T)

66MHz

2x

Off

Off

Off

Off

200MHz

75MHz

2x

Off

Off

On

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (IBM 6X86L)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

120MHz

50MHz

2x

On

Off

Off

Off

133MHz

55MHz

2x

On

Off

Off

Off

150MHz

60MHz

2x

On

Off

Off

Off

166MHz (N)

66MHz

2x

On

Off

Off

Off

166MHz (T)

66MHz

2x

On

Off

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (IBM 6X86L, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

120MHz

50MHz

2x

Off

On

On

On

133MHz

55MHz

2x

Off

Off

On

On

150MHz

60MHz

2x

Off

On

On

Off

166MHz (N)

66MHz

2x

Off

On

Off

On

166MHz (T)

66MHz

2x

Off

Off

Off

Off

200MHz

75MHz

2x

Off

Off

On

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (CX 6X86MX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

150MHz (N)

66MHz

2x

On

Off

Off

Off

150MHz (T)

66MHz

2.5x

On

On

Off

Off

166MHz

60MHz

2.5x

On

On

Off

Off

200MHz (N)

66MHz

2.5x

On

On

Off

Off

200MHz (T)

66MHz

2.5x

On

On

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

233MHz (N)

66MHz

3x

Off

On

Off

Off

233MHz (T)

66MHz

3x

Off

On

Off

Off

233MHz

75MHz

2.5x

On

On

Off

Off

233MHz

83MHz

2x

On

Off

Off

Off

266MHz (N)

66MHz

3.5x

Off

Off

Off

Off

266MHz (T)

66MHz

3.5x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (CX 6X86MX, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

150MHz (N)

66MHz

2x

Off

On

Off

On

150MHz (T)

66MHz

2.5x

Off

Off

Off

Off

166MHz

60MHz

2.5x

Off

On

On

Off

200MHz (N)

66MHz

2.5x

Off

On

Off

On

200MHz (T)

66MHz

2.5x

Off

Off

Off

Off

200MHz

75MHz

2x

Off

Off

On

Off

233MHz (N)

66MHz

3x

Off

On

Off

On

233MHz (T)

66MHz

3x

Off

Off

Off

Off

233MHz

75MHz

2.5x

Off

Off

On

Off

233MHz

83MHz

2x

Off

Off

Off

On

266MHz (N)

66MHz

3.5x

Off

On

Off

On

266MHz (T)

66MHz

3.5x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (IBM 6X86MX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

150MHz (N)

66MHz

2x

On

Off

Off

Off

150MHz (T)

66MHz

2.5x

On

On

Off

Off

166MHz

60MHz

2.5x

On

On

Off

Off

200MHz (N)

66MHz

2.5x

On

On

Off

Off

200MHz (T)

66MHz

2.5x

On

On

Off

Off

200MHz

75MHz

2x

On

Off

Off

Off

233MHz (N)

66MHz

3x

Off

On

Off

Off

233MHz (T)

66MHz

3x

Off

On

Off

Off

233MHz

75MHz

2.5x

On

On

Off

Off

233MHz

83MHz

2x

On

Off

Off

Off

266MHz (N)

66MHz

3.5x

Off

Off

Off

Off

266MHz (T)

66MHz

3.5x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (IBM 6X86MX, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

150MHz (N)

66MHz

2x

Off

On

Off

On

150MHz (T)

66MHz

2.5x

Off

Off

Off

Off

166MHz

60MHz

2.5x

Off

On

On

Off

200MHz (N)

66MHz

2.5x

Off

On

Off

On

200MHz (T)

66MHz

2.5x

Off

Off

Off

Off

200MHz

75MHz

2x

Off

Off

On

Off

233MHz (N)

66MHz

3x

Off

On

Off

On

233MHz (T)

66MHz

3x

Off

Off

Off

Off

233MHz

75MHz

2.5x

Off

Off

On

Off

233MHz

83MHz

2x

Off

Off

Off

On

266MHz (N)

66MHz

3.5x

Off

On

Off

On

266MHz (T)

66MHz

3.5x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (AM K5)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

75MHz

50MHz

1.5x

Off

Off

Off

Off

90MHz

60MHz

1.5x

Off

Off

Off

Off

100MHz (N)

66MHz

1.5x

Off

Off

Off

Off

100MHz (T)

66MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

2x

Off

Off

Off

Off

133MHz (N)

66MHz

2x

On

Off

Off

Off

133MHz (T)

66MHz

2x

On

Off

Off

Off

150MHz

60MHz

2.5x

On

On

Off

Off

166MHz (N)

60MHz

2.5x

On

On

Off

Off

166MHz (T)

66MHz

2.5x

On

On

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (AM K5, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

75MHz

50MHz

1.5x

Off

On

On

On

90MHz

60MHz

1.5x

Off

On

On

Off

100MHz (N)

66MHz

1.5x

Off

On

Off

On

100MHz (T)

66MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

2x

Off

On

On

Off

133MHz (N)

66MHz

2x

Off

On

Off

On

133MHz (T)

66MHz

2x

Off

Off

Off

Off

150MHz

60MHz

2.5x

Off

On

On

Off

166MHz (N)

60MHz

2.5x

Off

On

Off

On

166MHz (T)

66MHz

2.5x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (AM K6)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

166MHz (N)

66MHz

2.5x

On

On

Off

Off

166MHz (T)

66MHz

2.5x

On

On

Off

Off

200MHz (N)

66MHz

3x

Off

On

Off

Off

200MHz (T)

66MHz

3x

Off

On

Off

Off

233MHz (N)

66MHz

3.5x

Off

Off

Off

Off

233MHz (T)

66MHz

3.5x

Off

Off

Off

Off

266MHz (N)

66MHz

4x

On

Off

On

Off

266MHz (T)

66MHz

4x

On

Off

On

Off

300MHz (N)

66MHz

4.5x

On

On

On

Off

300MHz (T)

66MHz

4.5x

On

On

On

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (AM K6, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

166MHz (N)

66MHz

2.5x

Off

On

Off

On

166MHz (T)

66MHz

2.5x

Off

Off

Off

Off

200MHz (N)

66MHz

3x

Off

On

Off

On

200MHz (T)

66MHz

3x

Off

Off

Off

Off

233MHz (N)

66MHz

3.5x

Off

On

Off

On

233MHz (T)

66MHz

3.5x

Off

Off

Off

Off

266MHz (N)

66MHz

4x

Off

On

Off

On

266MHz (T)

66MHz

4x

Off

Off

Off

Off

300MHz (N)

66MHz

4.5x

Off

On

Off

On

300MHz (T)

66MHz

4.5x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

75MHz

50MHz

1.5x

Off

Off

Off

Off

90MHz

60MHz

1.5x

Off

Off

Off

Off

100MHz (N)

66MHz

1.5x

Off

Off

Off

Off

100MHz (T)

66MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

2x

On

Off

Off

Off

133MHz (N)

66MHz

2x

On

Off

Off

Off

133MHz (T)

66MHz

2x

On

Off

Off

Off

150MHz

60MHz

2.5x

On

On

Off

Off

166MHz (N)

66MHz

2.5x

On

On

Off

Off

166MHz (T)

66MHz

2.5x

On

On

Off

Off

200MHz (N)

66MHz

3x

Off

On

Off

Off

200MHz (T)

66MHz

3x

Off

On

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (INTEL, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

75MHz

50MHz

1.5x

Off

On

On

On

90MHz

60MHz

1.5x

Off

On

On

Off

100MHz (N)

66MHz

1.5x

Off

On

Off

On

100MHz (T)

66MHz

1.5x

Off

Off

Off

Off

120MHz

60MHz

2x

Off

On

On

Off

133MHz (N)

66MHz

2x

Off

On

Off

On

133MHz (T)

66MHz

2x

Off

Off

Off

Off

150MHz

60MHz

2.5x

Off

On

On

Off

166MHz (N)

66MHz

2.5x

Off

On

Off

On

166MHz (T)

66MHz

2.5x

Off

Off

Off

Off

200MHz (N)

66MHz

3x

Off

On

Off

On

200MHz (T)

66MHz

3x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (INTEL MMX)

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

166MHz (N)

66MHz

2.5x

On

On

Off

Off

166MHz (T)

66MHz

2.5x

On

On

Off

Off

200MHz (N)

66MHz

3x

Off

On

Off

Off

200MHz (T)

66MHz

3x

Off

On

Off

Off

233MHz (N)

66MHz

3.5x

Off

Off

Off

Off

233MHz (T)

66MHz

3.5x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU SPEED SELECTION (INTEL MMX, CONíT)

CPU speed

Clock speed

Multiplier

SW1/5

SW1/6

SW1/7

SW1/8

166MHz (N)

66MHz

2.5x

Off

On

Off

On

166MHz (T)

66MHz

2.5x

Off

Off

Off

Off

200MHz (N)

66MHz

3x

Off

On

Off

On

200MHz (T)

66MHz

3x

Off

Off

Off

Off

233MHz (N)

66MHz

3.5x

Off

On

Off

On

233MHz (T)

66MHz

3.5x

Off

Off

Off

Off

Note: N = normal mode. T = turbo mode.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

SW2/8

3.3v

On

Off

On

On

Off

Off

On

Off

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

SW2/1

SW2/2

SW2/3

SW2/4

3.38v

2.0v

Off

Off

Off

Off

3.38v

2.1v

On

Off

Off

Off

3.38v

2.2v

Off

On

Off

Off

3.38v

2.3v

On

On

Off

Off

3.38v

2.4v

Off

Off

On

Off

3.38v

2.5v

On

Off

On

Off

3.38v

2.6v

Off

On

On

Off

3.38v

2.7v

On

On

On

Off

3.38v

2.8v

Off

Off

Off

On

3.38v

2.9v

On

Off

Off

On

3.38v

3.2v

Off

Off

On

On

3.3v

3.4v

Off

On

On

On

3.3v

3.5v

On

On

On

On

CPU VOLTAGE SELECTION (DUAL, CONíT)

Voltage

V core

SW2/5

SW2/6

SW2/7

SW2/8

3.38v

2.0v

Off

Off

Off

On

3.38v

2.1v

Off

Off

Off

On

3.38v

2.2v

Off

Off

Off

On

3.38v

2.3v

Off

Off

Off

On

3.38v

2.4v

Off

Off

Off

On

3.38v

2.5v

Off

Off

Off

On

3.38v

2.6v

Off

Off

Off

On

3.38v

2.7v

Off

Off

Off

On

3.38v

2.8v

Off

Off

Off

On

3.38v

2.9v

Off

Off

Off

On

3.38v

3.2v

Off

Off

Off

On

3.3v

3.4v

Off

Off

On

Off

3.3v

3.5v

Off

Off

On

Off