2. CPU External Frequency Selection (DSW1 Switches 1-5)

This option tells the clock generator which frequency to send to the CPU, SDRAM and AGP clock, and sets the CPU’s External frequency. (The BUS Clock multiplied by the Frequency Multiple equals the CPU’s Internal frequency, or, the advertised CPU speed.)

IMPORTANT:

1.To use this feature, JEN must be set to Jumper Mode, [1-2]. (See 1, JumperFree™ Mode.)

DSW1

2 1

 

 

ON

 

2 1

 

 

ON

 

2 1

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

3

 

 

 

 

3

 

 

 

4

 

 

 

 

4

 

 

 

 

4

 

 

 

5

 

 

 

 

5

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P4T533

P4T533 CPU

External Frequency Selection

CPU 100.00MHz

105.00MHz

110.00MHz

AGP

67.00MHz

70.00MHz

73.00MHz

PCI

33.00MHz

35.00MHz

37.00MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 1

 

 

 

ON

 

 

2 1

 

 

 

ON

 

 

2 1

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

4

 

 

 

 

 

 

4

 

 

 

 

 

 

 

5

 

 

 

 

 

 

5

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU 115.00MHz

120.00MHz

133.00MHz

AGP

77.00MHz

80.00MHz

67.00MHz

PCI

38.00MHz

40.00MHz

33.00MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 1

 

 

 

ON

 

 

2 1

 

 

 

ON

 

 

2 1

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

 

 

 

 

3

 

 

 

 

 

 

 

4

 

 

 

 

 

 

4

 

 

 

 

 

 

4

 

 

 

 

 

 

 

5

 

 

 

 

 

 

5

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPU 136.00MHz

140.00MHz

145.00MHz

AGP

68.00MHz

70.00MHz

73.00MHz

PCI

34.00MHz

35.00MHz

36.00MHz

Frequency Table

 

 

MHz

 

 

 

DSW1

 

 

 

 

CPUAGPPCI

1

2

3

4

5

 

 

100

67

33

[OFF]

[OFF]

[OFF]

[OFF]

[OFF]

 

 

 

 

 

 

 

 

 

 

 

 

105

70

35

[OFF]

[ON]

[ON]

[OFF]

[OFF]

 

 

110

73

37

[OFF]

[OFF]

[ON]

[OFF]

[OFF]

 

 

115

77

38

[OFF]

[ON]

[OFF]

[ON]

[OFF]

 

 

120

80

40

[OFF]

[OFF]

[OFF]

[ON]

[OFF]

 

 

133

67

33

[OFF]

[OFF]

[OFF]

[OFF]

[ON]

 

 

136

68

34

[ON]

[OFF]

[OFF]

[OFF]

[ON]

 

 

 

 

 

 

 

 

 

 

 

 

140

70

35

[ON]

[ON]

[ON]

[OFF]

[ON]

 

 

145

73

36

[OFF]

[ON]

[OFF]

[ON]

[ON]

 

WARNING! Set the CPU AND DRAM frequencies only to the recommended settings. Frequencies other than the recommended CPU bus frequencies are not guaranteed to be stable. Overclocking the processor is not recommended, as it may result in a slower speed.

ASUS P4T533 motherboard user guide

23