INSTALLATION .III (Jumpers)

III.INSTALLATION2.CPU Bus Frequency (FS0, FS1, FS2)

This option tells the clock generator what frequency to send to the CPU. This allows the selection of the CPU’s External frequency (or BUS Clock). The BUS Clock multiplied by the BUS Ratio equals the CPU’s Internal frequency (the advertised CPU speed).

3.CPU Core:BUS Frequency Multiple (BF0, BF1, BF2, BF3)

This option sets the frequency ratio between the Internal frequency of the CPU and the CPU’s External frequency. These must be set in conjunction with the CPU Bus Frequency.

FS2 FS1

FS0

FS2 FS1 FS0

 

FS2

FS1 FS0

FS2 FS1 FS0

 

 

 

 

1

 

1

 

1

 

1

 

 

 

 

2

 

2

 

2

 

2

 

 

 

 

3

 

3

 

3

 

3

 

 

 

60MHz

66MHz

 

75MHz

83MHz

 

 

 

CPU Bus Frequency

 

 

 

 

 

1 2

3

1 2

3

 

1 2

3

1 2

3

1 2

3

 

BF3

 

BF3

BF3

 

BF3

 

BF3

 

BF2

 

BF2

BF2

 

BF2

 

BF2

 

BF1

 

BF1

BF1

 

BF1

 

BF1

 

BF0

 

BF0

BF0

 

BF0

 

BF0

2.0x(2/1)

3.5x(7/2)

4.0x(4/1)

4.5x(9/2)

5.0x(5/1)

CPU Core:Bus Frequency Multiple

WARNING! Frequencies above 66Mhz exceed the specifications for the onboard Intel Chipset and are not guaranteed to be stable.

Intel Pentium II Processor in a SEC Cartridge

(233-333MHz 256/512KB L2 Cache)

Set the jumpers by the Internal speed of your processor as follows:

CPU Model

Freq.

 

 

 

 

 

(BUS Freq.)

 

(Freq.

 

Ratio)

 

 

 

 

 

 

 

 

 

 

 

 

 

Ratio

BUS F.

FS2

FS1

FS0

BF3

BF2

BF1

BF0

Intel Pentium II

333MHz

5.0x

66MHz

[1-2] [1-2] [1-2]

[2-3]

[1-2] [1-2] [2-3]

Intel Pentium II

300MHz

4.5x

66MHz

[1-2]

[1-2]

[1-2]

[2-3]

[1-2]

 

[2-3]

[1-2]

Intel Pentium II

266MHz

4.0x

66MHz

[1-2]

[1-2]

[1-2]

[2-3]

[1-2]

 

[2-3]

[2-3]

Intel Pentium II

233MHz

3.5x

66MHz

[1-2]

[1-2]

[1-2]

[2-3]

[2-3]

 

[1-2]

[1-2]

NOTES: Overclocking your processor is not recommended. It may result in a slower speed. Voltage Regulator Output Selection (VID) is not needed for the Pentium II processor because it sends a VID signal directly to the onboard power controller.

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ASUS P2L97 User’s Manual