Asus P4B 2.CPU Core:Bus frequency multiple (SWITCH Switches 1-4)

2.CPU Core:Bus frequency multiple (SWITCH Switches 1-4)

This option sets the frequency multiple between the CPU internal and external frequencies. This must be set in conjunction with the CPU Bus Frequency.

P4B

P4B CPU Frequency Multiple Selection

SWITCH

2 1		ON
3
4
5
6
7
8
10 9
	8.0x
2 1		ON
3
4
5
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8
10 9
13.0x
2 1		ON
3
4
5
6
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8
10 9
17.0x
2 1		ON
3
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7
8
10 9

21.0x

2 1	ON
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10 9
10.0x
2 1	ON
3
4
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8
10 9
14.0x
2 1	ON
3
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10 9
18.0x
2 1	ON
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4
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8
10 9

22.0x

2 1	ON
3
4
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8
10 9
11.0x
2 1	ON
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10 9
15.0x
2 1	ON
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10 9
19.0x
2 1	ON
3
4
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10 9

23.0x

2 1	ON
3
4
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10 9
12.0x
2 1	ON
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10 9
16.0x
2 1	ON
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10 9
20.0x
2 1	ON
3
4
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6
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8
10 9

24.0x

Figure 2-23 CPU Core:Bus Frequency Multiple

Make sure that the JEN jumper is set to jumper mode before setting the above switches.

The option to set the CPU core:bus frequency multiple is available only on unlocked CPUs. If you are using a locked CPU, setting the switches does not produce any effect.

2-18 Chapter 2: Hardware information