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Chapter 2: Hardware information
2. CPU Core:Bus frequency multiple (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.
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.
®
P4B-E
SWITCH
P4B-E CPU Frequency
Multiple Selection
ON
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21.0x 22.0x 23.0x 24.0x
17.0x 18.0x 19.0x 20.0x
13.0x 14.0x 15.0x 16.0x
8.0x 10.0x 11.0x 12.0x
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