Asus P4B User Manual page 40

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 CPU Frequency
Multiple Selection
Figure 2-23
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
SWITCH
®
P4B
CPU Core:Bus Frequency Multiple
8.0x 10.0x 11.0x
13.0x 14.0x 15.0x
17.0x 18.0x 19.0x
21.0x 23.0x
22.0x
Chapter 2: Hardware information
12.0x
16.0x
20.0x
24.0x