Asus P5B - Manual (Page 90)

4-18 Chapter 4: BIOS setup
Spread Spectrum [Auto]
Allows you to enable or disable the clock generator spread spectrum.
Configuration options: [Disabled] [Enabled] [Auto]
The following items also appear when the AI Tuning item is set to [AI N.O.S].
Memory Voltage [Auto]
Allows you to select the DDR2 reference voltage.
Configuration options: [Auto] [1.80V] [1.85V] [1.90V] [1.95V] [2.00V] [2.05V] [2.10V]
[2.15V] [2.25V] [2.30V] [2.35V] [2.40V] [2.45V]
Refer to the DDR2 documentation before adjusting the memory voltage. Setting a
very high memory voltage may damage the memory module(s)!
CPU VCore Voltage [Auto]
Allows you to select the CPU VCore voltage.
Configuration options: [Auto] [1.7000V] [1.6875V] [1.6750V] [1.6625V] [1.6500V]
[1.6375V] [1.6250V] [1.6125V] [1.6000V] [1.5875V] [1.5750V] [1.5625V] [1.5500V]
[1.5375V] [1.5250V] [1.5125V] [1.5000V] [1.4875V] [1.4750V] [1.4625V] [1.4500V]
[1.4375V] [1.4250V] [1.4125V] [1.4000V] [1.3875V] [1.3750V] [1.3625V] [1.3500V]
[1.3375V] [1.3250V] [1.3125V] [1.3000V] [1.2875V] [1.2750V] [1.2625V] [1.2500V]
[1.2375V] [1.2250V] [1.2125V] [1.2000V] [1.1875V] [1.1750V] [1.1625V] [1.1500V]
[1.1375V] [1.1250V] [1.1125V] [1.1000V]
Refer to the CPU documentation before setting the CPU Vcore voltage. Setting
a high Vcore voltage may damage the CPU!
FSB Termination Voltage [Auto]
Allows you to select the front side bus termination voltage.
Configuration options: [Auto] [1.200V] [1.300V] [1.400V] [1.450V]
Setting a high FSB termination voltage may damage the chipset and CPU.
NB VCore [Auto]
Configuration options: [Auto] [1.25V] [1.45V] [1.55V] [1.65V]
SB Vcore (SATA,PCIE) [Auto]
Configuration options: [Auto] [1.50V] [1.60V] [1.70V] [1.80V]
ICH Chipset Voltage [Auto]
Allows you to select the ICH Chipset Voltage.
Configuration options: [Auto] [1.057V] [1.215V]