Asus P5L 1394 - Manual (Page 80)

4-22 Chapter 4: BIOS setup
Spread Spectrum [Auto]
Enables or disables the clock generator spectrum.
Configuration options: [Auto] [Disabled] [Enabled]
Memory Voltage [Auto]
Allows you to select the DDR2 reference voltage.
Configuration options: [Auto] [1.80V] [1.90V] [1.95V] [2.00V]
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]
[1.6000V] [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]
Refer to the CPU documentation before setting the CPU Vcore voltage.
Setting a high Vcore voltage may damage the CPU!