Asus Maximus Formula - Manual (Page 94)

4-22 Chapter 4: BIOS setup
DDR2 Controller REF Voltage [Auto]
Allows you to manually set the memory voltage, or you can set to [Auto] for the
safe mode.
Configuration options: [DDR2_REF-30mv] [DDR2_REF-20mv] [DDR2_REF-10mv]
[DDR2_REF] [DDR2_REF+10mv] [DDR2_REF+20mv] [DDR2_REF+30mv]
SB 1.5V Voltage [Auto]
Allows you to select the southbridge 1.5V voltage. The text color in the
configuration field indicates voltage condition. When you set the SB LED
Selection item to [SB 1.5 Volt], the onboard southbridge LED displays southbridge
1.5V voltage condition. Refer to page 2-2 for southbridge LED definition.
Configuration options: [Auto] [1.50V] [1.55V] [1.60V] [1.65V] [1.70V] [1.75V] [1.80V]
[1.85V] [1.90V] [1.95V] [2.00V] [2.05V]
NB LED Selection [NB Volt]
Allows you to switch the onboard northbridge LED display between northbridge
voltage [NB Volt] and front side bus termination voltage [FSBT Volt].
Configuration options: [NB Volt] [FSBT Volt]
SB LED Selection [SB Volt]
Allows you to switch the onboard southbridge LED display between southbridge
voltage [SB Volt] and southbridge 1.5V voltage [SB 1.5 Volt].
Configuration options: [SB 1.5 Volt] [SB Volt]
CPU LED [CPU Volt]
Allows you to switch the onboard CPU LED display between CPU voltage [CPU
Volt] and CPU PLL voltage [PLL Volt].
Configuration options: [CPU Volt] [PLL Volt]
Voltiminder LED [Enabled]
Enables or disables the onboard Voltiminder LED.
Configuration options: [Enabled] [Disabled]
CPU Spread Spectrum [Auto]
Allows you to enable or disable the CPU spread spectrum.
Configuration options: [Auto] [Disabled]
PCIE Spread Spectrum [Auto]
Allows you to enable or disable the PCIE spread spectrum.
Configuration options: [Auto] [Disabled]