CPU Voltage Refernece [Auto]

Configuration options: [Auto] [0.63V] [0.61V] [0.59V] [0.57V]

North Bridge Voltage Refernece [Auto]

Configuration options: [Auto] [0.67V] [0.63V] [0.60V] [0.57V] [0.56V] [0.53V] [0.51V] [0.49V]

DDR2 Channel A 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]

DDR2 Channel B 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] [DDRII_REF+10mv] [DDR2_REF+20mv] [DDR2_REF+30mv]

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]

VCC EXT PLL Over Voltage [Disabled]

Configuration options: [Enabled] [Disabled]

Clock Over-Charging Voltage [Auto]

Configuration options: [0.70V] [0.80V] [0.90V] [1.00V]

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]

4-22

Chapter 4: BIOS setup