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4-22 Chapter 4: BIOS setup
CPU Voltage Refernece [Auto]
Conguration options: [Auto] [0.63V] [0.61V] [0.59V] [0.57V]
North Bridge Voltage Refernece [Auto]
Conguration 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.
Conguration 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.
Conguration 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.
Conguration 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
conguration eld 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 denition.
Conguration 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]
Conguration options: [Enabled] [Disabled]
Clock Over-Charging Voltage [Auto]
Conguration 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].
Conguration options: [NB Volt] [FSBT Volt]