14 south bridge voltage [auto, 15 load-line calibration [auto, 16 cpu gtl reference [auto – Asus P5Q SE/R User Manual
Page 85: 17 cpu spread spectrum [auto, 18 pcie spread spectrum [auto

ASUS P5Q SE
4-21
• Setting the CPU Voltage, FSB Termination Voltage, Memory Voltage
and North Bridge Voltage items to a high level may damage the chipset,
memory module and CPU permanently. Proceed with caution.
• Some values of the CPU Voltage, FSB Termination Voltage, Memory
Voltage and North Bridge Voltage items are labeled in different color,
indicating the risk levels of high voltage settings. Refer to the table below
for details.
• The system may need better cooling system to work stably under high
voltage settings.
Blue
Yellow
Purple
Red
CPU Voltage
1.50V~1.78V 1.80V~2.00V 2.02V~2.20V 2.22V~2.78V
FSB Termination Voltage 1.20V~1.38V 1.40V~1.90V N/A
N/A
Memory Voltage
1.80V~1.98V 2.00V~2.20V 2.22V~2.40V 2.42V~3.08V
North Bridge Voltage
1.10V~1.26V 1.28V~1.40V 1.42V~1.58V 1.60V~1.76V
4.4.14 South Bridge Voltage [Auto]
Allows you to set the South Bridge voltage. The values range from 1.50V to 1.70V
with a 0.20V interval.
4.4.15 Load-Line Calibration [Auto]
Allows you to select the CPU Load-Line mode. Set to [Disabled] to follow Intel
specifications, or to [Enabled] to improve CPU VDroop directly.
Configuration options: [Auto] [Disabled] [Enabled]
4.4.16 CPU GTL Reference [Auto]
Allows you to enable or set CPU GTL Reference. Set a very high voltage may
damage the component permanently, set a very low voltage may cause the
system to become unstable. Configuration options: [Auto] [0.667V] [0.65V] [0.63V]
[0.615V]
4.4.17 CPU Spread Spectrum [Auto]
Set to [Disabled] to enhance FSB overclocking ability or [Auto] for EMI control.
Configuration options: [Auto] [Disabled]
4.4.18 PCIE Spread Spectrum [Auto]
Set to [Disabled] to enhance PCIE overclocking ability or [Auto] for EMI control.
Configuration options: [Auto] [Disabled]