Asus Rampage IV Extreme - Manual (Page 102)

3-16 Chapter 3: BIOS setup
Chapter 3
VTTDDR Voltage (CHA, CHB) [Auto]
Allows you to set the VTTDDR voltage for DRAM channel A and B. The values range from for DRAM channel A and B. The values range from . The values range from
0.6250V to 1.1000V with a 0.00625V interval.
VTTDDR Voltage (CHC, CHD) [Auto]
Allows you to set the VTTDDR voltage for DRAM channel C and D. The values range from for DRAM channel C and D. The values range from . The values range from
0.6250V to 1.1000V with a 0.00625V interval.
CPU Spread Spectrum [Auto]
[Auto] Set to auto mode.
[Disabled] Enhances the BCLK overclocking ability.
[Enabled] Sets to [Enabled] for EMI control.
PCIE Spread Spectrum [Auto]
[Auto] Set to auto mode.
[Disabled] Enhances the PCIE overclocking ability.
[Enabled] Sets to [Enabled] for EMI control.
CPU Tweakers’ Paradise
PCIE Controller Voltage (PEV) [Auto]
Configuration options: [-63] – [-1] [Auto] [+1] – [+63]
QPI Controller Voltage (QPIV) [Auto]
Configuration options: [-63] – [-1] [Auto] [+1] – [+63]
QPI Controller Drive Strength (PEV) [Auto]
Configuration options: [-63] – [-1] [Auto] [+1] – [+63]