Chapter 3 – Asus SABERTOOTH X79 User Manual
Page 78
3-16
Chapter 3: BIOS setup
Chapter 3
VTTCPU Voltage [Auto]
Allows you to set the VTTCPU voltage. The values range from 1.05V to 1.70V with a
0.00625V interval.
PCH 1.1v Voltage [Auto]
Allows you to set the 1.1v Platform Controller Hub voltage. The values range from 1.10V to
1.70V with a 0.00625V interval.
PCH 1.5v Voltage [Auto]
Allows you to set the 1.5v Platform Controller Hub voltage. The values range from 1.50V to
1.80V with a 0.00625V interval.
VTTDDR Voltage (CHA, CHB) [Auto]
Allows you to set the CHA, CHB VTTDDR voltage. The values range from 0.6250V to 1.10V
with a 0.00625V interval.
VTTDDR Voltage (CHC, CHD) [Auto]
Allows you to set the CHC, CHD VTTDDR voltage. The values range from 0.6250V to 1.10V
with a 0.00625V interval.
DRAM CTRL REF Voltage on CHA/B/C/D [Auto]
The values range from 0.3950x to 0.6300x with a 0.0050x interval.
DRAM DATA REF Voltage on CHA/B/C/D [Auto]
The values range from 0.3950x to 0.6300x with a 0.0050x interval.
DRAM Read REF Voltage on CHA/B/C/D [Auto]
The values range from 0.38500x to 0.61500x with a 0.0050x interval.
CPU Frequency Spread Spectrum [Auto]
[Disabled]
Enhances the BCLK overclocking ability.
[Enabled]
Sets to [Enabled] for EMI control.
[Auto]
Automatic configuration.
PCIE Frequency Spread Spectrum [Auto]
[Auto]
Loads the settings automatically.
[Disabled]
Enhances the PCIE overclocking ability.
[Enabled]
Sets to [Enabled] for EMI control.