Asus SABERTOOTH Z77 User Manual page 82

CPU Manual Voltage [Auto]
This item appears only when you set the CPU Voltage item to [Manual Mode] and
allows you to set a fixed CPU voltage. The values range from 0.800V to 1.990V with a
0.005V interval.
Refer to the CPU documentation before setting the CPU voltage. Setting a high voltage
may damage the CPU permanently, and setting a low voltage may make the system
unstable.
The following items appears only when you set the Initiate iGPU items to [Enabled].
DRAM Voltage [Auto]
Allows you to set the DRAM voltage. The values range from 1.20V to 2.20V with a 0.00625V
interval.
According to Intel CPU spec, DIMMs with voltage requirement over 1.65V may damage
the CPU permanently. We recommend you install the DIMMs with the voltage requirement
below 1.65V.
VCCSA Voltage [Auto]
Allows you to set the VCCSA voltage. The values range from 0.80V to 1.70V with a 0.00625V
interval.
CPU PLL Voltage [Auto]
Allows you to set the CPU and PCH PLL voltage. The values range from 1.20V to 2.20V with
a 0.00625V interval.
PCH Voltage [Auto]
Allows you to set the Platform Controller Hub volage. The values range from 0.80V to 1.70V
with a 0.01V interval.
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The values of the CPU Manual Voltage, CPU Offset Voltage, DRAM Voltage, VCCSA
Voltage, VCCIO Voltage, and PCH Voltage items are labeled in different color,
indicating the risk levels of high voltage settings.
The system may need better cooling system to work stably under high voltage
settings.
Chapter 3: BIOS setup