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Chapter 3, Igpu manual voltage [auto, Dram voltage [auto – Asus P8H77-M PRO User Manual

Page 78: Vccsa voltage [auto, Pch voltage [auto, Cpu pll voltage [auto

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Chapter 3: BIOS setup

Chapter 3

iGPU Manual Voltage [Auto]

This item appears only when you set the iGPU Voltage item to [Manual Mode] and allows

you to set a fixed iGPU voltage. Use the <+> and <-> keys to adjust the value. The values

range from 0.800V to 1.990V with a 0.005V interval.

DRAM Voltage [Auto]

Allows you to set the DRAM voltage. The values range from 1.185V to 2.135V with a 0.005V

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 0.610V to 1.560V with a 0.005V

interval.

PCH Voltage [Auto]

Allows you to set the Platform Controller Hub voltage. The values range from 0.7350V to

1.6850V with a 0.005V interval.

CPU PLL Voltage [Auto]

Allows you to set the CPU and PCH PLL voltage. Configuration options: [Auto] [+0.10V]

The values of the CPU Offset Voltage, iGPU Offset Voltage, DRAM Voltage,

VCCSA 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.

Black

Yellow

Pink

Red

CPU Offset

Voltage

0.005V–

0.065V

0.070V–

0.125V

0.130V–

0.185V

0.190V–

0.635V

iGPU Mode

Voltage

0.005V–

0.035V

0.040V–

0.065V

0.070V–

0.095V

0.100V–

0.635V

DRAM Voltage

1.185V–

1.575V

1.580V–

1.650V

1.655V–

1.725V

1.730V–

2.135V

VCCSA Voltage

0.610V–

0.970V

0.975V–

1.015V

1.020V–

1.060V

1.065V–

1.560V

PCH Voltage

0.735V–

1.100V

1.105V–

1.155V

1.160V–

1.205V

1.210V–

1.7685V