Asus Z97M-PLUS BR User Guide - Page 80

DRAM DATA REF Voltage on CHA/CHB [Auto], DRAM CTRL REF Voltage [Auto]

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The following item appears only when you set SVID Support to [Enabled]. SVID Voltage Override [Auto] This item allows you to set the SVID Voltage override. By default, this item takes the standard value of the installed CPU. You can use the or keys to adjust the value. The values range from 0.001V to 2.440 V with a 0.001 V interval. DRAM Voltage [Auto] This item allows you to set the DRAM voltage. You can use the or keys to adjust the value. The values range from 1.1850 V to 1.8000 V with a 0.0050 V interval. According to Intel® CPU specifications, DIMMs with voltage requirement over 1.65 V may damage the CPU permanently. We recommend that you install the DIMMs with the voltage requirement below 1.65 V. PCH VLX Voltage [Auto] This item allows you to set the I/O voltage on the PCH (Platform Controller Hub). You can use the or keys to adjust the value. The values range from 1.1850 V to 2.1350 V with a 0.0050 V interval. PCH Core Voltage [Auto] This item allows you to set the core voltage on the PCH (Platform Controller Hub). You can use the or keys to adjust the value. The values range from 0.73500V to 1.50000V with a 0.00500V interval. The system may need better cooling system for a more stable performance under high voltage settings. DRAM CTRL REF Voltage [Auto] This item allows you to set the DRAM reference voltage on the control lines from the memory bus. You can use the or keys to adjust the value. The values range from 0.39500x to 0.63000x with a 0.00500x interval. To set a value for the DRAM reference voltage, we recommend you to set a value close to the standard value which is 0.500000x. DRAM DATA REF Voltage on CHA/CHB [Auto] This item allows you to set the DRAM reference voltage on the data lines on Channels A and B. You can use the or keys to adjust the value. The values range from 0.39500x to 0.63000x with a 0.00500x interval. Chapter 3 To set a value for the DRAM reference voltage, we recommend you to set a value close to the standard value which is 0.500000x. CPU Spread Spectrum [Auto] This item allows you to enhance the BCLK overclocking capability or reduce the EMI (electromagnetic disturbance) generated by the BCLK. Set this item to [Enabled] for EMI reduction, or set this item to [Disabled] to enhance BCLK overclocking. Configuration options: [Auto] [Disabled] [Enabled] 3-28 Chapter 3: BIOS setup

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3-28
Chapter 3: BIOS setup
Chapter 3
The following item appears only when you set SVID Support to
[Enabled]
.
SVID Voltage Override [Auto]
This item allows you to set the SVID Voltage override. By default, this item takes the
standard value of the installed CPU. You can use the <+> or <-> keys to adjust the
value. The values range from 0.001V to 2.440 V with a 0.001 V interval.
DRAM Voltage [Auto]
This item allows you to set the DRAM voltage. You can use the <+> or <-> keys to adjust the
value. The values range from 1.1850 V to 1.8000 V with a 0.0050 V interval.
According to Intel
®
CPU specifications, DIMMs with voltage requirement over 1.65 V may
damage the CPU permanently. We recommend that you install the DIMMs with the voltage
requirement below 1.65 V.
PCH VLX Voltage [Auto]
This item allows you to set the I/O voltage on the PCH (Platform Controller Hub). You can
use the <+> or <-> keys to adjust the value. The values range from 1.1850 V to 2.1350 V with
a 0.0050 V interval.
PCH Core Voltage [Auto]
This item allows you to set the core voltage on the PCH (Platform Controller Hub). You can
use the <+> or <-> keys to adjust the value. The values range from 0.73500V to 1.50000V
with a 0.00500V interval.
The system may need better cooling system for a more stable performance under high
voltage settings.
DRAM CTRL REF Voltage [Auto]
This item allows you to set the DRAM reference voltage on the control lines from the memory
bus. You can use the <+> or <-> keys to adjust the value. The values range from 0.39500x to
0.63000x with a 0.00500x interval.
To set a value for the DRAM reference voltage, we recommend you to set a value close to
the standard value which is 0.500000x.
DRAM DATA REF Voltage on CHA/CHB [Auto]
This item allows you to set the DRAM reference voltage on the data lines on Channels A and
B. You can use the <+> or <-> keys to adjust the value. The values range from 0.39500x to
0.63000x with a 0.00500x interval.
To set a value for the DRAM reference voltage, we recommend you to set a value close to
the standard value which is 0.500000x.
CPU Spread Spectrum [Auto]
This item allows you to enhance the BCLK overclocking capability or reduce the EMI
(electromagnetic disturbance) generated by the BCLK. Set this item to [Enabled] for EMI
reduction, or set this item to [Disabled] to enhance BCLK overclocking. Configuration options:
[Auto] [Disabled] [Enabled]