Asus X99-A/USB 3.1TRANSFER EXPRESS User Guide - Page 106

DRAM Voltage CHA/CHB, CHC/CHD [Auto], PCH I/O Voltage [Auto]

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CPU SVID Support [Auto] Set this item to [Enabled] when overclocking. Disabling this item prevents the CPU from communicating with the external voltage regulator. Configuration options: [Auto] [Disabled] [Enabled] The following items appear only when you set the CPU Core Voltage to [Enabled]. SVID Voltage Override[Auto] This item allows you to set a VCCIN for the CPU during initial part of POST. Use the or key to adjust the value. The values range from 0.001 V to 2.440 V at 0.001 V increment. CPU Input Voltage [Auto] This item allows you to configure the input voltage for the CPU by the external voltage regulator. Use the or key to adjust the value. The values range from 0.80 V to 2.70 V at 0.010 V increment. DRAM SVID Support [Auto] Set this item to [Disabled] to stop the CPU from communicating with the external voltage regulator. Disable this item when you overclock your system. Configuration options: [Auto] [Disabled] [Enabled] DRAM Voltage (CHA/CHB, CHC/CHD) [Auto] This item allows you to set the voltage for the system memory slots on the left and right. Use the or key to adjust the value. The values range from 0.80 V to 1.90 V at 0.010 V increment. 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 Core Voltage [Auto] This item allows you to configure the core voltage for the PCH (platform controller hub). Use the or key to adjust the value. The values range from 0.70 V to 1.80 V at 0.00625 V increment. PCH I/O Voltage [Auto] This item allows you to configure the I/O voltage for the PCH (platform controller hub). Use the or key to adjust the value. The values range from 1.20 V to 2.20 V at 0.00625 V increment. VCCIO CPU 1.05V Voltage [Auto] This item allows you to set the main power supply for the CPU REF. Use the or key to adjust the value. The values range from 0.7000 V to 1.8000 V at 0.00625 V increment. VCCIO PCH 1.05V Voltage [Auto] This item allows you to set the tmain power supply for the PCH REF. Use the or key to adjust the value. The values range from 0.7000 V to 1.8000 V at 0.00625 V increment. Chapter 3 3-30 Chapter 3: BIOS setup

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3-30
Chapter 3: BIOS setup
Chapter 3
CPU SVID Support [Auto]
Set this item to [Enabled] when overclocking. Disabling this item prevents the CPU from
communicating with the external voltage regulator.
Configuration options: [Auto] [Disabled] [Enabled]
The following items appear only when you set the CPU Core Voltage to
[Enabled]
.
SVID Voltage Override[Auto]
This item allows you to set a VCCIN for the CPU during initial part of POST. Use the
<+> or <-> key to adjust the value. The values range from 0.001 V to 2.440 V at 0.001
V increment.
CPU Input Voltage [Auto]
This item allows you to configure the input voltage for the CPU by the external voltage
regulator. Use the <+> or <-> key to adjust the value. The values range from 0.80 V to 2.70 V
at 0.010 V increment.
DRAM SVID Support [Auto]
Set this item to [Disabled] to stop the CPU from communicating with the external voltage
regulator. Disable this item when you overclock your system.
Configuration options: [Auto] [Disabled] [Enabled]
DRAM Voltage (CHA/CHB, CHC/CHD) [Auto]
This item allows you to set the voltage for the system memory slots on the left and right. Use
the <+> or <-> key to adjust the value. The values range from 0.80 V to 1.90 V at 0.010 V
increment.
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 Core Voltage [Auto]
This item allows you to configure the core voltage for the PCH (platform controller hub). Use
the <+> or <-> key to adjust the value. The values range from 0.70 V to 1.80 V at 0.00625 V
increment.
PCH I/O Voltage [Auto]
This item allows you to configure the I/O voltage for the PCH (platform controller hub). Use
the <+> or <-> key to adjust the value. The values range from 1.20 V to 2.20 V at 0.00625 V
increment.
VCCIO CPU 1.05V Voltage [Auto]
This item allows you to set the main power supply for the CPU REF. Use the <+> or <-> key
to adjust the value. The values range from 0.7000 V to 1.8000 V at 0.00625 V increment.
VCCIO PCH 1.05V Voltage [Auto]
This item allows you to set the tmain power supply for the PCH REF. Use the <+> or <-> key
to adjust the value. The values range from 0.7000 V to 1.8000 V at 0.00625 V increment.