Asus SABERTOOTH 990FX User Manual - Page 74

VRM Spread Spectrum [Disabled], VRM Fixed Frequency Mode [300]

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VRM Spread Spectrum [Disabled] This item appears only when you set the CPU Voltage Frequency item to [Auto] and allows you to enable the spread spectrum to enhance system stability. VRM Fixed Frequency Mode [300] This item appears only when you set the CPU Voltage Frequency item to [Manual] and allows you to set a fixed VRM frequency. Use the and keys to adjust the value. The values range from 300k Hz to 500k Hz with a 10k Hz interval. CPU Power Duty Control [T.Probe Thermal] [T.Probe Thermal] Maintains the VRM thermal balance. [C.Probe Current] Maintains the VRM current balance. CPU & NB Voltage [Offset Mode] [Manual Mode] Allows you to set a fixed CPU voltage. [Offset Mode] Allows you to set the Offset voltage. CPU Manual Voltage [Auto] This item appears only when you set the CPU & NB Voltage item to [Manual Mode] and allows you to set a fixed CPU voltage. The values range depends on your CPU. CPU/NB Manual Voltage [Auto] This item appears only when you set the CPU & NB Voltage item to [Manual Mode] and allows you to set a fixed CPU/NB voltage. The values range depends on your CPU. 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. Offset Mode Sign [+] This item appears only when you set the CPU Voltage item to [Offset Mode]. [+] To offset the voltage by a positive value. [-] To offset the voltage by a negative value. CPU Offset Voltage [Auto] This item appears only when you set the CPU Voltage item to [Offset Mode] and allows you to set the Offset voltage. The values range from 0.006250V to 0.793750V with a 0.006250V interval. CPU/NB Offset Mode Sign [+] CPU/NB Offset Voltage [Autp] allows you to set the Offset voltage. The values range from 0.006250V to 0.793750V with a 0.006250V interval. CPU VDDA Voltage [Auto] Allows you to set the CPU VDDA voltage. The values range from 2.20000V to 2.90000V with a 0.00625V interval. The text color in the configuration field indicates voltage condition. Chapter 3 3-12 Chapter 3: BIOS setup

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3-12
Chapter 3: BIOS setup
Chapter 3
VRM Spread Spectrum [Disabled]
This item appears only when you set the CPU Voltage Frequency item to [Auto] and allows
you to enable the spread spectrum to enhance system stability.
VRM Fixed Frequency Mode [300]
This item appears only when you set the
CPU Voltage Frequency
item to [Manual] and
allows you to set a fixed VRM frequency. Use the <+> and <-> keys to adjust the value. The
values range from 300k Hz to 500k Hz with a 10k Hz interval.
CPU Power Duty Control [T.Probe Thermal]
[T.Probe Thermal]
Maintains the VRM thermal balance.
[C.Probe Current]
Maintains the VRM current balance.
CPU & NB Voltage [Offset Mode]
[Manual Mode]
Allows you to set a fixed CPU voltage.
[Offset Mode]
Allows you to set the Offset voltage.
CPU Manual Voltage [Auto]
This item appears only when you set the CPU & NB Voltage item to [Manual Mode]
and allows you to set a fixed CPU voltage. The values range depends on your CPU.
CPU/NB Manual Voltage [Auto]
This item appears only when you set the CPU & NB Voltage item to [Manual Mode]
and allows you to set a fixed CPU/NB voltage. The values range depends on your
CPU.
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.
Offset Mode Sign [+]
This item appears only when you set the CPU Voltage item to [Offset Mode].
[+]
To offset the voltage by a positive value.
[–]
To offset the voltage by a negative value.
CPU Offset Voltage [Auto]
This item appears only when you set the CPU Voltage item to [Offset Mode] and allows
you to set the Offset voltage. The values range from 0.006250V to 0.793750V with a
0.006250V interval.
CPU/NB Offset Mode Sign [+]
CPU/NB Offset Voltage [Autp]
allows you to set the Offset voltage. The values range from 0.006250V to 0.793750V
with a 0.006250V interval.
CPU VDDA Voltage [Auto]
Allows you to set the CPU VDDA voltage. The values range from 2.20000V to 2.90000V with
a 0.00625V interval. The text color in the configuration field indicates voltage condition.