Gigabyte GA-X79-UD5 User Manual - Page 40

CPU Enhanced Halt C1E, C3/C6 State Support

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&& CPU Core Enabled (Note 1) Allows you to determine the number of CPU cores you want to enable. Auto lets the BIOS automatically configure this setting. (Default: Auto) && Hyper-Threading Technology (Note 1) Allows you to determine whether to enable Hyper-Threading technology when using an Intel CPU that supports this function. This feature only works for operating systems that support multi-processor mode. Auto lets the BIOS automatically configure this setting. (Default: Auto) && CPU Enhanced Halt (C1E) (Note 1) Enables or disables Intel CPU Enhanced Halt (C1E) function, a CPU power-saving function in system halt state. When enabled, the CPU core frequency and voltage will be reduced during system halt state to decrease power consumption. Auto lets the BIOS automatically configure this setting. (Default: Auto) && C3/C6 State Support (Note 1) Allows you to determine whether to let the CPU enter C3/C6 mode in system halt state. When enabled, the CPU core frequency and voltage will be reduced during system halt state to decrease power consumption. The C3/C6 state is a more enhanced power-saving state than C1. Auto lets the BIOS automatically configure this setting. (Default: Auto) && CPU Thermal Monitor (Note 1) Enables or disables Intel CPU Thermal Monitor function, a CPU overheating protection function. When enabled, the CPU core frequency and voltage will be reduced when the CPU is overheated. Auto lets the BIOS automatically configure this setting. (Default: Auto) && CPU EIST Function (Note 1) Enables or disables Enhanced Intel SpeedStep Technology (EIST). Depending on CPU loading, Intel EIST technology can dynamically and effectively lower the CPU voltage and core frequency to decrease average power consumption and heat production. Auto lets the BIOS automatically configure this setting. (Default: Auto) && Bi-Directional PROCHOT (Note 1) Auto Lets BIOS automatically configure this setting. (Default) Enabled When the CPU or chipset detects that an overheating is occurring, PROCHOT signals will be emitted to lower CPU performance to decrease heat production. Disabled Only allows the CPU to detect whether an overheating is occurring to emit PROCHOT signals. && Extreme Memory Profile (X.M.P.) (Note 2) Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance when enabled. Disabled Disables this function. (Default) Profile1 Uses Profile 1 settings. Profile2 (Note 2) Uses Profile 2 settings. && System Memory Multiplier (SPD) Allows you to set the system memory multiplier. Auto sets memory multiplier according to memory SPD data. (Default: Auto) (Note 1) This item is present only when you install a CPU that supports this feature. For more information about Intel CPUs' unique features, please visit Intel's website. (Note 2) This item is present only when you install a memory module that supports this feature. BIOS Setup - 40 -

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BIOS Setup
- 40 -
CPU Core Enabled
&
(Note 1)
Allows you to determine the number of CPU cores you want to enable.
Auto
lets the BIOS automatically
configure this setting. (Default: Auto)
Hyper-Threading Technology
&
(Note 1)
Allows you to determine whether to enable Hyper-Threading technology when using an Intel CPU that
supports this function. This feature only works for operating systems that support multi-processor mode.
Auto
lets the BIOS automatically configure this setting. (Default: Auto)
CPU Enhanced Halt (C1E)
&
(Note 1)
Enables or disables Intel CPU Enhanced Halt (C1E) function, a CPU power-saving function in system
halt state. When enabled, the CPU core frequency and voltage will be reduced during system halt state to
decrease power consumption.
Auto
lets the BIOS automatically configure this setting. (Default: Auto)
C3/C6 State Support
&
(Note 1)
Allows you to determine whether to let the CPU enter C3/C6 mode in system halt state. When enabled, the
CPU core frequency and voltage will be reduced during system halt state to decrease power consumption.
The C3/C6 state is a more enhanced power-saving state than C1.
Auto
lets the BIOS automatically configure
this setting. (Default: Auto)
CPU Thermal Monitor
&
(Note 1)
Enables or disables Intel CPU Thermal Monitor function, a CPU overheating protection function. When
enabled, the CPU core frequency and voltage will be reduced when the CPU is overheated.
Auto
lets the
BIOS automatically configure this setting. (Default: Auto)
CPU EIST Function
&
(Note 1)
Enables or disables Enhanced Intel SpeedStep Technology (EIST). Depending on CPU loading, Intel EIST
technology can dynamically and effectively lower the CPU voltage and core frequency to decrease average
power consumption and heat production.
Auto
lets the BIOS automatically configure this setting. (Default:
Auto)
Bi-Directional PROCHOT
&
(Note 1)
Auto
Lets BIOS automatically configure this setting. (Default)
±
Enabled
When the CPU or chipset detects that an overheating is occurring, PROCHOT signals
±
will be emitted to lower CPU performance to decrease heat production.
Disabled
Only allows the CPU to detect whether an overheating is occurring to emit PROCHOT
±
signals.
Extreme Memory Profile (X.M.P.)
&
(Note 2)
Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance when
enabled.
Disabled
Disables this function. (Default)
±
Profile1
Uses Profile 1 settings.
±
Pr
±
o
file2
(Note 2)
Uses Profile 2 settings.
System Memory Multiplier (SPD)
&
Allows you to set the system memory multiplier.
Auto
sets memory multiplier according to memory SPD
data. (Default: Auto)
(Note 1)
This item is present only when you install a CPU that supports this feature. For more information about
Intel CPUs' unique features, please visit Intel's website.
(Note 2)
This item is present only when you install a memory module that supports this feature.