Gigabyte GA-Q57M-S2H Manual - Page 39
C3/C6/C7 State Support, System Memory Multiplier SPD
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C3/C6/C7 State Support (Note) Allows you to determine whether to let the CPU enter C3/C6/C7 mode in system halt state. When en- abled, the CPU core frequency and voltage will be reduced during system halt state to decrease power consumption. The C3/C6/C7 state is a more enhanced power-saving state than C1. Auto lets the BIOS automatically configure this setting. (Default: Auto) CPU Thermal Monitor (Note) 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) 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 set- ting. (Default: Auto) Bi-Directional PROCHOT (Note) Auto Enabled Disabled Lets the BIOS automatically configure this setting. (Default) When the CPU or chipset detects that an overheating is occurring, PROCHOT signals will be emitted to lower CPU performance to decrease heat production. Only allows the CPU to detect whether an overheating is occurring to emit PROCHOT signals. QPI Clock Ratio Allows you to set the QPI clock ratio. Options are: Auto (default), x12~x44. The adjustable range is dependent on the CPU being installed. The item is adjustable only if a CPU with unlocked clock ratio is installed. QPI Link Speed Displays the current operating QPI link speed. System Memory Multiplier (SPD) Allows you to set the system memory multiplier. Auto sets memory multiplier according to memory SPD data. (Default: Auto) Memory Frequency(Mhz) The first memory frequency value is the normal operating frequency of the memory being used; the second is the memory frequency that is automatically adjusted according to the BCLK Frequency(Mhz) and System Memory Multiplier settings. (Note) This item is present only if you install a CPU that supports this feature. For more information about Intel CPUs' unique features, please visit Intel's website. - 39 - BIOS Setup