Gigabyte GA-8I915PC Duo Manual - Page 43

CPU Smart FAN Control, CPU Smart FAN Mode, CPU Clock Ratio

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English CPU Smart FAN Control Disabled Enabled Disable this function. Enable CPU Smart Fan control function. (Default value) a. When the CPU temperature is higher than 65 degrees Celsius, CPU fan will run at full speed. b. The speed of CPU fan will increase linearly depand on the temperature if the temperature is more than 41 degree and less than 65 degree. c. When the CPU temperature is lower than 40 degrees Celsius, CPU fan will be disable. CPU Smart FAN Mode This option is available only when CPU Smart FAN Control is enabled. Auto BIOS autodetects the type of CPU fan you installed and sets the optimal CPU Smart FAN control mode for it. (Default Value) Voltage PWM Set to Voltage when you use a CPU fan with a 3-pin fan power cable. Set to PWM when you use a CPU fan with a 4-pin fan power cable. Note: In fact, the Voltage option can be used for CPU fans with 3-pin or 4-pin power cables. However, some 4-pin CPU fan power cables are not designed following Intel 4-Wire fans PWM control specifications. With such CPU fans, selecting PWM will not effectively reduce the fan speed. 2-7 MB Intelligent Tweaker(M.I.T.) CMOS Setup Utility-Copyright (C) 1984-2004 Award Software MB Intelligent Tweaker(M.I.T.) CPU Clock Ratio Robust Graphics Booster C.I.A. 2 CPU Host Clock Control x CPU Host Frequency (Mhz) x PCI Experss Frequency (Mhz) Memory Frequency For Memory Frequency (Mhz) DIMM OverVoltage Control PCI-E OverVoltage Control FSB OverVoltage Control CPU Voltage Control [15X] [Auto] [Disabled] [Disabled] 200 Auto [Auto] 533 [Normal] [Normal] [Normal] [Normal] Item Help Menu Level` KLJI: Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults Incorrect using these features may cause your system broken. For power end-user use only. CPU Clock Ratio This setup option will automatically assign by CPU detection. The option will display "Locked" and read only if the CPU ratio is not changeable. - 43 - BIOS Setup

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BIOS Setup
- 43 -
English
CPU Smart FAN Control
Disabled
Disable this function.
Enabled
Enable CPU Smart Fan control function. (Default value)
a.
When the CPU temperature is higher than 65 degrees Celsius, CPU fan
will run at full speed.
b.
The speed of CPU fan will increase linearly depand on the temperature if
the temperature is more than 41 degree and less than 65 degree.
c.
When the CPU temperature is lower than 40 degrees Celsius, CPU fan will
be disable.
CPU Smart FAN Mode
This option is available only when CPU Smart FAN Control is enabled.
Auto
BIOS autodetects the type of CPU fan you installed and sets the optimal CPU
Smart FAN control mode for it. (Default Value)
Voltage
Set to Voltage when you use a CPU fan with a 3-pin fan power cable.
PWM
Set to PWM when you use a CPU fan with a 4-pin fan power cable.
Note: In fact, the Voltage option can be used for CPU fans with 3-pin or 4-pin power cables.
However, some 4-pin CPU fan power cables are not designed following Intel 4-Wire fans PWM
control specifications. With such CPU fans, selecting PWM will not effectively reduce the fan
speed.
2-7
MB Intelligent Tweaker(M.I.T.)
CMOS Setup Utility-Copyright (C) 1984-2004 Award Software
MB Intelligent Tweaker(M.I.T.)
CPU Clock Ratio
[15X]
Robust Graphics Booster
[Auto]
C.I.A. 2
[Disabled]
CPU Host Clock Control
[Disabled]
x
CPU Host Frequency (Mhz)
200
x
PCI Experss Frequency (Mhz)
Auto
Memory Frequency For
[Auto]
Memory Frequency (Mhz)
533
DIMM OverVoltage Control
[Normal]
PCI-E OverVoltage Control
[Normal]
FSB OverVoltage Control
[Normal]
CPU Voltage Control
[Normal]
: Move
Enter: Select
+/-/PU/PD: Value
F10: Save
ESC: Exit
F1: General Help
F5: Previous Values
F6: Fail-Safe Defaults
F7: Optimized Defaults
Item Help
Menu Level
Incorrect using these features may cause your system broken. For power end-user use only.
CPU Clock Ratio
This setup option will automatically assign by CPU detection.
The option will display "Locked" and read only if the CPU ratio is not changeable.