Gigabyte GA-GC220 Manual - Page 37

CPU Host Clock Control, CPU Host Frequency Mhz, PCI Express Frequency Mhz, System Memory Multiplier

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2-9 Frequency/Voltage Control CMOS Setup Utility-Copyright (C) 1984-2008 Award Software Frequency/Voltage Control CPU Host Clock Control x CPU Host Frequency (Mhz) PCI Express Frequency (Mhz) System Memory Multiplier (SPD) Memory Frequency (Mhz) CPU Frequency [Disabled] 133 [Auto] [Auto] 533 1.2GHz(133x9) 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 Incorrectly doing overclock/overvoltage may result in damage to CPU, chipset, or memory and reduce the useful life of these components. This page is for advanced users only and we recommend you not to alter the default settings to prevent system instability or other unexpected results. (Inadequately altering the settings may result in system's failure to boot. If this occurs, clear the CMOS values and reset the board to default values.) CPU Host Clock Control Enables or disables the control of CPU host clock. Enabled will allow the CPU Host Frequency item below to be configurable. Note: If your system fails to boot after overclocking, please wait for 20 seconds to allow for automated system reboot, or clear the CMOS values to reset the board to default values. (Default: Disabled) CPU Host Frequency (Mhz) Allows you to manually set the CPU host frequency. This item is configurable only if the CPU Host Clock Control option is enabled. Important It is highly recommended that the CPU frequency be set in accordance with the CPU specifications. PCI Express Frequency (Mhz) Allows you to manually set the PCIe clock frequency. The adjustable range is from 90 MHz to 150 MHz. Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto) System Memory Multiplier (SPD) Allows you to set the system memory multiplier. Options are: Auto (default), 3.00, 4.00. Auto sets memory multiplier according to memory SPD data. Memory Frequency (Mhz) The memory frequency that is automatically adjusted according to the System Memory Multiplier setting. CPU Frequency Displays the current operating CPU frequency. - 37 - BIOS Setup

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- 37 -
BIOS Setup
2-9
Frequency/Voltage Control
CPU Host Clock Control
Enables or disables the control of CPU host clock.
Enabled
will allow the
CPU Host Frequency
item below to be configurable. Note: If your system fails to boot after overclocking, please wait for
20 seconds to allow for automated system reboot, or clear the CMOS values to reset the board to
default values. (Default: Disabled)
CPU Host Frequency (Mhz)
Allows you to manually set the CPU host frequency. This item is configurable only if the
CPU
Host Clock Control
option is enabled.
Important
It is highly recommended that the CPU frequency be set in accordance with the CPU
specifications.
PCI Express Frequency (Mhz)
Allows you to manually set the PCIe clock frequency. The adjustable range is from 90 MHz to
150 MHz.
Auto
sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)
System Memory Multiplier (SPD)
Allows you to set the system memory multiplier. Options are: Auto (default), 3.00, 4.00.
Auto
sets
memory multiplier according to memory SPD data.
Memory Frequency (Mhz)
The memory frequency that is automatically adjusted according to the
System Memory Multi-
plier
setting.
CPU Frequency
Displays the current operating CPU frequency.
CMOS Setup Utility-Copyright (C) 1984-2008 Award Software
Frequency/Voltage Control
CPU Host Clock Control
[Disabled]
x
CPU Host Frequency (Mhz)
133
PCI Express Frequency (Mhz)
[Auto]
System Memory Multiplier (SPD)
[Auto]
Memory Frequency (Mhz)
533
CPU Frequency
1.2GHz(133x9)
: 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
Incorrectly doing overclock/overvoltage may result in damage to CPU, chipset, or memory
and reduce the useful life of these components.
This page is for advanced users only and
we recommend you not to alter the default settings to prevent system instability or other
unexpected results. (Inadequately altering the settings may result in system's failure to
boot. If this occurs, clear the CMOS values and reset the board to default values.)