Gigabyte GA-G33M-S2L Manual - Page 45

PCI Express Frequency Mhz - overclock

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Page 45 highlights

Robust Graphics Booster Robust Graphics Booster (R.G.B.) helps to enhance the performance of the graphics chip and memory. Auto allows the BIOS to automatically set the R.G.B. mode based on system configurations. Options are: Auto (default), Fast, Turbo. CPU Clock Ratio (Note) Allows you to alter the clock ratio for the installed CPU. The item is present only if a CPU with unlocked clock ratio is installed. 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. The adjustable range is from 100 MHz to 700 MHz. For an 800 MHz FSB CPU, set this item to 200 MHz. For a 1066 MHz FSB CPU, set this item to 266 MHz. For a 1333 MHz FSB CPU, set this item to 333 MHz. 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) Performance Enhance Allows the system to operate at three different performance levels. Standard Lets the system operate at its basic performance level. (Default) Turbo Lets the system operate at its good performance level. Extreme Lets the system operate at its best performance level. System Memory Multiplier (SPD) Allows you to set the system memory multiplier. Options are dependent on CPU FSB. 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 CPU Host Frequency (Mhz) and System Memory Multiplier settings. (Note) This item appears only if you install a CPU that supports this feature. - 45 - BIOS Setup

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- 45 -
BIOS Setup
Robust Graphics Booster
Robust Graphics Booster (R.G.B.) helps to enhance the performance of the graphics chip and
memory.
Auto
allows the BIOS to automatically set the R.G.B. mode based on system
configurations. Options are: Auto (default), Fast, Turbo.
CPU Clock Ratio
(Note)
Allows you to alter the clock ratio for the installed CPU.
The item is present only if a CPU with unlocked clock ratio is installed.
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. The adjustable range is from 100 MHz to 700 MHz.
For an 800 MHz FSB CPU, set this item to 200 MHz.
For a 1066 MHz FSB CPU, set this item to 266 MHz.
For a 1333 MHz FSB CPU, set this item to 333 MHz.
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)
Performance Enhance
Allows the system to operate at three different performance levels.
Standard
Lets the system operate at its basic performance level. (Default)
Turbo
Lets the system operate at its good performance level.
Extreme
Lets the system operate at its best performance level.
System Memory Multiplier (SPD)
Allows you to set the system memory multiplier. Options are dependent on CPU FSB.
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
CPU Host
Frequency (Mhz)
and
System Memory Multiplier
settings.
(Note)
This item appears only if you install a CPU that supports this feature.