Gigabyte GA-MA785GM-US2H Manual - Page 41

VGA Core Clock control - overclock

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CPU Clock Ratio Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU being used. CPU NorthBridge Freq. (Note) Allows you to alter the North Bridge controller frequency for the installed CPU. The adjustable range is dependent on the CPU being used. CPU Host Clock Control Enables or disables the control of CPU host clock. Auto (default) allows the BIOS to automatically adjust the CPU host frequency. Manual allows the CPU Frequency (MHz) 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. CPU Frequency(MHz) Allows you to manually set the CPU host frequency. The adjustable range is from 200 MHz to 500 MHz. Important It is highly recommended that the CPU frequency be set in accordance with the CPU specifications. PCIE Clock(MHz) Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to 200 MHz. Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto) VGA Core Clock control Enables or disables the control of VGA Core clock. (Default: Disabled) VGA Core Clock(MHz) Allows you to manually set the VGA Core clock. The adjustable range is from 200 MHz to 2000 MHz. This item is configurable only if the VGA Core Clock control option is enabled. Set Memory Clock Determines whether to manually set the memory clock. Auto lets BIOS automatically set the memory clock as required. Manual allows the memory clock control item below to be configurable. (Default: Auto) Memory Clock This option is configurable only when Set Memory Clock is set to Manual. When you use an AM3/AM2+ CPU: X2.00 Sets Memory Clock to X2.00. X2.66 Sets Memory Clock to X2.66. X3.33 Sets Memory Clock to X3.33. X4.00 Sets Memory Clock to X4.00. X5.33 Sets Memory Clock to X5.33. When you use an AM2 CPU: DDR 400 Sets Memory Clock to DDR 400. DDR 533 Sets Memory Clock to DDR 533. DDR 667 Sets Memory Clock to DDR 667. DDR 800 Sets Memory Clock to DDR 800. DCTs Mode (Note) Allows you to set memory control mode. Ganged Sets memory control mode to single dual-channel. Unganged Sets memory control mode to two single-channel. (Default) (Note) This item appears only if you install a CPU that supports this feature. - 41 - BIOS Setup

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BIOS Setup
CPU Clock Ratio
Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU
being used.
CPU NorthBridge Freq.
(Note)
Allows you to alter the North Bridge controller frequency for the installed CPU. The adjustable range is
dependent on the CPU being used.
CPU Host Clock Control
Enables or disables the control of CPU host clock.
Auto
(default) allows the BIOS to automatically adjust
the CPU host frequency.
Manual
allows the
CPU Frequency (MHz)
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.
CPU Frequency(MHz)
Allows you to manually set the CPU host frequency.
The adjustable range is from 200 MHz to 500 MHz.
Im-
portant
It is highly recommended that the CPU frequency be set in accordance with the CPU specifications.
PCIE Clock(MHz)
Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to 200 MHz.
Auto
sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)
VGA Core Clock control
Enables or disables the control of VGA Core clock. (Default: Disabled)
VGA Core Clock(MHz)
Allows you to manually set the VGA Core clock. The adjustable range is from 200 MHz to 2000 MHz.
This item is configurable only if the
VGA Core Clock control
option is enabled.
Set Memory Clock
Determines whether to manually set the memory clock.
Auto
lets BIOS automatically set the memory
clock as required.
Manual
allows the memory clock control item below to be configurable. (Default: Auto)
Memory Clock
This option is configurable only when
Set Memory Clock
is set to
Manual
.
When you use an AM3/AM2+ CPU:
X2.00
Sets Memory Clock to X2.00.
X2.66
Sets Memory Clock to X2.66.
X3.33
Sets Memory Clock to X3.33.
X4.00
Sets Memory Clock to X4.00.
X5.33
Sets Memory Clock to X5.33.
When you use an AM2 CPU:
DDR 400
Sets Memory Clock to DDR 400.
DDR 533
Sets Memory Clock to DDR 533.
DDR 667
Sets Memory Clock to DDR 667.
DDR 800
Sets Memory Clock to DDR 800.
DCTs Mode
(Note)
Allows you to set memory control mode.
Ganged
Sets memory control mode to single dual-channel.
Unganged
Sets memory control mode to two single-channel. (Default)
(Note)
This item appears only if you install a CPU that supports this feature.