Gigabyte GA-MA78GPM-UD2H User Manual page 40

HT Link Frequency
Allows you to manually set the frequency for the HT Link between the CPU and chipset.
Auto
200 MHz~2.6 GHz Sets HT Link Frequency to 200 MHz~2.6 GHz.
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.
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 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.
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.
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. (Default: 500)
Set Memory Clock
Determines whether to manually set the memory clock. Auto lets BIOS automatically set the
memory clock as required. Manual allows all voltage control items below to be configurable.
(Default: Auto)
Memory Clock
This option is configurable only when Set Memory Clock is set to Manual.
When you use a AM2 CPU:
DDR 400
DDR 533
DDR 667
DDR 800
When you use a AM2+ CPU:
X2.00
X2.66
X3.33
X4.00
X5.33
(Note) This item is present only if you install a CPU that supports this feature.
GA-MA78GPM-UD2H Motherboard
BIOS will automatically adjust the HT Link Frequency. (Default)
(Note)
Sets Memory Clock to DDR 400.
Sets Memory Clock to DDR 533.
Sets Memory Clock to DDR 667.
Sets Memory Clock to DDR 800.
Sets Memory Clock to X2.00.
Sets Memory Clock to X2.66.
Sets Memory Clock to X3.33.
Sets Memory Clock to X4.00.
Sets Memory Clock to X5.33.
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