Gigabyte GA-H55M-UD2H User Manual page 40

Extreme Memory Profile (X.M.P.)
Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance
when enabled.
Disabled
Profile1
Profile2
(Note)
System Memory Multiplier (SPD)
Allows you to set the system memory multiplier. 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 BCLK Frequency(Mhz)
and System Memory Multiplier settings.
Internal Graphics Clock
Allows you to set the onboard graphics clock. The adjustable range is from 400 MHz to 2000 MHz. (Default:
Auto)
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)
>>>>> Advanced Clock Control
CPU Clock Drive
Allows you to adjust the amplitude of the CPU and the Chipset clock.
Options are: 700mV, 800mV (default), 900mV, 1000mV.
PCI Express Clock Drive
Allows you to adjust the amplitude of the PCI Express and Chipset clock.
Options are: 700mV, 800mV, 900mV (default), 1000mV.
CPU Clock Skew
Allows you to set the CPU clock prior to the Chipset clock.
Options are: 0ps~750ps. (Default: 0ps)
PCH Clock Skew
Allows you to set the Chipset clock prior to the CPU clock.
Options are: 0ps~750ps. (Default: 0ps)
(Note) This item appears only if you install a memory module that supports this feature.
BIOS Setup
(Note)
Disables this function. (Default)
Uses Profile 1 settings.
Uses Profile 2 settings.
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