Gigabyte GA-H55M-D2H User Manual page 38

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.
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)
 Advanced Memory Settings
Extreme Memory Profile (X.M.P.)
System Memory Multiplier
Memory Frequency (Mhz)
Performance Enhance
DRAM Timing Selectable
Profile DDR Voltage
Profile QPI Voltage
>>>>> Channel A
 Channel A Timing Settings
>>>>> Channel B
 Channel B Timing Settings
higf : Move Enter: Select
F5: Previous Values
Extreme Memory Profile (X.M.P.)
Frequency(Mhz)
The settings under the three items above are synchronous to those under the same items on the MB
Intelligent Tweaker(M.I.T.) main menu.
(Note) This item appears only if you install a memory module that supports this feature.
BIOS Setup
CMOS Setup Utility-Copyright (C) 1984-2010 Award Software
Advanced Memory Settings
(Note)
(SPD)
1333
(SPD)
+/-/PU/PD: Value
F6: Fail-Safe Defaults
(Note)
[Disabled]
[Auto]
1333
[Turbo]
[Auto]
1.5V
1.15V
[Press Enter]
[Press Enter]
F10: Save
, System Memory Multiplier (SPD), Memory
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Item Help
Menu Level 
ESC: Exit F1: General Help
F7: Optimized Defaults