Gigabyte GA-EP43-DS3L, User Manual

Page: 42 / 112

GA-EP43-DS3LR/DS3L/S3L Motherboard - 42 -
CPU Clock Drive
Allows you to adjust the amplitude of the CPU and North Bridge clock.
Options are: 700mV, 800mV (default), 900mV, 1000mV.
PCI Express Clock Drive
Allows you to adjust the amplitude of the PCI Express and North Bridge clock.
Options are: 700mV, 800mV (default), 900mV, 1000mV.
CPU Clock Skew
Allows you to set the CPU clock prior to the North Bridge clock.
Options are: 0ps~750ps. (Default: 0ps)
MCH Clock Skew
Allows you to set the North Bridge clock prior to the CPU clock.
Options are: 0ps~750ps. (Default: 0ps)
******** DRAM Performance Control ********
Performance Enhance
Allows the system to operate at three different performance levels.
Standard Lets the system operate at its basic performance level.
Turbo Lets the system operate at its good performance level. (Default)
Extreme Lets the system operate at its best performance level.
Extreme Memory Profile (X.M.P.)
(Note)
Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance
when enabled.
Disabled Disables this function. (Default)
Profile1 Uses Profile 1 settings.
Profile2 Uses Profile 2 settings.
(G)MCH Frequency Latch
Allows you to fix the chipset frequency at system bootup. Options for adjusting memory multiplier
below may differ according to the fixed frequency. Options are: Auto (default), 200MHz, 266MHz,
333MHz, 400MHz.
System Memory Multiplier (SPD)
Allows you to set the system memory multiplier. Options are dependent on CPU FSB and the
(G)MCH Frequency Latch settings. 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.
DRAM Timing Selectable (SPD)
Manual allows all DRAM Timing items below to be configurable.
Options are: Auto (default), Manual.
(Note) This item appears only if you install a memory module that supports this feature.