Gigabyte GA-G41M-Combo User Manual page 24

CPU Host Frequency (Mhz)
Allows you to manually set the CPU host frequency. The adjustable range is from 100 MHz to 1200 MHz.
This item is configurable only if the CPU Host Clock Control option is enabled.
Important: It is highly recommended that the CPU frequency be set in accordance with the CPU
specifications.
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)
******** DRAM Performance Control ********
Performance Enhance
Allows the system to operate at three different performance levels.
Standard
Turbo
Extreme
(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.
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 control items below to be configurable. Options are: Auto (default),
Manual.
>>>>> Standard Timing Control
CAS Latency Time
Options are: Auto (default), 4~11.
tRCD
Options are: Auto (default), 1~15.
tRP
Options are: Auto (default), 1~15.
tRAS
Options are: Auto (default), 1~63.
>>>>> Advanced Timing Control
Advanced Timing Control
BIOS Setup
Lets the system operate at its basic performance level. (Default)
Lets the system operate at its good performance level.
Lets the system operate at its best performance level.
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