Gigabyte GA-P31-DS3 User Manual page 48

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)
C.I.A.2
CPU Intelligent Accelerator 2 (C.I.A.2) is designed to automatically adjust CPU computing power
to maximize system performance. C.I.A.2 allows your system bus to be changed dynamically
based on CPU loading through the use of 5 preset states.
Note: System stability varies, depending on your system hardware components.
Disabled Disables the use of C.I.A.2. (Default)
Cruise Increases CPU frequency by 5% or 7% depending on CPU loading.
Sports Increases CPU frequency by 7% or 9% depending on CPU loading.
Racing Increases CPU frequency by 9% or 11% depending on CPU loading.
Turbo Increases CPU frequency by 15% or 17% depending on CPU loading.
Full Thrust Increases CPU frequency by 17% or 19% depending on CPU loading.
Warning: Before using C.I.A.2, please first verify the overclocking capability of your CPU.
As stability is highly dependent on system components, when system instability occurs after
overclocking, lower the overclocking ratio.
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.
System Memory Multiplier (SPD)
Allows you to set the system memory multiplier. Options are dependent on CPU FSB. 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.
High Speed DRAM DLL Settings
Provides two different memory timing configurations. If your system becomes unstable after you
overclock the DDR2 memory, select Option 1 or Option 2 to help make your system more
stable.
Option 1 Memory Timing Configuration 1. (Default)
Option 2 Memory Timing Configuration 2.
System Voltage Control
Determines whether to manually set the system voltages. Auto lets BIOS automatically set the
system voltages as required. Manual allows all voltage control items below to be configurable.
(Default: Manual)
GA-P31-DS3/DS3L/S3L Motherboard - 48 -