MSI X79A-GD45 - Manual (Page 59)

BIOS Setup MS-7735
Chapter 2
2-11
BIOS Setup MS-7735
Chapter 2
Adjusted CPU Frequency
It shows the adjusted CPU frequency. Read-only.
EIST
Enhanced Intel SpeedStep technology allows you to set the performance level of the
mcroprocessor whether the computer s runnng on battery or AC power. Ths field only
appears wth nstalled CPUs that support ths technology.
Intel Turbo Boost 2.0
Enables or dsables Intel Turbo Boost 2.0 whch automatcally boosts CPU performance
above rated specficatons (when applcatons requests the hghest performance state
of the processor).
Drect OC Button
Ths tem allows you to enable/dsable the Drect OC buttons.
DRAM Frequency
Ths tem allows you to adjust the DRAM frequency. Please note the overclockng
behavor s not guaranteed.
Extreme Memory Profile (X.M.P)
Ths tem s used to enable/dsable the Intel Extreme Memory Profile (XMP). For further
nformaton please refer to Intel’s offical webste.
Adjusted DRAM Frequency
It shows the adjusted DRAM frequency. Read-only.
DRAM Tmng Mode
Select whether DRAM tmng s controlled by the SPD (Seral Presence Detect) EE-
PROM on the DRAM module. Settng to [Auto] enables DRAM tmngs and the followng
“Advanced DRAM Configuraton” sub-menu to be determned by BIOS based on the
configuratons on the SPD. Selectng [Lnk] or [Unlnk] allows users to configure the
DRAM tmngs for each channel and the followng related “Advanced DRAM Configura-
ton” sub-menu manually.
Advanced DRAM Configuraton
Press to enter the sub-menu.
Command Rate
Ths settng controls the DRAM command rate.
tCL
Controls CAS latency whch determnes the tmng delay (n clock cycles) of startng
a read command after recevng data.
tRCD
Determnes the tmng of the transton from RAS (row address strobe) to CAS (col-
umn address strobe). The less clock cycles, the faster the DRAM performance.
tRP
Controls number of cycles for RAS (row address strobe) to be allowed to pre-charge.
If nsufficent tme s allowed for RAS to accumulate before DRAM refresh, the DRAM
may fal to retan data. Ths tem apples only when synchronous DRAM s nstalled
n the system.
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