ECS A55F-A2 User Manual page 50

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Memory Clock DCT1 is:(DDR-1333/667 Mhz)
This item shows current memory clock of DCT1.
Command Rate (1T)
This item allows users to set command rate.
CAS#Latency(tcl) (9 CLK)
This item determines the operation of DDR SDRAM memory CAS(colulmn address strobe).
It is recommanded that you leave this item at the default value. The 2T setting requires faster
memory that specifically supports this mode.
RAS# to CAS# Delay(tRCD) (9 CLK)
This item specifies the RAS# to CAS# delay to Rd/Wr command to the same bank.
Row Precharge Time(tRP) (9CLK)
This item specifies Row precharge to Active or Auto-Refresh of the same bank.
RAS# Active Time(tRAS) (CLK)
This item specifies the RAS# active time.
CPU Over-clocking Func. (Enabled)
This item decides the CPU over-clocking function installed in your system. If the
over-clocking fails, please turn off the system power. And then, hold the PageUp
key (similar to the Clear CMOS function) and turn on the power, the BIOS will
recover the safe default.
Spread Spectrum (Disabled)
If you enable spread spectrum, it can significantly reduce the EMI (Electro-Magnetic
Interference) generated by the system.
IGD Over-clocking Func.(Disabled)
This item enables or disables IGD over-clocking function.
CPU Voltage (Default)
This item allows users to adjust the CPU voltage.
VDIMM Voltage (Default)
This item allows users to adjust the VDIMM voltage.
Using BIOS