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BIOS Setup
DRAM TWR
When the Configuration DRAM Timing by SPD sets to [Disabled], the field is
adjustable. Minimum time interval between end of write data burst and the start
of a precharge command. Allows sense amplifiers to restore data to cells.
DRAM TWTR
When the Configuration DRAM Timing by SPD sets to [Disabled], the field is
adjustable. Minimum time interval between the end of write data burst and the
start of a column-read command. It allows I/O gating to overdrive sense amplifiers
before read command starts.
DRAM TRRD
When the Configuration DRAM Timing by SPD sets to [Disabled], the field is
adjustable. Specifies the active-to-active delay of different banks. Time interval
between a read and a precharge command.
DRAM TRTP
When the Configuration DRAM Timing by SPD sets to [Disabled], the field is
adjustable. Time interval between a read and a precharge command.
FSB/Memory Ratio
This item will allow you to adjust the FSB/Ratio of the memory.
Adjusted DDR Memory Frequency
It shows the adjusted DDR memory frequency. Read-only.
Auto Disable DIMM/PCI Frequency
When set to [Enabled], the system will remove (turn off) clocks from empty DIMM and
PCI slots to minimize the electromagnetic interference (EMI).
Memory Voltage (V)
This item will allow you to adjust the Memory voltage.
SB Voltage
This item will allow you to adjust the South bridge voltage.
Spread Spectrum
When the motherboard’s clock generator pulses, the extreme values (spikes) of the
pulses create EMI (Electromagnetic Interference). The Spread Spectrum function
reduces the EMI generated by modulating the pulses so that the spikes of the pulses
are reduced to flatter curves. If you do not have any EMI problem, leave the setting at
Disabled for optimal system stability and performance. But if you are plagued by EMI,
set to Enabled for EMI reduction. Remember to disable Spread Spectrum if you are
overclocking because even a slight jitter can introduce a temporary boost in clock
speed which may just cause your overclocked processor to lock up.