MSI MS-7512-010 User Guide - Page 65

DDR_VREF_A / DDR_VREF_B / NB Voltage V / NB GTL REF / VTT FSB Voltage

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Page 65 highlights

MS-7512 Mainboard FSB/DRAM Ratio This item will allow you to adjust the FSB/Ratio of the memory. Adjusted DDR M emory Frequency It shows the adjusted DDR Memory frequency. Read-only. Adjust PCI Frequency (MHz) This field allows you to select the PCIE frequency (in MHz). Auto Disable DRAM /PCI Frequency W hen set to [Enabled], the system will remove (turn off) clocks from empty DIMM and PCI slots to minimize the electromagnetic interference (EMI). CPU Voltage (V) / CPU GTL REF0 / CPU GTL REF1 / DRAM Voltage (V) / DDR_VREF_A / DDR_VREF_B / NB Voltage (V) / NB GTL REF / VTT FSB Voltage / SB Voltage (V) These items dispaly the power status of Memory, FSB and chipset. Read-only. Spread Spectrum W hen 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. Important 1. 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, select the value of Spread Spectrum for EMI reduction. 2. The greater the Spread Spectrum value is, the greater the EMI is reduced, and the system will become less stable. For the most suitable Spread Spectrum value, please consult your local EMI regulation. 3. 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. 3-22

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3-22
MS-7512 Mainboard
1. 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,
select the value of Spread Spectrum for EMI reduction.
2. The greater the Spread Spectrum value is, the greater the EMI is reduced,
and the system will become less stable. For the most suitable Spread
Spectrum value, please consult your local EMI regulation.
3. 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.
Important
FSB/DRAM 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.
Adjust PCI Frequency (MHz)
This field allows you to select the PCIE frequency (in MHz).
Auto Disable DRAM/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).
CPU Voltage (V) / CPU GTL REF0 / CPU GTL REF1 / DRAM Voltage (V) /
DDR_VREF_A / DDR_VREF_B / NB Voltage (V) / NB GTL REF / VTT FSB Voltage
/ SB Voltage (V)
These items dispaly the power status of Memory, FSB and chipset. Read-only.
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.