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MS-7581 Manboard
▶
Adjusted DRAM Frequency (MHz)
It shows the adjusted DRAM frequency. Read-only.
▶
QPI Rato
Ths tem allows you to set the QPI multpler.
▶
Adjusted QPI Frequency (MHz)
It shows the adjusted QPI frequency. Read-only.
▶
ClockGen Tuner
Press <Enter> to enter the sub-menu and the followng screen appears.
▶
CPU Ampltude Control/ PCI Express Ampltude Control
These tems are used to select the CPU/ PCI Express clock ampltude.
▶
Adjust PCI-E Frequency (MHz)
Ths field allows you to select the PCIE frequency (n MHz).
▶
CPU VCore/ CPU VTT (V)/ PCH 1.8V (V)/ DRAM Voltage (V)/ DDR_VREF_CA_A (V)/
/ DDR_VREF_CA_B (V)/ DDR_VREF_DA_A (V)/ / DDR_VREF_DA_B (V)/ PCH 1.05V
(V)
These tems are used to adjust the voltage of CPU, Memory and chpset.
▶
Spread Spectrum
When the manboard's clock generator pulses, the extreme values (spkes) of the pulses
create EMI (Electromagnetc Interference). The Spread Spectrum functon reduces the
EMI generated by modulatng the pulses so that the spkes of the pulses are reduced
to flatter curves.
▶
PCIE Spread Spectrum
Ths tem s used to adjust the PCIE spread spectrum range.
Important
If you do not have any EMI problem, leave the settng at [Dsabled] for optmal system
•
stablty and performance. But f you are plagued by EMI, select the value of Spread
Spectrum for EMI reducton.
The greater the Spread Spectrum value s, the greater the EMI s reduced, and the
•
system wll become less stable. For the most sutable Spread Spectrum value, please
consult your local EMI regulaton.
•
Remember to dsable Spread Spectrum f you are overclockng because even a slght
jtter can ntroduce a temporary boost n clock speed whch may just cause your over-
clocked processor to lock up.
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