Msi H55M-P33 User Manual download pdf (Page 58)

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BIOS Setup

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MS-7636

BIOS Setup

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MS-7636

tsrWrTRd/ tddWrTWr/ tsrRDTRd/ tsrWrTWr

These tem show the advanced DRAM tmngs.

Channel 1/ Channel2 Advanced Memory Settng

Settng to [Auto] enables the advance memory tmng automatcally to be determned

by BIOS. Settng to [Manual] allows you to set the followng advanced memory tm

ngs.

Memory Rato

Ths tem allows you to set the memory multpler.

Adjusted DRAM Frequency (MHz)

It shows the adjusted DRAM frequency. Read-only.

QPI Rato

Ths tem allows you to set the QPI multpler.

Adjusted QPI Frequency (MHz)

It shows the adjusted QPI frequency. Read-only.

ClockGen Tuner

Press <Enter> to enter the sub-menu and the followng screen appears.

CPU Ampltude Control/ PCI Express Ampltude Control

These tems are used to select the CPU/ PCI Express clock ampltude.

Adjust PCI-E Frequency (MHz)

Ths eld allows you to select the PCIE frequency (n MHz).

Auto Dsable DRAM/PCI Frequency

When set to [Enabled], the system wll remove (turn o) clocks from empty DIMM and

PCI slots to mnmze the electromagnetc nterference (EMI).

CPU Voltage (V)/ DRAM Voltage (V)/ PCH 1.05(V)

These tems are used to adjust the voltage of CPU, Memory and chpset.

Spread Spectrum

When the manboard’s clock generator pulses, the extreme values (spkes) of the pulses

create EMI (Electromagnetc Interference). The Spread Spectrum functon reduces the

EMI generated by modulatng the pulses so that the spkes of the pulses are reduced

to atter curves.

Important

If you do not have any EMI problem, leave the settng at [Dsabled] for optmal system

stablty and performance. But f you are plagued by EMI, select the value of Spread

Spectrum for EMI reducton.

The greater the Spread Spectrum value s, the greater the EMI s reduced, and the

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Msi H55M-P33 User Manual Page 58

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