MSI K9N Neo V3 Series User Manual download pdf (Page 51)

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MS-7369 Mainboard

Adjust CPU FSB Frequency

This item allows you to select the CPU Front Side Bus clock frequency (in MHz).

Adjust CPU Ratio

This item allows you to set the CPU ratio.

Advance DRAM Configuration

Press <Enter> to enter the sub-menu and the following screen appears.

MCT Timing Mode

This field has the capacity to automatically detect all of the DRAM timing. If you

set this field to [Manual], the following fields will be selectable.

CAS# Latency (TCL)

When the MCT Timing Mode sets to [Manual], the field is adjustable.This

controls the CAS latency, which determines the timing delay (in clock cycles)

before SDRAM starts a read command after receiving it.

Min RAS# Active Time (TRAS)

When the MCT Timing Mode sets to [Manual], the field is adjustable. This

setting determines the time RAS takes to read from and write to a memory cell.

RAS# Precharge Time (TRP)

When the MCT Timing Mode sets to [Manual], the field is adjustable. This item

controls the number of cycles for Row Address Strobe (RAS) to be allowed to

precharge. If insufficient time is allowed for the RAS to accumulate its charge

before DRAM refresh, refreshing may be incomplete and DRAM may fail to retain

data. This item applies only when synchronous DRAM is installed in the system.

RAS# to CAS# Delay (TRCD)

When the MCT Timing Mode sets to [Manual], the field is adjustable. When

DRAM is refreshed, both rows and columns are addressed separately. This

setup item allows you to determine the timing of the transition from RAS (row

address strobe) to CAS (column address strobe). The less the clock cycles, the

faster the DRAM performance.

Important

Change these settings only if you are familiar with the chipset.

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MSI K9N Neo V3 Series User Manual Page 51