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2 x VS512MB400 on MSI K8T Neo2


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I just bought a new computer and had 2 x VS512MB400 memory installed on the MSI K8t Neo2 with an Athlon 64bit 3000+.

mult: x9

FSB: 200

With the default settings DDR333, I had lots of crashes, so I ran your memTest program and at test #5, I had lots of errors. So I reduced the mem frequency to DDR200 (3-2-2-5) and no more errors. The voltages were both set to 2.7v


How can I set it so it can use the full DDR400 or DDR333 without problems?

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Try one stick at a time with the correct timings:


CAS Latency (tCL): 2.5

RAS to CAS Delay (tRCD): 3

Row Precharge (tRP): 3

Active to Precharge Delay (tRAS): 8


Memory Voltage: 2.75 Volts

All other settings to defaults.

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I just tried your settings and they each run at 400 and theres no problem individually.


I installed both memory on Dimm1 and Dimm2, I could not install it on Dimm1 and Dimm3 nor Dimm2 and Dimm4 because it just hangs when I open the computer.


Is there anything else I can do? So I can get the full 400 or a stable 333?


thanks again

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  • Corsair Employees

Please make sure that you have the latest BIOS installed on your MB and set the following BIOS settings;

DRAM Configuration :

Max Memclock: Limit or 200

1T/2T Memory Timing : 2T

CAS# latency (Tlc): 2.5

RAS# to CAS# delay (Trcd): 3

Min RAS# active time (Tras): 8

Row precharge Time (Trp): 3

High Performance Mode : Manual

Aggressive timing : DISABLED

Dynamic Overclocking: DISABLED

Spread Spectrum : Enabled

HT Frequency : 5x

Cool’n’Quiet: Enable

Adjust CPU Rotation: Startup

Adjust CPU FSB Frequency: 200

Adjust AGP Frequency: 66

Adjust CPU VID 1.500v

CPU Voltage: By CPU VID

Memory Voltage : 2.75

AGP Voltage: 1.50V *1.6V if you have 9200 or 9600 ATI or 5200 or 5700 Nvidia card.

All other settings should be left to MB default settings.

Then please test them one at a time with http://www.memtest.org and let’s make sure it's not some other issue! I would run the test for at least 2-3 passes to be sure!

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