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Dual Channel Memory comes up as Single Channel


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I just bought two sticks of Twinx512-3200XLPT (1 gig total) For my new MSI Neo2 Platinum motherboard. The problem is the mb shows it single channel and only as 333 mhz memory. I have read thru all the posts I could find about this problem and tried it all. I have the latest and greatest bios. I have even tried just using one stick and I dont have any of the problems that I do when I put the other one in. If anyone has a suggestion please let me know. I dont want to have to send the ram back till I have tried everything possible.


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I have tried slots 3 and 4, it will not post at all


I have tried Different timing settings probably every one that this forum suggests to try. I have tried every voltage setting. I am totally at a loss. It will work just fine if I just use one stick of memory.


MSI K8N Neo 2 Plat.

Amd 64 3500 (Socket 939)

I have the latest bios

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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 : 1T

CAS# latency (Tlc): 2

RAS# to CAS# delay (Trcd): 3

Min RAS# active time (Tras): 5

Row precharge Time (Trp): 2

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: 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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