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Newly built home gaming system. I orginally built this system about 3 weeks ago using TWINX1024-3200C2PRO modules. The memory and system have been very stable.


In an attempt to upgrade to 2GB - I purchased the TWINX1024-3200C2 package. Tried to install, this memory will not register anything different than 512MB, no matter what combination it is insterted - DDR or single channel. When insterted with the existing 3200C2PRO modules the new memory does not register at all. Please assist.



Gigabyte GA-K8NXP-SLI


(2-SLI) Gigabyte GeForce 6800ULTRA

1GB Corsair C3200PRO Memory

(2-RAID0) Maxtor SATA300 Hard Drives

Plextor 716 Dual-Layer DVD




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DDR is the type of memory. It does not mean dual channel rate. Dual channel rate is a way of using the memory.


Try one stick at a time by itself in the first slot, see how they show up.


A single stick of new memory inserted alone shows up correctly in the first slot - 512MB registered. I confirmed that BOTH sticks register correctly inserted individually. Installing them in as a pair also registers just 512MB. That's the strange thing. I know it's not a bad slot, because the existing 3200CPRO modules register correclty in any slot or combination. Whacha think?

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Can you tell me our modules part# and revision for all of your modules?(How To Read the Memory Label)



Thanks for responding.


The new memory I am having trouble with:


part # is CMX512-3200C2

modules # is XMS3202v4.2

LOT # is 0503077-3


XMS3200 512MB 400MHz CL2



The existing memory modules that have been working fine:


part # is CMX512-3200C2PR

modules # is XMS3202v5.1

LOT # is 0506086-1


XMS3200 512MB 400MHz CL2

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Please test the modules one at a time with http://www.memtest.org and I would set the Dim Over voltage Control to +.2 volts as well.


Hi -

I ran the memtest application on each module one at a time.

One passed just fine

One recieves errors on TEST 5 each time. 12000+ errors 510.8MB

This test was run several times.

I assume this means a bad module. What's the next step for RMA?

Thank you.


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Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!


I have filled the form, followed up with an e-mail and have not recieved an RMA number. What can I do to get this replaced ASAP?


Thanks so much

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