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TWINX CMX512-3200C2PT faulty


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Module details:


TWINX 2 x 512CMX512-3200C2PT





Rated to 400MHz CL2


I purchased these chips whilst living in the US, and ran them under speed (2700 speeds) initially. On coming over to the UK (With system) i uprgraded and bought an AMD system, and opted to run at a 400MHz FSB, on an Nforce2 ultra chipset. These modules failed to run at CL2 on this setup and so i was forced to run at 2.5 - checking the product specs it said it had only been tested on AMDs to CL2.5


However i recently upgraded to a Asus P5P800 and a PIV 540 (3.2GHz, 1mb cache, HT)


This is an 800FSB setup, but the RAM will only run at CL2.5 again, and fails to boot at CL2 - running memtest is impossible as it will not boot.


All settings in the BIOS have been altered and returned to default - still no go. Latest BIOS etc. Having ran memtest at CL2.5 it generated a few errors, but as i say testing at CL2 is impossible due to failed boot.


Tested system with a friends Geil memory and it booted at CL2 without problem.


I dont want to test which stick is causing the problem (Though i suspect both) as i purchased them as a matched pair - and expect them to work as described, as a pair.


Eagerly awaiting a response,





PS: i am a little concerned about how i will go about the RMA process as i do not see any contact details in the UK.


Please advise on how i return them and who will pay costs...

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  • Corsair Employee

Please test the modules one at a time with http://www.memtest.org and I would set the Dim Voltage to 2.7 Volts as well. If you do find one failing then lets get it or them replaced. Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

However; if you get errors with both modules, that would suggest some other problem. And I would try testing the memory in another system to be sure.

And you would pay the shipping to us and we will pay the shipping back to you. But talk to our customer service they may be able to help you if you have any problems.

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