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I purchased two sticks of 512 ram from Monarch Computers over a year ago and after speaking with their technical support I was pointed here.


After I started having major trouble with the system and trying everything else I attempted to reinstall windows XP. Windows failed to install repeatedly with kernal errors. I ran memtest on the advice of tech support and sections of the memory failed.


Using one stick of 512 from another system fixed the problem the problem with the windows install. Trying to use one or the other of the matched pair doesn't resolve the problem.

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Can you tell me our modules part# (How To Read the Memory Label) and the make and model of MB you have along with the CPU speed and it’s FSB as well? In addition, please tell me the bios settings you have set for both CPU and memory and any performance settings that you may have set?


CMX512-3200LLPT is the memory type. I tried the memory in two systems. The older one has an Asus A7N8X motherboard. AMD Athlon XP 3000+ CPU. 400 MHz FSB. When there were instability issues I replaced the 300w Antec with a Antec 400w smart power.


I tested the three auto memory timings available in the Bios and found no change. SPQ(? not sure if that is correct) which is suposed to read the timeing from the memory. At the time I checked the Corsair website to make sure that it was running at the right speed. Finding that it had installed correctly (or so I thought) I left the settings there.


Over time I updated the bios twice, double checked memory and CPU settings but still had problems with lock ups, BSOD errors, programs crashing. Photoshop caused the most problems with lock ups.


Frustrated I formatted the drive and tried to do a fresh install of windows XP. Windows wouldn't install and gave kernal errors. I tried swapping which drive windows was installing on, which IDE connector the drives were attached to.


Not having any luck with the system and being in the habbit of buying new parts instead of sending defective ones back. I purchased ABIT AV8-3rd eye and an AMD Athlon 64 3500+ processor. When windows refused to install I contacted Monarch computers technical support. They gave me a link to memtest and said it sounded like the RAM was bad.


I ran memtest and when it failed parts of the RAM. I tried it on both sticks one at a time. Both had errors. I needed to have a working system so I purchased one stick of 512 ram and installed it. Windows installed and the system has run for weeks at a time batch processing files in photoshop.


Not wanting to waste a copy of windows I built a system using the old motherboard, processor, and new ram. It also has run with out issue.


I apologize for the long post. I am just trying to be explicit in explaining all I have done to try and solve the issue with your ram. Thanks for your time.

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  • Corsair Employee

Please try these settings and test the modules one at a time with http://www.memtest.org.

CPU Freq: 200 MHz

System Performance: User Define

Memory Frequency: 100%

Dim Voltage to 2.7 Volts

Resulting Frequency: 200 MHz

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 6T

If you do get errors with both modules I would suspect some other issue, but if just one is failing please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

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