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I have 2 pcs of XMS3200 256MB, model CMX256A-3200LLPT. My computer started crashing 2 weeks ago randomly. I downloaded Windows Memory Diagnostic from Microsoft to check. By checking both memories together and separately, I have isolated the bad one. I wish to send the bad one in for warranty claim. Please let me know if the information I have above is sufficient for you to issue a RMA. Thanks
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My system consists of the following:


OS Windows Professional

MB Abit IS-7 with latest BIOS

CPU Pentium 2.8G

VC Nvidia Ti4200 128M

2x TWINX CMX256A-3200LLPT, one of which tested bad by Windows Memory Diagnostic


I ran tests with all combinations of each stick in different memory slots, as well as both sticks in 2 slots. All tests show that one is fully working and the other not.

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  • Corsair Employees

Please make sure that you have the latest BIOS for your MB and load Setup/optimized default settings, and try the following BIOS settings;

TwinX1024 or TwinX512-3200C2

Softmenu Setup

CPU Freq: 200

DRAM Clock: 400 MHz

CPU/DRAM ratio: 1:1 or 3:3

Memory or Dim Reference voltage: 2.75 Volts

System performance: Standard

AGP Voltage: Default *unless you have ATI 9200 or 9600 then 1.6 Volts suggested!*


Configure Dram timing by SPD: Disabled/User define

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 6T

SDRAM Burst Length: 8

All other settings should be set to 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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