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Bad VS512MB400 Module


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Got a bad VS512MB400 Module.

Purchased a VS1GBKIT400 in June consisting of 2 modules of PC3200 DDR400. Installed this week in a Intel D865GBFL, only the CPU (P4E-2.8Ghz, 800MhzFSB, 1MBL2), Memory (VS512MB400 X 2), Power Supply (550Watts ATX 2.0), Fans, Monitor, and Keyboard. During test run the unit failed to post or even generate sync for the monitor. When the offending DDR module is removed the system post and the bios settings where checked. All setting are currently set to the Intel defaults which basicly means everything is "Auto". Chipset Ram settings in "Auto" are 8, 2.5, 2, 2 which are what is reflected in the Corsair Data Sheet. Initial Memory configuration was bank A slot 0 and bank B slot 0 for 1024MB. Removed the good module and put the suspect module in alone (bankA slot 0) and system failed to post. Tried in all banks and slots to no avail. I then did the same procedure with the good module and system post good no matter which bank/slot is used. So I'm reasonably sure the one module is bad.

Question? Do I return the single bad module or the pair?

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  • Corsair Employees

Please make sure you have the latest BIOS installed for your MB and load optimized defaults settings, and try the following BIOS settings;

CPU Freq: 200 MHz (800 FSB)

Memory Frequency: 400

Memory Timing: Optimal/Auto/SPD/Enabled

DDR Reference Voltage: 2.7 Volts

All other settings are motherboards defaults

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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Per your instructions, Bios upgraded, and settings set per your direction. Ran MemTest86 on the known good module selecting all test for 3 passes, it checked out great.


Removed Good module and installed suspect module, results were pretty much as before. Post reports only 9MB followed by "MEMORY R/W ERROR"

"PRESS F4 TO RESUME" After pressing F4 the system attempts a reboot.

Monitor loses vsync, post runs again and reports with 3 beeps (first 64K of memory error) and halts. The machine never gets the opportunity to boot Memtest86.


Removed suspect module, re-insert known good module, re-ran all test for 3 passes again, module checks good.


I'm not a rocket scientist, but I'm pretty sure this one module is DOA.

I would greatly appreciate an RMA# so I can get this module replaced promptly. Thank You.

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I am having the same problem. I followed the same instructions as was recommended. My computer fails to boot completely with the bad module. I bought the same set of two 512mb from tiger direct. I have exhausted all of the options suggested and would like an answer on how to proceed. Should I contact Tiger Direct or will you guys take care of this situation. I bought the modules back in April. Suddenly one chip is not being recognized and the other is fine. Thanks for your help with this.
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