Geil Memory failing memtest

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JC

JC

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I have a set of Geil 2gb PC6400C4 800mhz that was purchased on Jan5 07, although the computer has been working fine for the majority of the time I have had a few BSOD's and unexpected crashes from games.

I found out that people run Orthos to test for stability, this brought up an error after 2 hours.

I ran memtest86 (dos version) overnight to see if the problem was specific to the ram. I'm running the chip at stock at the moment.

266mhz fsb, ram 1:1 4-4-4-12 timings, +0.2v set, gave 13 passes and 5 errors overnight.

266mhz, ram 1:1 4-4-4-12 timings, +0.3v set, gave thousands of errors.

I'm suprised as I thought increasing the voltage would help, particularly as I'm only increasing volts within the rated limits.

Is this an immediate sign that something is faulty?
Is it necessary to perhaps lower the voltage to stock or +0.1v to test?

Without any spare modules here sending anything back for RMA is a bit of a hassle, but in particular the last thing I want is for them to be sent back as "ok", is there anything else I should test?
 
sorry to resurrect the thread but if this helps anyone then it was worthwhile.

Following on from the above mentioned problems I lowered the voltage from 2.1v down to stock volts now and the PC passed 24 hrs of memtest and 70 hours of orthos.
 
The memory is now set to +0.1V which I believe is 1.9V up from 1.8V, this passes memory tests unlike the settings at +0.2V or +0.3V.

I am running at 4-4-4-12, its an intel chip so I dont know anything about 1T or 2T?
 
The board is a Gigabyte 965P-DS3, seeing as I can get them to pass at 4-4-4-12 now I'm not going to loosen them to 5-5-5-18.
 
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