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Computer freezes with multiple sticks of memory installed

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October 24, 2012 12:58:09 AM

Mobo: ASUS M4A79T Deluxe AM3 DDR3 AMD 790FX ATX AMD Motherboard

Memory: G.SKILL 16GB (4 x 4GB) Ripjaws Z Series DDR3 2133 (PC3 17000) 240-Pin Desktop Memory

I can only run computer with 1 stick of this memory or else my computer will freeze up at various time intervals. Whether it be during start up before it gets to desktop, or at any amount of time there after (1 minute to 5 hours). I was running G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory and had the same issue. I can only ever have 1 stick of memory in (doesn't matter what stick of mem I install) without any lockups. Only way out of a locked up computer is a hard reset. Sometimes I have to keep my computer off for a few minutes or else my computer screen won't turn back on with the computer (the computer will power on but won't start booting up windows).

I also just had to buy a new harddrive due to some kind of error that wouldn't recognize(?) that I had a harddrive installed. It would show in bios, but wouldn't boot from it. Also I couldn't overwrite the copy of windows that was on the harddrive and received some other error message.

This is driving my completely batty and would love some help on this. (I built this computer myself.)

Before you ask I've ran memtest86 on all stick of memory together and individually with no errors. I read that maybe my voltages could be off and could be causing the mobo to shut down.

So please help me out here. Thank you in advance.


Other hardware specs:
CPU: AMD Phenom II X6 1090T Black Edition Thuban 3.2GHz Socket AM3 125W Six-Core Desktop Processor
GFX: EVGA GTX550 ti Superclocked
October 26, 2012 3:27:58 AM

Is there something I should read? Can anyone here give me a hint please?
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a b } Memory
October 26, 2012 6:02:11 AM

try run at 1333 9-9-9-24 with 1.5v good luck
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October 27, 2012 12:40:17 AM

try to up your dimm vcc to 1.6 when youre running multiple sticks to be stable

and try loosening the timings
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October 27, 2012 5:03:11 PM

im running at 1333 8-8-8-24 1.5v at the moment. stable so far. was unable to run at 1600 9-9-9-24 1.5v. will try 1600 again and up my vcc to 1.6 like gene suggested. thanks.
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October 27, 2012 5:09:50 PM

up dram to 1.6v. started up just fine. going to run some programs and see how things go. fingers crossed.
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October 27, 2012 6:34:54 PM

so after 1 hour and 25 minutes flash player stopped working in browser, my game shut down, momentary lock up on desktop, and ultimately a bsod (memory_management). conclusion my mobo doesn't like my memory.

so now i'm back down to 1333mhz with dram still at 1.6v. we'll see how long this works.
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October 27, 2012 7:42:03 PM

just had bsod (PFN_LIST_CORRUPT) after about 5 minutes after restart. random bsod error messages seems like memory issues to me. not sure what to do from here. taking it back down to one dimm of memory until i can find out some new information.
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October 30, 2012 8:45:28 AM

loosen your timings to 9 9 9 24 33, with 1333, by the way have you checked your temps,
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October 31, 2012 12:02:56 AM

i haven't checked the fifth digit in timing....i'll have to check that now. and my temps are all well below any shut off point. thanks for the reply.
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October 31, 2012 4:36:17 PM

and also do not enable auto detect dimm clock and spread spectrun at the time. dis abling auto detect dimm clock is best.
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!