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Gigabyte GA-EP45-DS4P/Corsair BSOD


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I've been having a frustrating time with my system, mostly because I haven't been able to determine to my satisfaction whether my problem is software or hardware based, and further whether it's due to bad component(s), or bad settings/incompatibilities.


First, me:


Self taught computer geek with a (very rusty) Engineering degree gathering dust somewhere. I've been demoted from "Child Prodigy" somewhere in the '80s to "Obsolete Fossil" now. I've been building my own machines regularly for about 15 years, but sadly every year I understand what I'm doing a little less, are rely on dances and rituals to empower the strange artifacts falling from the gods' sky-cities. I'm reasonably savvy under the hood (but feel naked without my soldering iron), and can follow directions pretty well even if I've long lost the insight into figuring out what the hell Windows is actually doing.


All drivers and BIOS are current, nothing is overclocked, but a word about the age of some of the components:


I've had a string of "Bad luck" before with this box, starting with what I think was a rotten power supply last year, so...


The RAM is new (04/09), "Upgrading" from 4x 1GB 800MHz ******** sticks (two slightly different sets of two)

The MB is new (05/09) replacing an identical model which got "damaged" when installing the RAM (Stuck in S3 infinite loop)

The CPU is new (05/09) impulse purchased when replacing the MB (old was a E6600 -- wasn't positive it wasn't damaged from earlier)

The Power supply, the 250GB HD, and the video card are from last fall (along with the MB which just got replaced)

The Sound card was added 6-9 months ago

The RAID drives, optical drives and case are a little older, though the RAID was wiped and rebuilt in September (this is also when XP was installed)


Of Note, I was having minor problems with the old RAM and MB (same model MB but different physical unit), which is why I opted to replace the RAM in the first place. The old (RMA'd) MB, RAM, and CPU have already been adopted by a loving home out of town, so please don't suggest that I retry them.


The problem I'm having:


When I rebuilt the system in May, the machine was completely stable for about a month, working what I'd consider 100% normal.


Out of the blue (sorry for the pun), I began seeing BSODs. These would occur anywhere from a few minutes, to typically a few hours after booting, unrelated to system activity/load. Most commonly, if I left the machine idle overnight (typical for me), in the morning it would be frozen or BSODed.


The BSOD stop codes would vary, but typically would point to the RAM.


Windows on restarting would report recovery from a "Serious error," with either the details "corrupted," or claiming the culprit as an unspecified "bad driver."


If I immediately (warm or quick cold) reboot and run a RAM checker (either MemTest86 or the Windows one), I see multiple errors in random addresses on both sticks. These go away if I leave the system off for a few minutes and restart.


What I've done/thought:


If I simply shut the system down and full cold boot, the problem "Resets" and I get (typically) a few hours of stable computing.


I flashed the BIOS to a newer version (No effect)

I've updated all drivers I could think of (NE)

I've adjusted BIOS settings, including varying RAM voltage and slowing down the RAM to 800MHz (NE)

I've "cleaned" my Windows registry (to the best of my ability) (seemed to make the machine last longer at first, but probably NE)

I've done a Repair Install of XP on my main drive (currently the RAID) (NE)

I've done a clean XP install on the non-RAID drive (same problem, plus its boot sector keeps getting corrupted for some reason, bad "HAL.dll" typically)

I've run Chkdsk /p ("Fixed" some bad sectors, otherwise NE)

I've run the RAM sticks individually in different slots (NE)

I've checked system temperatures, I have no direct way of monitoring RAM temp, but the system is always cool when I check (40-50oC), and the crash often happens when not under heavy load.

I've cold booted and run Memtest (without ever going into XP) and it's gone 8-12 hours without any errors



What I'm not presently willing to do:


Buy a Mac

Pith myself (equivalent)

Live without a desktop PC

Punt to Alienware (though starting to think about it...)


I'm kind of at my wits end here, as I'm loathe to do a full HD wipe and reinstall (in case it's really a hardware problem), or start replacing hardware that isn't all that old (in case some driver is really the problem). Sorry for the Wall of Text, but any thoughts would be a big help!



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  • 3 weeks later...

Sorry this thread got skipped. Have you had any luck resolving this yet? If not, please make sure you are using the most recent version of Memtest from this site, ver. 2.11.


www. memtest.org


Test each module individually for 3-5 passes each. Make sure you have manually set the memory voltage and timings.

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  • 2 weeks later...

I can't really say for certain that I've fixed the problem, but I'm cautiously optimistic. From what I've read, the Gigabyte MB seems to be really fussy about RAM.


I replaced my Corsair RAM with 4GB of cheap, second-hand memory from a manufacturer I never heard of, that happened to be on the Gigabyte Qualified Vendor List (tough to find, most of the modules on that list are several years old and not well distributed in the USA). My system has been up for about 48 hours now with no crashes or instability. The new RAM is only 800MHz with less robust timing, but if it works, that'll be good enough.

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  • 1 month later...

Sorry to bump but had the same issues was running generic ram of 800mhz a 1 gig stick as well as a 2 gig both with differnt latency. Purchased a 4 gig kit of cm2x8500c5c which after a couple of minutes gave bsod ran memtest and returned 13000 errors over a twelve hour period. Returned the ram to place of purchase and got a new set and again returned bsod ram memtest but got not one error in a twelve hour period.

Put old ram in runs like a charm placed the ram in another computer and no problems either, placed it back into this pc didnt last 1 minute before bsod again.

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