ViciousXUSMC Posted December 22, 2005 Posted December 22, 2005 Ok this is a common thread here on the forums, and I am sure alot of you are getting sick of having to give the same answers over and over again. But this I assure you is not a common problem, I have been here and there and nobody can seem to figure it out including me. Long Post for detail please read it and help me dont be scared! Here is the lowdown. I get random shutdowns of the PC, it does not matter if its idle, or in a game, or prime.. it is random. Heat is not the issue: I am using a high end water cooling setup (swiftech h20 apex) so temps are always great, even PWMic's are cool with a fan blowing directly on them. Power is not an issue: Only guess anybody had was my psu was the problem... I knew it wasnt since I had tested it vigerously with a multimeter and I am very well knowledgable with electronics and how they work.. but to eliminate that as a probem in a desperation I got the best of the best PC Power & Cooling Turbo 510 SLI so now I KNOW power is ok. Memory seems to not be the issue: I had a setup prior to this one a opteron 146 Oced to 2.9ghz on air with my 1gb of OCZ ram, had it stable up to DDR600, that same ram was in this computer for a while and I had the problems, Its memtest stable overnight, prime95 stable, and game stable.. plus when I was first tweaking memory for stablity in high clocks if I did get it to an unstable value id get a restart, or a blue screen... not a shut down. So memory seems to not be an issue... right now im only running DDR500 @ 510 so im barly pushing it. Factors: It happens more at higher voltages, when I had high 3ghz OC's with higher voltage (1.55v) it could shut down on me as much as 2 or 3 times a day, I noticed as I lowered my cpu voltage they happen much less often, and at stock voltage they "never" happend but latley I got 2 shutdowns in the last 2 weeks @ 2.8ghz 1.45v wich is pretty much stock... so its still happening to me even at stock voltage just not as often. Things I have seen: My girlfriend actully saw this one day I had 1.7v for cpu and was running 3dmark05 for a bench score at 3.1Ghz and she saw a blue spark near the corner of the PC where my black light was... I have checked it and see no evidence of burns or sparks... but if the black light was grounding or shorting out I should see the light fail and thats not happening, and that doesnt explane why higher cpu voltage would be the X factor. Other info: I never had a single shut down with the old cpu (the 146) and on air cooling.... but I also ran the cpu at stock votage 1.4v this started when I put the new cpu and water cooling in.. not sure if that has any bearing. Leads Lead1: My only leads right now are maybe the black light is shorting out, so gonna take it off when I get home and see if the issue goes away but I doubt thats the problem. Lead2: I have bios 623-1 wich uses the yellow ram slots according to a post I saw here and also the manual tells me to use the yellow slots... while totally stable in all those test and games.. I just today read a post saying yellow slots have to use a 2t command rate to run correctly... this combined with my knowledge of the old memory controllers (clawhammer) that shut down the pc if running with incompatible memory setups (in the clawhammers case 4 dimms or 1gb dimms caused issues often) so maybe the cpu has an issue and shuts down the pc.. still I think id get a restart or a blue screen much like if I OC the ram too high not a total system shut down. If the black light doesnt fix, then I will try this next. Besides those 2 things I am trying I am deserpate for help with the issue, any recomendations and help are very much appreciated. Quote Share this post Link to post Share on other sites More sharing options...
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