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SG05 setup crashing

R

ReillyRoo

Weaksauce
Joined
Sep 26, 2008
Messages
76
ok, i had another thread about this set up a while back. i RMAd the case and everything started working fine for about a month.

now i have some new issues, that i have done everything i know how to do and i can not seem to figure it out.

my set up is :
SG05 Case
Zotac 9300 mobo
2gb ram
quad core 9400 intel 2.66mhz
nvidia 8900gtx 512mb


the story:
computer turned itself off one day for no reason.
i thought it was heat, so i took the cpu off and cleand it, and applied new paste.
put it back on, and the computer would not POST.

i removed the heat sync to see if that would make it POST and it did.
so i replaced the heat sync and it did not post again.
i loosened one bolt of the heat sync and it posted!?!

the computer ran for a few minutes and then turned it self off again.

i took everything out. cleaned the board, checked for burn marks or anything. found nothing.

put it all back in. computer did not post.
switched the RAM. the computer posted!?!

awesome.

turned it back on, it ran for a day with no issue. then crashed again.

now it will run randomly and turn it self off randomly. no clear interval. no relation to heat.
it does it with or without the GPU in it. it does it with two different sets of ram.

i am totally fed up, and im past the 30mark so i cant easily send things back. i could RMA things individually with their respective companies but i have no idea what is causing these issues. i have always built AMD machines in the past so i have no intel mobo's or CPUs laying around to swap out and test.

i would be willing to sell every part, but im not sure who would buy it as i can not guarantee the stability of this set up.

i just cant figure out whats wrong.
 
Have you checked all voltage? Maybe it's not giving enough juice to NB? or RAM? I first though maybe heat or PSU but you tested it wasn't heat. Have you tested with other known good PSU? If all that doesn't fix it, I would assume it's motherboard.

Any other thoughts anyone?
 
Try fixing a 8cm fan on the chipset, I had random shutdowns at hot days, it's the chipset overheating not the cpu.

I used the fan from a d945gclf2 but it was tooooooo loud, so I used an slim 8cm fan from the psu of an apex MI-100, it worked wonders for me.

It seems it'll shutdown if chipset reaches 100c, can't get any temps if mgpu is disabled, but now my temps with mgpu enabled are awesome.
 
fr500 said:
Try fixing a 8cm fan on the chipset, I had random shutdowns at hot days, it's the chipset overheating not the cpu.

I used the fan from a d945gclf2 but it was tooooooo loud, so I used an slim 8cm fan from the psu of an apex MI-100, it worked wonders for me.

It seems it'll shutdown if chipset reaches 100c, can't get any temps if mgpu is disabled, but now my temps with mgpu enabled are awesome.
Click to expand...

my temps are as follows:
mcp: 44c
hdd: 29c
gpu: 56c
cpu: 44c

are any of these hot enough to cause a shutdown?
 
i'm going with motherboard since you said it posted when you loosened the CPU heatsink.

I'm just shooting in the dark here but you might be bending something by overtightening and perhaps that is causing it to fail...seems like a mobo.
 
Seems like everyone is pointing to mobo like I said. :( Glad I returned mine when it got fried shortly after I got it. I'm waiting for DFI now.
 
ReillyRoo said:
ok. im going to send back the mobo, and see what happens.
Click to expand...

The common factor in the scenarios you've described is: results can change when you do something that can wiggle the motherboard.

It could indeed be a bad board. But it also strikes me as possible that you have some metal touching the board and shorting it. Make sure you don't have anything conductive contacting the board in places that it shouldn't--pay special attention to the underside of the board.
 
i just checked and my cpu temp after an hour of farcry 2 is 55c.
is that hot enough to be a problem?
 
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