New system with intermittent power outages

Forum CPU & Components : Power Supplies, Cases & Mods New system with intermittent power outages

Hi all,
I've just put together a new system. Specs are as follows:
Core i7 920
Gigabyte GA-EX58-EXTREME
Corsair TR3X3G1600C9
HIS ATI HD4870 IceQ4 Turbo
LiteOn SATA 20x Super All-Write L/Scribe
Samsung 1TB SATA2 HDD
Zalman ZM750-HP PSU

It's in an Antec P182, with 3 fans in the top compartment.

The problem is that it has intermittent power outages (like the power lead has been pulled from the unit) followed by an automatic reboot. I'm thinking along the lines of either heat or PSU. Any input?

Thanks
Cameron

Message quoted 1 times

Reply to cristounique

cristounique wrote :

I'm thinking along the lines of either heat or PSU. Any input?

What are your load temps?

Message quoted 1 times

------------------------------ 24 threads @ 4GHz
Reply to theAnimal

theAnimal wrote :

What are your load temps?

Using Real Temp the max is 72 at 98.6% load, with case open.

Reply to cristounique

Your hot but not hot enought to cause a restart.

Id say you got PSU problems and heat problems.

Reply to daship

If the system runs well except when playing games, it's probably your PSU.

Reply to jsc

Are you OCing?

------------------------------ 24 threads @ 4GHz
Reply to theAnimal

That's odd... googled "intermittent power outage home built" and find this case of a gigabyte ex58 extreme ...
I'm also using a new i7 on a Gigabyte board... an ex58 ud5 gigabyte board with a Nexus value 430 power supply.

No oc for me.

I found the main power cord was not fully engaged in the motherboard... and hoped that fixing that was a solution, but now it has turned off again... as always, when I'm not looking.

I'm now testing on an noninteruptable power supply. Was previously on a simple surge protector... but that hasn't been a problem in past for other machines. I hope this works! Maybe I've got bad line quality, or this machine is more sensitive than others? (but why?)

Mysteries.

Reply to mike2

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