Sudden power off during AIDA64 GPU stress test with Gigabyte G1.Sniper 5 and Gigabyte GTX 780 (Dual SLI)
Hi,
My 4770K CPU is stable at 4.2 GHz (ran OCCT for 10 hours with no problem with reasonable temps) but when I run the ADIA64 GPU stress test it will run for a few minutes and then my system will suddenly power off. When I try to turn it back on, it doesn't post. It powers up with main bios and backup bios flashing alternately and no diag code. After I clear the CMOS, it goes back to normal. My power supply is an Antec HCP Platinum @ 1000 watts. I am on F7 BIOS with the G1.Sniper 5 (i updated from F5 when I found this issue but still occurs in F7 so BIOS may not be a factor) and my two Gigabyte GTX 780s are model GV-N780C-3GD. I am using the 327.23 nVidia drivers.
I have not had any sudden power down incidents when playing any games such as Skyrim, Mafia II, or Company of Heros 2 (yet).
Any thoughts or advice on how to solve? Thanks in advance for your help!
btw, what is the normal operating temperature range for the pch on the g1.sniper 5? I noticed it was in the 70s according to the PCH diode and in the 60s according to straight PCH - both valuse came from AIDA64. The PCH temps were just before the sudden power down. At idle is ~50 C PCH and ~60 C PCH diode.
My new rig:
Gigabyte G1.Sniper 5 | i7 4770K | Corsair HT100i cooler | 32GB Kingston HyperX Blue DDR3 1600 | Dual Gigabyte GTX 780s in SLI | Dell U2713HM 27'' 2560x1440 | Plextor M5 Pro 512GB | Samsung 840 Pro 512GB | 4 x HDs: 8 TB 7200 SATA III | LG BlueRay DVD | Cooler Master HAF XM | Antec HCP Platnum 1000 Watt | USB keyboard and Razer Imperator Mouse | Win7 Enterprise 64-Bit
