- Joined
- Oct 22, 2005
- Messages
- 634 (0.09/day)
- Location
- A suburb of Chicago, IL
System Name | The W.O.P.R. |
---|---|
Processor | Core i7 920 D0 @ 4.0GHz 1.24 vcore |
Motherboard | ASUS P6T |
Cooling | Xigmatek S1283 with push\pull fan configuration. |
Memory | 6GB Mushkin DDR3 1600MHz 7-8-7-20 |
Video Card(s) | 2 - ASUS EAH5850 CrossfireX |
Storage | 1TB WD Black |
Display(s) | I-INC 28" 1920x1200 HDMI |
Case | Ultra M998 |
Audio Device(s) | Realtek HD |
Power Supply | Corsair TX750W |
Software | Windows 7 Enterprise 64-bit |
I am at my wits end. I just purchased a Gigabyte EP45-UD3P and a Q9550 to replace my Q6600 that just died on me. I am trying what seems to be a very mild overclock for this chip, 3.4ghz (400x8.5). I can't seem to get this stable to save my life. I have used bios F6 and F8 and have the same results. The Q9550 is a E0 chip, and I have upped to voltage all the way to 1.34 in the bios, about 1.29-1.3 in windows according to CPU-Z.
I use OCCT for testing, and it never gets past 18 mins without rebooting. I never get a error in OCCT, the computer just reboots. I am using 4gb of GSkill (2x2gb sticks), and I am running them at 1066 spec, 2.1 volts. After one of the reboots, I ran Memtest with these settings, and the ram did not produce any errors. I have tried leaving the voltages to auto, turned VTT up from 1.2 to 1.26, MCH from 1.1 to 1.3, but none of these helped. I tried turning on loadline calibration, but this causes the motherboard to reset when posting, and it tells me that my overclocking or voltage settings fails.
My power supply never drops under 12.3 volts when loaded, it is a OCZ GameXstream 700watt.
I am running Vista64, and the OS seems fine. no data corruption from what I can tell.
Also, the hottest any core got was 52, according to realtemp, so heat is not a issue.
What could be wrong, I have seen plenty of post in other forums about guys hitting 4.0ghz stable with less voltage, I am only trying 3.4:shadedshu
I use OCCT for testing, and it never gets past 18 mins without rebooting. I never get a error in OCCT, the computer just reboots. I am using 4gb of GSkill (2x2gb sticks), and I am running them at 1066 spec, 2.1 volts. After one of the reboots, I ran Memtest with these settings, and the ram did not produce any errors. I have tried leaving the voltages to auto, turned VTT up from 1.2 to 1.26, MCH from 1.1 to 1.3, but none of these helped. I tried turning on loadline calibration, but this causes the motherboard to reset when posting, and it tells me that my overclocking or voltage settings fails.
My power supply never drops under 12.3 volts when loaded, it is a OCZ GameXstream 700watt.
I am running Vista64, and the OS seems fine. no data corruption from what I can tell.
Also, the hottest any core got was 52, according to realtemp, so heat is not a issue.
What could be wrong, I have seen plenty of post in other forums about guys hitting 4.0ghz stable with less voltage, I am only trying 3.4:shadedshu
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