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classified has weird cbb issues around -40 to -60/70. Going lower than -70 should resolve them though. You have the jumper set for cold clocks, and mode 2 set inbios right? (assuming 762 has those options like 759/760).
It may also be an IMC coldbug on your cpu. try raising VTT voltages and see if that helps. :thumbsup: |
The E762 is absent of the cooling mode in the bios and only has the x-jumper. On this particular board, especially last night, I've seen cb(s) and cbb(s) at exactly -42c and -73c, but not consistently. It will consistently bug at -110c on this board vs -120c on the E759.
The only variable change between motherboards is I'm running a heftier vtt on the E762 vs E759. The wierd thing is that arnt these cold bugs supposed to be cpu dependant rather than motherboard? |
If it wont boot at a certain temp that is the board yes. Classi will have "boot holes" throughout the negative temp ranges. For instance mine will cbb from -20 to -62 lower than that is fine until you get to -91 and lower it cbb's. So I have the window of -62 to -92 I have to boot into, after that in windows Ive taken it as low as -140
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Yep, its wierd man, cuz it's bugged in windows at these sporatic temps, followed by a boot bug. It's just been too damned squirly and quite frankly it pissed me off. Haven't quit yet tho, just needed a breather before I went grape ape on the board.
I'm in my happy place now :D (bout to strap some 5870's to the board) |
LOL grape ape. You are old :)
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Meh, McGilla Gorrilla is old, lol. :laughing:
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I found the same thing with my 975 damn thing cold boots below -40 if I change a setting that requires a cold start. Small changes and it is not affected. I know it is a big temp range but between -60 and -90 is ok outside that and outcome is not predictable on my 975. I generally try and maintain -90 during a 3d run. I have never tried pouring multiple pots just the cpu. I know during a vantage or 06 run I am using a thermos plus with controlled pours to maintain temps. The sucky part is a pour at the end of one of the tests while temps are hovering at the cold bug range can blow the run to shit break out the heat gun or torch. Pouring LN2 during 3d runs is an art form as far as I am concerned. A heat gun or small torch will help bring the temps into range without much defrosting or moisture. I keep a high wattage heatgun plugged in and can generally get back into booting temp range in 20 to 30 seconds at the most. If I find I am really unstable I will let the temps come down to -30 before trying to change settings and rebooting.
Now once the urge to hip throw the board subsides kick that thing in all four of it's GPU nuts and break 36K |
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When I say I'm busy, I MEAN IT!
Leave me along, I'm really busy atm :taunt:
Tryin to get all this insulation crap done :Dizzy: in a timely fashion. http://www.overclockaholics.com/Kal/...LN2/Erased.JPG |
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