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Did i buy the wrong ram? - Page 3

post #21 of 58
Thread Starter 
Quote:
Originally Posted by damric View Post
Kingston seems to think that 1.9v is a safe voltage while tuning this RAM's latencies/frequency.

http://www.valueram.com/datasheets/KHX1600C9D3B1_2G.pdf
somehow i doubt that Atleast its safe to say it can go to 1.65v!
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post #22 of 58
Quote:
Originally Posted by 2JZ View Post
what voltages did you run on the cpu-nb? just curious you probably didn't have a 890fx then did you?
I had a DFI 790FX-B M2RSH(The board AMD broke the 3Dmark05 record when they announced the Phenom II 940 @ 6.5Ghz) I believe I had it at 1.32v-1.35v @ 2200 something
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post #23 of 58
Quote:
Originally Posted by 2JZ View Post
somehow i doubt that Atleast its safe to say it can go to 1.65v!
I'm surprised as well. Maybe with some really good airflow over those heat spreaders it could be safe. Proceed with caution
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post #24 of 58
Thread Starter 
Quote:
Originally Posted by damric View Post
I'm surprised as well. Maybe with some really good airflow over those heat spreaders it could be safe. Proceed with caution
hey sorry i took so long... i needed to clear my CMOS XD

and i was wondering why it wouldn't boot and well looking back at the pictures i took, i noticed i accidently changed the row cycle time really badly! No wonder why it didn't work

You can't really check ram temperatures so is there just a touch rule or something ?

Im running it at 1.65v and put the timings to 8-9-8-24 and so far it seems steady! i will do a memory test to be sure.

Thats right before i needed to clear CMOS. i will try 7-9-7-24 if i pass a mem test.




Do i need to play with these ones at all?

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post #25 of 58
When you're tuning at first, just play with the main four.

Also, most DDR3 memory can easily handle 1.9V. You see stuff rated for 1.65V and 1.5V because Intel's memory controllers are integrated (IMC = Integrated Memory Controller) and for first generation Core i3/i5/i7 chips, Intel states that more than 1.65V can be harmful to the chip. For their 32nm chips (970/980X/990X/Sandy Bridge), they lowered that limit to 1.5V.

Keep in mind, these limits are all very conservative.
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post #26 of 58
Thread Starter 
Quote:
Originally Posted by xxbassplayerxx View Post
When you're tuning at first, just play with the main four.

Also, most DDR3 memory can easily handle 1.9V. You see stuff rated for 1.65V and 1.5V because Intel's memory controllers are integrated (IMC = Integrated Memory Controller) and for first generation Core i3/i5/i7 chips, Intel states that more than 1.65V can be harmful to the chip. For their 32nm chips (970/980X/990X/Sandy Bridge), they lowered that limit to 1.5V.

Keep in mind, these limits are all very conservative.
What is there to worry about then when cranking the voltage? Can ram really heat up to unsafe temps? Im running a cool setup in a cold room with 6 fans. Case temp is never 30degrees.
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post #27 of 58
Memory temperatures are nothing to worry about at all. At most it might be warm to the touch. However, it doesn't scale that well past 1.8V with AMD chips in most cases.
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post #28 of 58
Thread Starter 
Quote:
Originally Posted by xxbassplayerxx View Post
Memory temperatures are nothing to worry about at all. At most it might be warm to the touch. However, it doesn't scale that well past 1.8V with AMD chips in most cases.
I have it at 1.695v right now and 7-9-7-24. Going to run a mem test. But first i want to hit the 3.0ghz barrier on my CPU-NB! For some reason my BIOS thinks anything above 1.695v is dangerous but i know thats not something to strictly follow. But im really happy with the settings i have now, i did not regret this ram afterall.
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post #29 of 58
Quote:
Originally Posted by xxbassplayerxx View Post
Also, most DDR3 memory can easily handle 1.9V.
Thanks. I'm going to try pushing more juice through mine now. I wish we could +rep mods here.


Quote:
Originally Posted by 2JZ View Post
I have it at 1.695v right now and 7-9-7-24. Going to run a mem test. But first i want to hit the 3.0ghz barrier on my CPU-NB! For some reason my BIOS thinks anything above 1.695v is dangerous but i know thats not something to strictly follow. But im really happy with the settings i have now, i did not regret this ram afterall.
I'm jealous. Better than mine. Best I've done so far with this kit is 1650 @8-9-8-24, but I'm yet to use more than 1.65v.

I have had some RAM that would get very hot to the touch (usually OCZ RAM
), but most of my kits never really got hot at all. I taped a sensor to the center of one of my heat spreaders and it usually stays about ~30C when testing.
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post #30 of 58
Heh... had mine up to 2.15V today. Keep in mind... you shouldn't go nearly that high. A lot of ram with die that high, but mine was frozen as was my chip.

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