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1T vs 2T on Intel

Not a huge gain, nothing noticable in real world conditions. It might be good if you are tightening your timings though, should see a couple-few ms decrease in everest latency tests. I do believe running 1T will limit your ram to ~800mhz or less though (also depends on the quality of the ram sticks).
 
I'm not sure it the IC's on them. A-data I've seen reviews with people posting 1T but I can't get 1T at 4.4.4.12, 800 or 667; haven't tried Cas5 i'm thinking it would defeat the purpose.
 
What voltage did you feed the ram / northbridge? I know with my old kingston value ram (which had elipida chips) needed 2.1v and i had to bump the spp (northbridge) voltage up a notch to 1.4v.
 
People have posted 2.1, stock is between 1.8-2.1 SPD shows 2.0v configs and 1.8v configs - haven't changed any voltage settings except the RAM from 2.0 to 1.8 I got it at 4.4.4.11 2T 1.8 can't get 1T at either 1.8 or 2.0 - i don't want to push it either. ...still new 🙂
 
IMO 2.1v for ddr2 ram is very safe, but if you dont want to push the voltages, its fine. 1T won't give you enough of an advantage anyways. Have you tried upping the northbridge voltage as well?
 
No. Haven't even overclocked the 8400 yet runs everything fine, even UT3 at 1280x1024 on med-high settings. Actually I'm a little scared to clock the northbridge. I've done it on my old AMD system *misses my FX60* but it always ran 1T in a 2 stick config no problems. I'm not even sure of my stock voltages. I know the 8400 is 1.1500v but its running at a lower than that. The memory, yeah I know its voltages but none on my mobo.
 
If you check the motherboard voltages part of your bios, i believe if you set a voltage to "auto," that should be your default voltage for that motherboard voltage setting. Write them down on a piece of scrap paper and maybe try bumping the northbridge volts by 0.1v which isnt much, but you dont have to if you re not comfortable. I'm pretty sure you may need a little more voltage on the northbridge as i believe the memory controller is in there, and a command rate of 1T is pretty stressful compared to 2T, which is probably why high speed ram exclusively use 2T command rate.
 
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