cpu-z memory question

[mnguyen84]

does the 833.3 mhz mean that i'm running at 1666.6 mhz ddr? I have the samsung low voltage ram. I'm having a hard time oc-ing them.

 

[E6700]

yes.

 

[Charlie98]

What are you having a problem with? My Sammy OC'ed lickey-split easy.

 

[cmdrdredd]

Start off using default timings and default 1.35v. Then try 1866. Should boot right up. Then try 1.5v at 2000. Should also work. And then start dialing down timings.

 

[mnguyen84]

by default timing, do you mean 11-11-11-28? sometime CR shows up as 1T other times 2T, and there's not an option on my mobo to manually control it. I have a biostar tpower x79.

i've tried 13-13-13-30 @1.5v, and i still can't push the memory multiplier any higher.

with 9-10-10-24. i need to give it 1.5v to run 1666.6 mhz.

edit: 4x4gb ram. i'm not sure if this makes a difference. vccio = 1.092v

 

[mnguyen84]

does the timing look okay? after the 11-11-11-28. i don't know what the other settings should be.

 

[Charlie98]

2x 4GB-1600 Samsung (9-9-9-24 1T, 1866 @ 1.38v)

That's from my rig signature... this was my first ever attempt to OC memory and I've not had one problem with it.

There is a pretty good thread on this RAM over at OC'ers, that's where I got my initial settings.

I would do what cmdrdredd suggested, start with stock voltage and bump the multiplier up. Adjust voltage until it's stable, then reduce latency.

Maybe pull 2 cards at first for experimental purposes; I don't see how 4x would be a problem, but you never know.

 

[cmdrdredd]

It really depends. One memory stick might just not play nice (I've had that happen), one slot might be giving weird voltage fluctuations (very hard to determine).

You could try 2 sticks and see what you can get that way.

The really good thing is the performance difference between DDR3-1600 and DDR3-2000 is small enough to not be a big worry.

To start over I'd reset the CMOS. Then adjust only the first 4 memory timings to 11-11-11-28. I am wondering if maybe by mistake the other settings got changed. Usually it says auto doesn't it?

 

[mnguyen84]

yeah. if i set set it to auto i can't select the memory multiplier. There's something called the host clock...which i think is the FSB... but there's something also called a base clock...which also seems to be the fsb. this new stuff confuses the heck out of me.