Originally posted by: LOUISSSSS
will i void ocz ram if i change the timings and voltage?? i plan on doing this via nvidia's ntune program...
ocz ram has limited lifetime warranty
OCZ warranties its RAM through a certain range of voltages. If you decide to try voltages above what's warrantied and the RAM goes POP, it would be advised to use the Bart Simpson defense...
I didn't do it!
You can't prove a thing!
It was like that when I got here!
Now that we are on the subject of overclocking and timings with RAM, let me relay to you my experiences with OCZ Platinum RAM and overclocking and playing with the timings.
All RAM, be it system RAM or video RAM is extremely sensitive to heat. Much more so than CPU's, GPU's and other parts. This varies slightly depending on the model of RAM, not just the brand, but it all follows that rule in general. Many people assign their overclocking limit to the CPU not making it when the extra voltages fed to the CPU created heat that transfered through the mommaboard to the RAM and it was actually the RAM that was freaking out. Also, if you are overclocking your video card, it will transfer some heat back to the motherboard as well, making the problem worse. Many people assign the artifact they are getting when they overclock their video card to the GPU timings when it was actually the heat making the RAM on the video card start to freak out,
This is why comprehesive cooling is so important. People ask me...
So, Luckyboy, to get those amazing clock speeds, what is important?
My answer is...
Everything!
I wish there was an easier answer, but experience and everything I've read and seen has born this out. Here are some easy, cheap suggestions to help you clock and time that RAM...
1) Buy a 120 mm fan and a 5 ohm ceramic resister and use the resistor on the positive lead to slow the speed of the fan so it doesn't sound like an airport inside your PC. Now here's the tricky part. You want to hang it somehow so it blows on your RAM cards. Doing this will allow you to run at like a whole set of timings lower at a given clock speed than you would without it.
2) Go buy one of those PCI slot fans and take off the metal part that holds it in the PCI slot. Then apply some silicon glue to the back of it and slap it on the motherboard mounting plate so it will blow air behind the motherboard. Use some tape or whatever to keep the air from blowing over the front of the motherboard. Yes, you've probably seen where some guy cut the case and backing plate for the motherboard and then hung a big fan there. My trick is cheaper, quieter, easier, less messy and just as effective. This will help in both RAM and CPU and to a slight extent, even the video card.
3) A robust power supply, compared to your power needs simply CANNOT be overstated here. Even the slightest variance in power given will cause you to be limited as far as how far you can overclock or tighten up the RAM timings. Sell your doorstop on eBay and get something costing more than $100.00 U.S.
4) Get these...
http://www.ocztechnology.com/products/cooling_products/ocz_copper_bga_ramsink
and nothing else as they are far superior to anything else offered. Take some nail polish remover and get rid of that lousy sticky garbage on the back of the parts. Use a mix of 75% regular Artic Silver and 25% Artic Silver Thermal Epoxy. Use anything more than 25% epoxy and you risk marrying that part to the board permanently.
5) Put a heatsink on the Northbridge if applicable and other heating parts.
6) Water cooling and not those lousy kits! Why not the kits? Two reasons...
a) Some water blocks are fully twice as efficient at transferring heat as others and you don't get to choose the water block in most kits.
b) Heat gain over time at full load. The radiators supplied in most kits are designed to fit into the case, where you don't want them in the first place due to the fact that some of their heat will end up back in the case and the risk of leaks should be kept outside the case as much as possible. Even if you use two of those tiny radiators it will still gain heat over time and that's simply not even close to ideal.
Hey, wait a minute Luckyboy, he asked about RAM timings, so how can you go on about water cooling CPU and GPU in rersponse?
Again, because some of that heat will transfer through the motherboard to the RAM and limit your capabilities.
My advice is to get your waterblocks from Danger Den and get the type of block that will accept a Peltier even if you have no plands to ever Peltier the deal.
Then get this for a radiator and hang four, 120 mm fans off of it and again, a ceramic resistor so it will be quiet...
http://www.jcwhitney.com/autoparts/Prod...-2009360/N-111+600004139+10209/c-10109
Mine is made by Hayden and you can get them at your local auto parts house and get the block type, not the cheaper ones.
7) Speaking of voltages, here's a part that may help a little, slightly or not at all depending. the answer to whether or not it would help you can be best guessed at by Joe at
www.magnum-pc.com
http://www.ocztechnology.com/products/p...ment/ocz_ddr_booster_diagnostic_device
Ok, I'd strongly reccomend steps one through four and the rest are up to you. The only reason why you will apply any increase in voltages to your RAM is that it will be needed to overclock beyond a point. the problem is doing so without managing heat in a comprehensive way yields little or nothing in most cases due to how sensitive RAM is to heat.
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