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Issues Running 2x512MB + 2x1GB?

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Overkill0001

Junior Member
Hi I am running 2x512MB DDR2 800 on the Asus M2N-E motherboard. I am planning on adding 2x1GB for 3GB total. Will there be any issues running 2x512MB + 2x1GB in dual channel? Is there any reason to worry about loss of performance from running such an odd configuration of RAM?

PS, I understand that filling up all four slots will foce 2T command rate, but I have researched it and run some tests to find that with AM2, the difference in loading times and in game performance is zip. Only thing that showed a difference was Sandra, a synthetic benchmark, and in that the difference was only 2.5% (nothing to worry about).
 
well the manual doesn't say running something like this would not work, but that doesn't always automatically mean it will. right?

 
there is no point in running 3GB.... If you you already have 2GB... This is of course for gaming and general usage stuff.
Just take the 2x512MB's out...
 
3GB doesn't really show too many advantages (their are advantages, just not big ones), and you could just sell your old memory on FS/T.
 
I have the same RAM config, it worked fine on the abit board I just had but did knock it down to a 2T command rate.
Try it and see as long as they are the same speed
Can't hurt, try it out. If it doesn't work, you still have 2GB
 
If it works fine, I don't get why people are against it, that's all. People are saying take out the 2x512MB and only use 2x1GB.

What's wrong with 3GB? won't in a matter of months (especially with Vista) you all will be telling me "oh you need at least 3GB..."
 
It will be fine. Probably not optimal if you're pushing your RAM to its limits overclocking, but certainly workable. Though I agree with others that there's probably not much point in having 3GB over 2GB. You're never going to use a whole 2GB or RAM, even gaming, for quite a while yet. Unless you're using some particular application that's just chews up RAM (like running a bunch of virtual machines, maybe), I would just keep it simple and stick with 2x1G.
 
Is the ram the same speed and cas latency?

As long at the 512s are on one channel and the 1gbs are on one channel there should be no problem.

3GB has it's advantages. I have 2.5GB and sometimes think about getting another 512.
 
Yeah if I get it, it will be exactly the same in every aspect except 1GB sticks instead of 512s.

Also, I forgot something important. I do not plan on overclocking it at all. My motherboard isn't good for overclocking anyway.

I could go for 2 more 512MB for 2GB total, but I thought I might as well go with 2x1GB to make it more futureproof.
 
Originally posted by: cleverhandle
It will be fine. Probably not optimal if you're pushing your RAM to its limits overclocking, but certainly workable. Though I agree with others that there's probably not much point in having 3GB over 2GB. You're never going to use a whole 2GB or RAM, even gaming, for quite a while yet. Unless you're using some particular application that's just chews up RAM (like running a bunch of virtual machines, maybe), I would just keep it simple and stick with 2x1G.
Click to expand...

Yeah. VM's suck the RAM. 4GB is my minimum on boxes that run VM sessions.
 
Do you think 4x512MB would be a better choice? It would save me a lot of hard earned money so if you say it won't make a difference I might do that....
 
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