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Overclocking with 4 sticks of RAM

Z

Zinthar

Member
I'm upgrading to some Super Talent 2.2V 4-4-3-8 DDR2-800 RAM to go with my E6300 + DS3 build.

I have 32-bit Windows Vista, and know that on my computer it can max out at 3.25GB addressable, so I'm planning on upgrading to 3GB of RAM.

Is it a problem to throw 2x1 GB in one set of slots and 2x512MB in the other pair? The RAM should be identical other than the size difference.

Is there a good chance that adding 4 sticks of memory will limit my overclock on this build?
 
You can run dual-channel mode with 2 different-sized matched pairs, but you will probably have to drop to 2T command rate. At least, that was my experience with PC3200 DDR -- I guess it's possible DDR2 works differently in this regard. Other than the command rate issue, I had no problems overclocking with 4 sticks vs. a 2-stick configuration.
 
You should be fine. Although I wanted to mention that I did have problems doing this with my Intel 975BX2. I couldn't get the system stable with the 4 sticks, so I had to go down to 2GB. But, this was probably some kind of fluke thing. I really wanted that 3GB too! Oh well, better to have something fast and stable.
 
May limit the overclock ability, not sure. But I believe to run dual channel both channels have to have the same size, so you would want each channel (same colored slots) to have 1x1gb and 1x512mb
 
Alright, I'll give it a try and report back.

I'm hoping the overclock is better than with my Patriot DDR2-667 CL4, which gets the FSB to 400 Mhz stable.
 
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