Windows 7 forum: Windows 7 64bit only boots with max 2gb ram

And try BIOS defaults too. As you are integrating a new system you appear to have forgotten that you get to check memory compatibility and all the memory settings. I'm running into folk that are just learning so that's OK. Here's the bottom line. Just because the memory plugs in, does not mean it's compatible.

-> And if you are hibernating Windows, it will crash on resume if you change RAM. Go figure why MSFT never accounted for that one.
Bob

Your other ram is only 1333 so you may have to set the BIOS just so for this to work.

As you are a builder I think you know about that.
Bob

I don't see you writing about all the settings. Such as the RAM Voltage and other options.

Also, did you test one stick at a time? The fact it can go DUAL channel can stress the system and you see failures like this if there are system issues such as just big enough power supplies and well, anything else such as the RAM Voltage being a little off.

If you don't remember, just because it plugs in does not mean it will work.
Bob

http://www.newegg.com/Product/Product.aspx?Item=N82E16820233144 noted another voltage.

"I set them to 1333 on my son's ECS board the other day and the BSOD's seam to be more infrequent, but after changing it 3 days ago, I got 1 BSOD yesterday and none today, so far. At 1600 I would get BSOD's 6 or so times per day. Same results with one stick or two."

Frankly after reading the reviews why did you get these again?
Bob

I've encountered folk that insist such and we end up changing other parts. It looks like you're going to do the same.
Bob