A-Data 800 RAM not working despite in QVL

[footyman30]

:Q When I first built my system at the end of last year, DDR2 RAM prices went up like a rocket. So I bought the A-Data 533 RAM with my Asus P5N SLI motherboard and later upgraded to the P5N-E SLI. That RAM worked beautifully and run at 4,4,4,11,15.

Now RAM prices had gone down a lot and the A-Data 800 RAM is cheaper than the 533. The 800 is actually in the motherboard manual QVL and so I think that it is safe to buy it.

To my horror it will not even post although after a lot of fiddling it booted to Window but was not stable and later just did not post anymore. I put back the 533 and it works beautifully and even run at 1T.

I saw in the Asus support forum at the Asus website that three other users cannot use the A-Data 800 RAM with the P5N-E SLI. Why is it in the QVL?

Does anybody have suggestions for some cheaper 800 RAM that work with this motherboard? Thanks.

 

[Heidfirst]

Originally posted by: footyman30
I saw in the Asus support forum at the Asus website that three other users cannot use the A-Data 800 RAM with the P5N-E SLI. Why is it in the QVL?

memory manufactureres change the actual RAM modules in a product quite frequently depending upon supply/price.
That means that what you get 1 month may well not be th same & perform differently the next.

 

[SunnyD]

Keep in mind that most of your commodity 800MHz DDR2 is actually going to be the same thing as their 667MHz DDR2 with looser timings and a 2T command rate.