I have the T520 i7-2720QM. I hooked it up to a Mini Dock Series 3 and used the accompanying 90W adapter. The laptop charged and functioned well, and running the turboboost monitor from intel didn't seem to reveal any difference in performance from the 135W adapter. It is possible that under intense ...

Just to follow up...no solution found. Downgraded to Vista 32 bit. Problem is gone.

So the conclusion is that I am only utilizing 3GB even through it shows me 4GB.

I guess there is no point in running Vista 64 then and I can go back to 32.

Yes - I know, the T60 cannot see 4GB of memory. With 4GB installed, only 3GB is visible regardless of operating system. T60 and T60p: the T60 and T60p are based off of the intel socket M processors. no matter how much memory you install in these thinkpads, only 3GB will be addressable regardless of...

Maybe someone can help me understand. Vista 64 bit says my T60p has 4.00 GB. Is it lying and only 3 is actually available?

I have not had random memory access errors. I also ran windows memory test and it passed 100%.

I did a search and found a thread on several with this problem using XP but nothing relating to Vista or 64. I have a T60p widescreen (8744-C9U). I recently upgraded ram to 4gb and to take advantage of it I upgraded the OS to Vista 64 bit. I have some problems with the wireless though. If I change t...