BSOD

Something is causing the crashes and it is hardware related. Those older drivers are not contributing to the stability of your system.

We won't really know until you get rid of the obsolete drivers. Only then will we be able to see what your system is doing. Troubleshooting, many times, is a process of elimination. Thus you try to eliminate everything that you know can cause a crash. We know that obsolete divers can cause crashes. Is that what is happening with your system? We won't know until those drivers are gone. You have done the basic hardware stuff and all seems to be OK.

Well, after reading the thread and looking at almost all of the recent dumps, it does seem that either there is a driver on the system corrupting the PFN database over and over (not likely at all, but possible) or there is a hardware issue. Almost all of these can be tracked back to corrupt PFNs, and since (non-prototype) PFNs describe memory pages (RAM) in use on the system, accessing a PFN and then crashing almost 100% indicates the data that the PFN pointed to is corrupt - aka, bad data phsically stored in RAM or a misallocation due to some other memory corruption. Testing and re-testing means that the sticks are fine under the load the tester put them under, but the fact that you can reinstall Windows 7 over and over and still repro this would indicate you've exhausted all of the software options - XP was nowhere near as hard on physical memory (remember, Win7 is trying to cache as much as it can - that goes into RAM!). The RAM might itself be OK, of course, but it could be a motherboard controller issue, it could be a PSU issue, or it really could just be something electrically wrong in one or more of the RAM chips on the board that happen to periodically go to lunch. It's hard to say exactly what the cause is without ECC RAM and a WHEA bugcheck, but it's fairly easy to say there's a hardware issue.

Thank you, cluberti; I am out of ideas as to what to try. I appreciate the insight and explanation.

At this point, if it was my system, I'd be installing Win7 only and seeing if I could repro the bugchecks. If not, I'd start slowly adding components back to the OS to see if anything causes instability.

I think that is excellent advice. I don't know of anything else to try.

Have you reinstalled Windows and then installed nothing more than your favorite browser and email program and run your system like that for a couple of days? If so, did you get crashes then? If you crashed in that scenario, it is a good indicator of a hardware problem.