Originally Posted by tim_1045

Hi,
Thanks for the reply, I think I said in an above post that I had been having trouble with the RAM however had fixed this issue after some fiddling particually with timings and voltages. I have also completed a stress test and had 7.2GB in use so I don't think the RAM is the issue any more .
Unfortunately I dont know which driver is causing this problem, however I have not suffered a Blue Screen since Sunday so HOPEFULLY the problem has fixed its self *Probably Wishful Thinking*
Thanks,

That sounds like the RAM is OK, and maybe the RAM fiddling did help. Has the system been powered on since Sunday or was it turned on and off. I have another comment now that the system has not Blue Screened for a couple days. Last summer it got really hot where I live and I started having lockups and BSODs, especially when I played games. I did a little surgery on my case and upgraded to two 120cm fans, one exhausting air and one pushing air into the case. I also added one 140cm fan pushing air into the case onto the GPU and RAM. That helped a lot to reduce lockups. I determined that more fans would help by removing the side of the case and aiming a small pedestal fan into the case for a week. Perhaps some of your troubles are heat related. Has it been any cooler the last couple days in the room where the computer is located?



I once had a problem with insufficient contact between the CPU and its heat sink, a little more artic silver eliminated that.

eVGA nForce 680i LT SLI
intel core2 E6850 3.0ghz
eVGA 8800 GT 512 KO
4 X 1GB G.Skill PC2-6400
VISTA64 ultimate
160gig maxtor sata

I have no problem using 8GB of RAM at all however Microsoft's SysInfo utility displays it a little oddly, I incidentally dont have on board graphics.

As you can see from the above image there is a minor discrepancy between the Installed and Total Physical Memory's However it uses it all now so there is no problem. (ie I fixed the timings and voltages).

This is not my problem though My problem is the "DRIVER_IRQL_NOT_LESS_OR_EQUAL" Blue screen
Thanks,
From Tim

Hi All,
Thanks for your suggestions, Microsoft has provided the answer
According to the Vista problem solver it was my Kaspersky Anti-Virus solution that was provided free with the motherboard.
Today I purchased the latest edition which has been labled Vista Compatable. And since I have recieved no further bluescreens, but rest assured I will be back if the issue arrises again.
Once again thank you all very much.