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EVGA P55 SLI RAM problem

GregP24

[H]ard|Gawd
Joined
Jul 21, 2004
Messages
1,860
I'm having a problem with my EVGA P55 SLI and reading all 4gb (2x2gb) of RAM. I initially built my system Wednesday and after installing Windows and running the CPU Usage gadget I noticed that my system was only seeing 2gb. I did some trouble shooting, made sure I had the RAM in the right DIMM slots (1 and 3 on this board). I have tested both sticks to ensure that they are good by booting into Windows with each stick in DIMM slot #1. I decided that the problem was that DIMM slot #3 on the board was bad, so I went to my local PC store (CompuXparts) and picked up a replacement P55 SLI. This board read all 4gb of RAM just fine until this morning. I just finished playing some BFBC2 and noticed that the CPU Usage gadget is only showing 2gb. I rebooted and checked in the BIOS and sure enough - it's only seeing 2gb.
Does anyone have any experience with this issue on this board?

CPU-Z will report 4gb of RAM but it sees them in slots #1 and #2. If I look at my system properties, it reports 2gb of RAM.
 
Check to make sure you do not have too much tension on the CPU. Make sure you cooler is not "over-torqued."
 
I eased up on the tension a couple turns (I'd had the screws tightened all the way) and now it's seeing all 4gb. Thank you for the advice, I never would have thought of that.
 
Yeah, it only took me about a month to figure it out as well.
 
Interesting. I might try this with my issue also (AM3, but still memory related).
 
It appears to be a issue with the packaging. Since they no longer use pins on the CPU, they have to be mated with a contact patch. Cranking them down can cause uneven contact. I wouldn't consider this a problem in my opinion. Just make sure you don't crank down too hard.;) I'm not really sure I like this new system. It does make sense in some right. Now you don't have to worry about bending the pins on a $1000 CPU. It just doesn't seem like it is as reliable as the old pin pinch method.
 
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