P5N-E SLI with 996557 2x2GB Mushkin em2 pc800

Hello, I've been having an issue with this board. I understand it is pretty picky with ram and settings.

asus p5n-e sli
intel q6600 2.4ghz quad core
4gb (2x2gb) mushkin em2 ddr2-800
evga 8800gts - 640mb

With all auto settings, board detects 5-5-5-31 2T. The board will never boot into windows (Vista Ult. 64 bit) and the install itself would often crash. I had some luck changing the timings to 5-5-5-18 and bumped up the ram voltage to 1.9. This would work sometimes, but vista would often lock up a few minutes in. The system will boot/work better with just one stick, but it still crashes often. I have also tried tweaking the nb voltage as well - this may have helped some, but I still experienced crashes. Usually, the system will blue screen when booting into windows, or will just lock up and eventually blue screen while working in windows.

I tried the other 2 slots and that was no dice. I tried tweaking the voltages on all the vcore, nb, and dram. I can get it stable as long as its pretty much idle - running 3 instances hci memtest and there are no errors, but the system will lock up after a period. When trying to install programs from DVD or CD, the system will often lock up - even with just 2 gigs.

I set the DLT freq. to x3, and clocked the ram down to 667. So it appears that 4 gigs in 2x2gb dual channel mode just doesnt work with this board. :\ I have not seen anyone pull it off.

My question is... is there anyone who has got this particular ram/mobo combo to work, or what is the best option to use for a 4gb (2x2gb) setup?
4 answers Last reply
More about 996557 2x2gb mushkin pc800
  1. Hey, I just got this board along with 2x1gb of OCZ Gold and I'm having the issues also.

    I'm not locking up in games or while running XP Pro. My problems happen during POST and just before the OS loads. Either it will not POST at all or hang just before the OS loads. Sometimes I can run the system for a day without a problem. Doing restarts and turning the system on and off and it works fine but eventually the problems will occur again.

    I tried setting timings, voltage, changing slots, and even changed the RAM with some A-DATA that was actually listed in the QVL from ASUS and still no luck. The only way to fix the problem is to run with one stick of RAM for me.

    I talked to a few people about this and responses were the same. The board is very picky about RAM and a few people told me that overall all nForce chipsets are like that... I'm not sure if that is true though...

    I was recommended the ASUS P5K mb so I'm going to give that a shot. Only problem is I have to wait for them to get some in where I live.

    Sorry can't be more help...
  2. rradam,

    Disregard I was looking at wrong memory when I replied.
  3. I was just looking around the forums about a few hours ago a little more and came across someone who was having some of these problems.

    Someone recommended setting the north bridge voltage to 1.5v. So I thought I would give it a try and so far no problems POSTing.

    Might be worth a try... this is the website the person had linked http://www.ocztechnologyforum.com/forum/showthread.php?t=27196
  4. I've tried that with no luck - also, that northbridge gets realllllly hot at 1.56 without a fan.
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