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Asus Maximus Motherboard memory problerm with Corsair Dominator 1 GB DDR2 x 4

Vista32 crashs very easy with this configuration if the Bios setup is selecting automatic the RAM frequency, in this case 1066 MHz. That is what the DDR2 is, 1066 MHz.

Reducing the RAM frequency increase stability. Don't even think about overclocking in ANY way, not even 1 %. Its the other way around, underclocking !

The RAM from Corsair comes in 2 x 1 GB DDR2 packs and I use 2 packs resulting in 4 GB

The bios set the timing right away wrong (even with the latest bios version). Bios auto set it to 5-5-5-18 but on the Ram it's printed 5-5-5-15. So I have to go to manual mode and set timing to 5-5-5-15 but still the system crashes quickly, so have to scale down to around 800 MHz but its absolute stable at around 600 MHz.

If I run the Microsoft Memory Diag tool it just tells me there is an error and I have to contact the manufactor.. not telling what is the problem exactly.

Its not the first system I create but in the past I always used Intel boards and never had any problems. I only used the Asus Maximus because of several good reports, should had stayed with Intel MB's I guess :) they apear highly solid if it comes to stability.

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  • XaaX Nov 12, 2008

    Hi Bob



    thanks for the tips.

    I found some more info that 4 GB ram needs to be as set under 1066MHz, that means in a 4x1 GB or 2x2 GB set in one pack. What I used is 2GB set (2 x 1 GB) and two sets of them, which is not the same asd one set of 4x1GB in a pack. They are tuned to work together as set if used for 1066 MHz. To bad I can't test it out as nobody here sells those 4GB set paks.



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Hi XaaX,

Sorry to hear about your troubles. I have built over 100 machines using ASUS MB's and I've never run into a problem like yours. I'd suggest that you check a couple of things: 1) Make sure that all your BIOS/clock settings are correct, not just the memory frequency. As I'm sure you know, you need to check the CPU settings (voltage and clock speed), FSB settings, memory settings, and voltage settings, as you could be overclocked without knowing it. Also on overclocking it is sometimes a bit of luck of the draw, as some CPU's out of the same batch will overclock 20% or more and some will not overclock at all (if you haven't read about how Intel and AMD decide what speed to market the CPU's at as they come off the line, you should; I think you'd enjoy it!). The second thing I'd do is to get memtest (you can Google where to download). Make sure you get the version that runs at the system level, not the version that runs inside Windows. It is free. If you let it run for a couple of hours, it will tell you EXACTLY what, if anything, is wrong with your memory.

In any case, you should be able to run any ASUS board at 100% of factory specs and never have a HW related crash. If you can document your saga to ASUS, I'm pretty sure that they will MRA the board for you, assuming it's still in warranty.

I hope this is helpful. If you think it appropriate, I'd very much appreciate a Fix Ya rating on this solution. Good luck!

Bob

Posted on Oct 29, 2008

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