MS 7246 - 975X Power Up Edition (Problems)

Question

Hi! I am from Argentina and 7 months ago I been purchase a MS 7246 board. Since that time, I never could run my memories a 800MHZ and I never could make that my motherboard detect correctly my memories speed. I been really disappointed with msi and this motherboard, and sincerely I lost confidence in the support and manufacturing process; nevertheless, I will try posting my problem in this thread hoping that somebody could help me.
Details about my hardware
-   MSI 975x power up edition (BIOS 7.6)
-   Intel core 2 6300
-   2GB RAM DDR2 800MHZ Dual channel (OCZ2P8001G) 4-5-4-15
-   Sapphire x850XT PCI-E
My mother detects my memories as 667Mhz. System do not boot If I set manually my memories at 800Mhz using this configurations:
-   CPU Clock X7
-   FSB/Speed (266*7 = 1862Mhz @ Default speed)
-   FSB & Memory ratio = 1.5 (Using “auto” here system detect memories speed @ 667Mhz)
-   Memories speed (266*1.5*2=798 Mhz)
-   Memories voltage 2.1v/2.2v
-   CPU Voltage 1.25v/1.3v
-   Other parameters are as default.
Things that I been tried 
-   I been tried setting by SPD or manually memories latencies at 4-5-4-15 but mother does not boot or simply hang.
-   I been tried unsuccessfully increasing voltage to CPU or memories.
-   I been tried unsuccessfully updating my bios but again nothing.
I been read in internet that a loot! of people have similar problems. Some people fix those problems updating bios, but other people could not found a solution. Somebody could help me?
Thank you very much!
Eduardo 

Answer 1

I had a look at your screenshots.  The first thing I noticed is that you RAM modules have really strange SPD values:
Your stick's SPD values do not seem to comply with the JEDEC standard. Maybe this is an additional explanation to your problems causing BIOS and/or memory controller to be a little confused.
The second thing I noticed is the fact that the automatic frequency/multiplier and Core voltage adjustions done by the C1E feature is now working properly:
As you can see on the pictures I took from your screenshots, VCore and multiplier are now changing.  That means, that the feature is working properly.  If you close all background applications and running programs and leave only CPU-Z running, Core Voltage should drop to a certain minimum level and stay there with the multiplier set to x6.
The fact that C1E is working now, could explain the small drop in temperatures to about 48°-50°C @CPU cores.
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Comments:
- Maybe cpu sensor is broken or bad? (I touch cpu cooler and is not so hot)
I really doubt that.
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- The northbridge 975x definitely is hot. (But i suppose that your should have same situation here)
Yes, it has a tendency to get rather hot, especially if the system is overclocked.
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- If I do not use my computer from 5 or 10 minutes temperatures decrease at 50ºc (core 0) and 48ºc (core 1), but not much more.
This is the kind of drop I expected with C1E working properly again.
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¿Do you see something strange in my temperatures
Your temperaturer are elevated and a little higher than average, but not really dangerous after all.  You should not worry yourself too much.  The shutdown temperature of your CPU is around 85°C.  So you still have some headroom. 
However, if you find the time (and the money  ) you should at least consider optimizing your cooling solution, either by re-installing the heatsink and applying new and better thermal paste and by tweaking the airflow that goes through your case, or even better by installing a more efficient heatsink to your CPU. 
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¿Do you see something strange in my temperatures and memories?
The issues you are experiencing with your memory are definately strange.  As I said before, I believe the reason is a rather simple incompatibility issue.  If this is caused by non-JEDEC SPD values or because your modules are of an older revision that use Elpida or Powerchip chips I don't know, but I am glad you were able to find a workaround.
/UPDATE
I googled around a little bit to find more information on general issures with the particular kind of OCZ modules you are using (OCZ2P8001G).  What I found was the following thread in the OCZ forum:
http://www.xtremesystems.org/forums/showthread.php?t=112411
If you find the time read a little bit around in it.  The fact that this thread exists asking for user reports on success/problem stories with this memory, if a clear indication that it is not an issue that has to do with your particular mainboard alone. In case you find 10 spare minutes to read around in it, pay attention to what is said about the revision and the chips used on the sticks.  Here are a few quotes from the thread. There are of course other voices as well, pointing to the chipset or the board in use.  But there seem to be quite a few different boards by all brands involved.  However, I dare to say that overall picture doesn't look to well for the modules: 
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Yea but if you RMA them you just get the same model back. I don't think it would solve anything  (Unless they are giving out Rev2s?)
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Well i've had nothing but problems with the 2 sets i've had. No one at OCZ informed me that i needed the rev2's to work how i want.
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I'm pretty sure that OCZ gets the same Elpida chips from Samsung that other DIMM makers get. The only things specific to OCZ would be the PCB, SPD programming and speed binning.
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That is what prompted Tony to suggest an RMA. That is how I know it is the ram having problems not the board.
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If the ram won't do specified speeds, no matter what divider used, then off course something is wrong, but getting 4 sticks that stops at the exact same speeds is close to impossible. Send either myself or Ryder an email and we will sort you out. I will make sure you get an advanced shipment sent out today if you want.
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All I really know about Rev. 1 ELP is that an OCZ rep told me it used the same Elpida chips as Gold but was higher binned. Rev. 2 uses different chips.
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I don't know but IIRC, I read someone here post that they are using Micron D9xxx. Given the higher cost of rev. 2, that seems plausible enough.
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If you are using Rev1, you are the first I've heard without problems.
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I think the problem is rather isolated to only a group of people with bad sticks.