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Thanks for the info.

After running memset and clicking on "Apply" CPUZ reflects the changed params (Although it shows different, SPD has changed from 4-4-4-15 to 5-5-5-15 @ 400 Mhz) . So I thought it writes to the memory...

If I can run 2 Gb stable at 1.9v how would more voltage benefit 4 GB? Still, I will give it a shot. Thx

Does Memset have anything to do with this? I used memset for the first 2 gigs to set the SPD to 5-5-5-15 (which of course never worked). Now when I run memset it detects only the first 2 GB of RAM...

I wanted it to be stable with 32 bit Win XP Prof as well, as I will use it (along with the 64 bit Vista I am planning to try/purchase).

Does the memory remap have any effect for 32 bit Oses at...

I am unable to use 4 GB of the OCZ Platium Rev2 RAM on this mobo. Has anyone been able to do it? Boots up fine but Windows crashes after a few mins. Orthos also is a NO GO.

The only option I see...

Do you have OCZ Plat Rev1 or Rev2? Post your model #

Try setting mem voltage to 1.9 - NOT 1.8 or 2.0 but 1.9

Yup, ditto here. Its a memory+chipset combination problem

BTW you can step down the multiplier to run 3.2 Ghz (400x8) - runs very stable for me. Easy speed increase from the 3.0 Ghz u r running,...

Now that sucks..I was planning to get two 1900XTs

RAM set to SPD?

In my case 9x400 wont work but 8x400 is stable.

Nice post! I think its also possible to use the 4th ICH7R port by disabling both the EZ Backup jumpers. Didnt try it though, but that should give equivalent performance to using a ICHR7 port (just...

yeah the FSB has to be set to Auto or it wont boot. I think a BIOS update might help resolve this problem? There may be so many users who use the OCZ Platinum R2 with this chipset. It used to work...

Here are my voltages:

MEM: 2.0
CPU: 1.3875
FSB: 1.4
MCH: 1.55
ICH: Auto

With these settings its rock stable at 400x8

Hello all! Thanks for all the info in this thread. I have a Asus P5W Deluxe Wifi and OCZ Platinum R2 RAm with 4-4-4-15 timings. I am running my E6600 at 400x8 = 3.2 Ghz which is about as stable I...