F2-8500CL5D OC problems@1066MHz

[Kr36303]

Default DDR2 Memory - Intel e8400 P35 GSK F2-8000CL5D-4GB
I have recently been trying to OC my (previously stock) PC. I was disappointed that I could not get the memory to run faster that 866 MHz before I started seeing memory errors on memtest86 4.0 That corresponded to the e8400 running at 3250 MHz (361x9). When I purchased this ram I thought it was listed as capable of 1066MHz operation. I have increased the CPU to 1.125v and the memory to 2.0v. Vtt of FSB increased to 1.175v, NB to 1.35, SB to 1.7v, SBcore 1.35v. I have seen articles with the e8400 on this MB easily running much faster than 3250 MHz. No problem with CPU temps 45 C.

I have MSI-P35 Neo2 motherboard which should be capable of higher OC as well.
I saw your response with this memory on AMD Phenom II but understand that Intel can be significantly different.

Thanks (in advance)
kr3630 w/

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Intel Core Duo e8400 Wolfdale
MSI P35 NEO2-FR MB
Memory 2GBx2 GKS F2-8000CL5D-4GBPQ R
Arctic Cooling Freezer 7 w/ AC MX-2
Corsair CMPSU-750TX 750W PS
VGA MSI N9600GT-T2D512 512MB
Rosewell R5605-BK case