Took a look at the two dump files. Nothing frightening, one older driver that you should probably update from RealTek
Rt64win7.sys dated 2/26/2009
Should take whatever steps possible to normalize your memory settings. Unless CPUz is doing an incredibly bad job at identifying your memory, it should be using the timing for 666MHz (9,9,9,24) instead it's using 539.7 MHz (8,8,8,20), so;
Enter system BIOS an if available select
Load Optimized Defaults (yours maybe worded slightly differently something like Load Performance Defaults)
Alternately double check and make sure that settings related to your DRAM are reflecting "AUTO"
Also consider experimenting with the "XMP" (Intel speak for Extreme Memory Profile) on/off, enable/disabled and...