UEFI BIOS woes

Well, it seems like I've hit a wall in my own troubleshooting. Let me elucidate.

About 2 months ago, I upgraded both the RAM and the cooling to my budget AMD build. The specs before upgrade were as follows

AMD Phenom II 955 BE
ASUS M4A88T-M
8 GB G Skill ripjaws X 1866mhz
Zotac GTX 550 ti

Before upgrading the cooling to a thermalright silver arrow and doing the RAM, I was able to have a 3.8Ghz stable BIOS overclock. I was able to apply every change I needed through the BIOS, and the changes would stick.

After installing the cooler and RAM however, due to cleaning the CPU, I lost my overclock. I thought, no big deal, I'll just redo it.
Alas, there is where my trouble began. First I tried to set the NB multiplier and begin toying with the voltage, along with CPU. Standard multiplier overclocking. Well, after I applied the changes, it immediately shut off as if the plug had been pulled, and came back up and told me overclocking failed, restore system defaults. So I tried again, this time letting off on some of the changes. It reset in the same matter, only this time the system hung before POST. I repeatedly tried over the course of a month or so to resolve the issue, but to no avail.

Recently I upgraded my motherboard to a Sabertooth 990FX from ASUS. My rationale being that the problem was probably motherboard based. I got the motherboard monday of this week, and lo and behold, I was plagued by the same problem. I decided to snoop around some more on this website and people had a somewhat similar problem, which was resolved by testing each stick of RAM individually (not in memtest, just testing BIOS changes) and they were able to restore their bootability by changing RAM. So I attempted this, but alas neither stick of RAM would allow me to apply changes.

I need help, guys. I loved overclocking and I was hoping that when I got my new cooler I would be able to go higher, since before I was limited by heat. but it seems that in the process, I may have damaged the CPU, or maybe just both sticks of my RAM are faulty. I need suggestions, troubleshooting tips, everything. This problem seems kinda rare, a google search reveals nothing.