So, looking for other things to play with and tinker on that I may have overlooked. He is what I have so far.
Mobo - Rampage IV Extreme
CPU - 4930K @ 4.6Ghz 1.37v
RAM - Dominator Platinum 2133 9-11-11-31 @ 2400 9-11-11-31 (still playing with timings)
GPUs - 3-way 780's +50 GPU +200 vRAM / +100 and +300 for benchmarks.
I tried doing the new monitor OC feature nVidia added some time ago, but it does not work in surround. Any other oddball stuff in the BIOS we can tweak for a little more gain? Or even stuff that can be tweaked in the OS? Just looking for stuff I never thought of to play with.
You can overclock your northbridge if you're that keen, however I've never really found it that beneficial.
Assuming you're using Windows, there's some system performance settings you can muck around with, and depending on the version (Home, Pro, Ultimate etc) there are actually a whole heap of cool little things in there. Right click computer>Properties>Advanced System Settings>Performance Settings. Have a play
Push the BCLK. I can push it to the limit (about 109.4 for my chip on ambient water) with the multi at 48-49 and not need a single bit more vcore until 107.2.
I recommend reading the OC guides because you need to adjust CPU/PCIE offset (-2/-20) and a few others.
It can get you a significant amount of extra speed both CPU and memory, if the latter is capable.
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To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) Report, not respond to Spam (6) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular (7) Sequential does not matter as much as random for OS drives (8) Requirements come before hardware for servers